Rottnest Island Weather

rottnest island weather

Rottnest Island, off the coast of Perth, boasts a delightful Mediterranean climate. Understanding the typical Rottnest Island weather patterns will help you plan the perfect trip. Here’s a breakdown of Rottnest Island temperatures, rainfall, and sunshine hours throughout the year, so you can discover the best time to visit Rottnest Island for your ideal weather experience.

 

What to Pack for Rottnest Island

Your packing list will depend on the Rottnest Island forecast during your visit. However, essentials include:

  • Sunscreen and hat: Sunshine hours on Rottnest Island are plentiful year-round, so protect your skin with high-SPF sunscreen and a wide-brimmed hat.
  • Light layers: Evenings can get cool, especially near the coast. Bring a light jacket, sweater, or cardigan for warmth.
  • Rain jacket: Be prepared for occasional showers, especially during the winter months. A lightweight, packable rain jacket is a must.
  • Swimwear and towel: Rottnest boasts pristine beaches and turquoise waters, so don’t forget your swimsuit and a quick-drying towel.
  • Comfortable walking shoes: Exploring the island is best done on foot or by bike. Pack comfortable sneakers or hiking sandals.
  • Reusable water bottle: Stay hydrated in the Rottnest Island climate. Bring a refillable water bottle to reduce waste.

Bonus Tip: Check the specific Rottnest Island weather forecast for your trip dates to tailor your packing list further.

 

Average January weather in Rottnest Island

January offers some of the warmest Rottnest Island summer weather, with the average minimum temperature in Rottnest Island is 18.0°C. January is a dry month with an average of 19mm of rain. It rains on average for a total of 3 days. The average maximum daytime temperature lies around 31.0°C. This is a great time to go to Rottnest Island with 355 hours of sunlight.

So, what to wear in January? Visitors traveling to Rottnest Island might want to wear dresses, tops, t-shirts, and skirts made of cotton. Shorts for men made of cotton are good options for staying cool on a hot day. With a water temperature of around 20.0°C, this is a great month to swim so bring your swimwear.

WeatherForecasts
Min Temperature18 °C
Max Temperature31 °C
Average Sea Temperature20 °C
Average Humidity20% to 25%
Sunshine Hours 355
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 5:03am - 6:04am
Sunset 7:26pm - 6:53pm
Chance of Rain 10%
Precipitation 19mm
Rainy Days 3

Rottnest Island weather in February

In February, the average temperature in Rottnest Island is 18.3°C. It is a dry month with an average of 14mm rain. It rains on average a total of 3 days. The maximum average daytime temperature lies around 31.6°C. This makes February the hottest month of the year.  This is a great time to go to Rottnest Island with 320 hours of sun.

 

What to wear in February? Visitors traveling to Rottnest Island might want to wear t-shirts, dress and tops made of cotton. More likely shorts for men made of cotton also good options for staying cool on a hot day. With a water temperature of around 20.0°C, this is a great month to swim so don’t forget to bring your bathing suit.

WeatherForecasts
Min Temperature 18 °C
Max Temperature 31 °C
Average Sea Temperature 20 °C
Average Humidity25% to 24%
Sunshine Hours 320
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 5:41am - 6:04am
Sunset 7:18pm - 6:52pm
Chance of Rain 10%
Precipitation 14mm
Rainy Days 3

Rottnest Island weather forecast for March

In March, the average minimum temperature in Rottnest Island is 16.7°C. March is a dry month with an average of 22mm rain. It rains for 5 days. The average daytime temperature is around 29.7°C. This is a wonderful time to go to Rottnest Island with 299 hours of sunshine.

 

What would you wear in March? Visitors traveling to Rottnest Island might want to wear dresses, tops, T-shirts and skirts made of cotton. For those hot days, shorts made from cotton for men are a good option. With a water temperature of around 21.0°C, this is a great month to swim so bring your jumpsuit.

WeatherForecasts
Min Temperature 16 °C
Max Temperature 29 °C
Average Sea Temperature 21 °C
Average HumidityHumidity: 24% to 15%
Sunshine Hours 299
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 6:05am - 6:27am
Sunset 6:51pm - 6:14pm
Chance of Rain 17%
Precipitation 22mm
Rainy Days 5

Rottnest Island weather forecast April

In April, the average minimum temperature in Rottnest Island is 13.6°C. The amount of rain in April is normal with an average of 36mm. On average is rains for 8 days. The average maximum daytime temperature is 26.0°C. This is a great time to go to Rottnest Island with 251 hours of sun.

