AustraliaThe weather in January in Rottnest Island
It's hot in January in Rottnest Island with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 34°C. At night, you can expect temperatures between 17°C and 20°C.
January is a good month to be in Rottnest Island for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Rottnest Island, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 44°C in 2014, Rottnest Island reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 20°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 27°C.
Rainfall amount
In January, there is an average of 23 mm of precipitation, spread over 3 days. The wind speed is around 6 Bft, mostly coming from the South.
Daily weather in January for Rottnest Island
Click on any day in January to get detailed info about the usual weather on that day in Rottnest Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Rottnest Island | New York | |
|---|---|---|
| Average temperature | 31°C | 5°C |
| Max. temperature | 34°C | 11°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 23 mm | 97 mm |
| Rainy days | 3 days | 12 days |
Start of January
The month of January starts in Rottnest Island with hot temps, averaging around 32°C during the day and nights around 19°C.
Mid January
By mid-January, daytime temps drop to around 31°C, with nights around 19°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of January
By the end of January, the average daytime temperature in Rottnest Island is around 31°C, while nighttime temps are about 20°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Rottnest Island
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Rottnest Island for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in January in Rottnest Island, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Rottnest Island
Temperature in January in Rottnest Island over the years
Precipitation charts
These charts show the average amount of precipitation in January in Rottnest Island, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Rottnest Island
Total precipitation in January in Rottnest Island over the years
Daily UV index in January in Rottnest Island
This chart shows the average daily UV index in January in Rottnest Island, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Rottnest Island
Have you been to Rottnest Island in January?
Share your weather experience in January in Rottnest Island.
Average weather in Rottnest Island by month
Click on a month below to see detailed weather info for Rottnest Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.