 

What should to wear in April? Visitors to Rottnest Island may want to wear skirts, t-shirts, tops made of cotton. Shorts for men made of cotton are good options for staying cool on a hot day. This is a great time to swim so bring your swimwear with a water temperature of around 21.0°C.

WeatherForecasts
Min Temperature 13 °C
Max Temperature 26 °C
Average Sea Temperature 21 °C
Average Humidity15% to 10%
Sunshine Hours 251
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 6:27am - 6:47am
Sunset 6:12pm - 5:39pm
Chance of Rain 27%
Precipitation36mm
Rainy Days 8

Rottnest Island Weather May

In May, the average minimum temperature in Rottnest Island is 10.3°C. May’s average rainfall is 88mm. On average it rains for 15days. Expect a pleasant temperature during the day, 22.2°C is the average maximum daytime temperature. This is a wonderful time to go to Rottnest Island with 208 hours of sunshine. May is known as one of the best months to visit Rottnest Island.

 

What should you wear in May? A rain jacket is recommended for this time of year, as it may rain for a few days. It can get very hot or cold so bring shorts or a skirt. This is a great time to swim, with a water temperature around 20.0°C.

WeatherForecasts
Min Temperature10 °C
Max Temperature 22 °C
Average Sea Temperature 20 °C
Average HumidityHumidity: 10% to 5%
Sunshine Hours 208
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 6:48am - 7:07am
Sunset 5:38pm - 5:20pm
Chance of Rain 50%
Precipitation88mm
Rainy Days 15

Rottnest Island weather radar for June

 In June, the minimum average temperature in Rottnest Island is 9.0°C. Average rainfall in June is 126mm. It rains on average a total of 17 days. The average maximum daytime temperature lies around 19.5°C. June is the coldest month of the year. The sun will occasionally show itself with 178 hours of sunshine during the whole month.

 

What should you wear in June? It is recommended that visitors  going to Rottnest Island should plan on bringing a totally waterproof rain jacket since it will often be raining. Double your clothes. It will be nice and warm and sometime it can be a bit hot. This is a great month to swim with a water temperature of around 19.0°C.

WeatherForecasts
Min Temperature9 °C
Max Temperature19 °C
Average Sea Temperature19 °C
Average HumidityHumidity: 5% to 1%
Sunshine Hours178
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 7:08am - 7:17am
Sunset 5:18pm - 5:22pm
Chance of Rain57%
Precipitation126mm
Rainy Days17

July weather in Rottnest Island

 In July, The average minimum temperature in Rottnest Island is 8.0°C. The amount of rain in July is high with an average of 143mm. This makes it the rainy month of the year. It will rain for 19 days. The average maximum daytime temperature is 18.5°C. This is a great time to go to Rottnest Island with 191 hours of sunshine but be prepared for occasional showers typical of Rottnest Island’s winter weather.

 

What to wear in July? Visitors traveling to Rottnest Island should plan on bringing a totally waterproof rain jacket since it will often be raining. Plan on layering your clothes. It will be nice and warm and sometimes it can be a bit warm. With a water temperature of around 18.0°C.

WeatherForecasts
Min Temperature8 °C
Max Temperature18 °C
Average Sea Temperature18 °C
Average HumidityHumidity: 1% to 0%
Sunshine Hours191
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 7:17am - 7:06am
Sunset 5:23pm - 5:39pm
Chance of Rain63%
Precipitation143mm
Rainy Days19

Rottnest Island weather for August

In August, the average minimum temperature in Rottnest Island is 8.0°C. August rainfall averages 12mm. It rains on average a total of 19 days. The average maximum daytime temperature is around 19.0°C. This is a great time to go to Rottnest Island with 222 hours of sun.

 

What should you wear in August? Visitors traveling to Rottnest Island should plan on bringing a totally waterproof rain jacket since it will often be raining. Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. With a water temperature of around 17.0°C, there is no need to bring your swimwear.

WeatherForecasts
Min Temperature 8 °C
Max Temperature 19 °C
Average Sea Temperature 17 °C
Average HumidityHumidity: 0% to 0%
Sunshine Hours 222
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 7:05am - 6:35am
Sunset 5:40pm - 5:59pm
Chance of Rain
Precipitation 122mm
Rainy Days 19

September weather of Rottnest Island

In September, The average minimum temperature in Rottnest Island  is 9.7°C. September’s average rainfall is 83mm. It rains on average a total of 15 days. The highest average  daytime temperature is 20.5°C. This is a perfect time to go to Rottnest Island with 230 hours of sunshine. September is the best months to visit Rottnest Island.

 

What should you wear in September? It is recommended that visitors Rottnest bring a waterproof rain jacket as it can often rain. It can get very warm so bring shorts or a skirt. With a water temperature of around 17.0°C, there is no need to bring your swimwear.

 

WeatherForecasts
Min Temperature9 °C
Max Temperature20 °C
Average Sea Temperature17 °C
Average HumidityHumidity: 0% to 1%
Sunshine Hours230
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 6:33am - 5:56am
Sunset 5:59pm - 6:17pm
Chance of Rain50%
Precipitation83mm
Rainy Days15

Weather Forecast Rottnest Island October

In October, the average minimum temperature in Rottnest Island  is 11.5°C. The average rainfall of October is 38mm. It rains for 12 days. Expect a very pleasant temperatures during the day. The average maximum daytime temperature is 23.2°C. This is a perfect time to go to Rottnest Island with 298 hours of sunshine. October is the best months to visit Rottnest Island.

 

Recommended to wear in October? Bring a rain jacket just in case since it will be raining a few days during this period. Also bring your shorts or a skirt because it can be very warm or even hot.  there is no need to bring your jumpsuit because the water temperature is 17.0°C.

WeatherForecasts
Min Temperature 11 °C
Max Temperature 23 °C
Average Sea Temperature 17 °C
Average Humidity1% to 5%
Sunshine Hours 298
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 5:54am - 5:20am
Sunset 6:18pm - 6:40pm
Chance of Rain 40%
Precipitation38mm
Rainy Days 12

Rottnest Island weather of November

In November, the average minimum temperature in Rottnest Island  is 14.2°C. It is a dry month for November with an average of 23mm rainfall. It rains for 7 days. It is 26.5°C highest daytime temperature. This is a great time to go to Rottnest Island with 318 hours of sunshine.

 

What should wear in November? Visitors traveling to Rottnest Island might want to wear t-shirts, tops dresses made of cotton or linen. Shorts for men made of cotton or linen are good options for staying cool on a hot day. With a water temperature of around 18.0°C.

WeatherForecasts
Min Temperature 14 °C
Max Temperature 26 °C
Average Sea Temperature 18 °C
Average HumidityHumidity: 5% to 10%
Sunshine Hours 318
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 5:19am - 5:03am
Sunset 6:41pm - 7:06pm
Chance of Rain 23%
Precipitation23mm
Rainy Days 7

December weather of Rottnest Island

In December, the average minimum temperature in Rottnest Island  is 16.5°C. The average rainfall for December is 9mm and the driest month of the year. It rains on average a total of 5 days. The average maximum daytime temperature is 29.3°C. This is the best time to go to Rottnest Island with 354 hours of sunshine.

 

What should wear in December? Visitors traveling to Rottnest Island might want to wear dresses, tops, t-shirts and skirts made of cotton or linen. Shorts for men made of cotton or linen are good options for staying cool on a hot day. With a water temperature of around 19.0°C, this is a great month to swim so bring your bathing suit.

WeatherForecasts
Min Temperature 16 °C
Max Temperature 29 °C
Average Sea Temperature19 °C
Average HumidityHumidity: 10% to 20%
Sunshine Hours 354
Daylight Hours
Beginning of Month to End of Month Approx. Times
Daylight Trend: Days shortening - later sunrises earlier sunsets
Sunrise 5:03am - 5:13am
Sunset 7:07pm - 7:25pm
Chance of Rain 17%
Precipitation 9mm
Rainy Days5

No matter the season, Rottnest Island’s unique charm shines through.

 

Understanding the Rottnest Island climate will simply help you choose the ideal time to experience its turquoise waters, pristine beaches, and relaxed atmosphere at its best.

 

 

Weather Forecast Rottnest Island 7 Days

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