Temperatures in January
It's hot in January in Cook Islands with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 24°C and 26°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cook Islands in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Cook Islands with hot temperatures, averaging around 30°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-January
By mid-January, the average daytime temperature stays the same at 30°C, with nights close to 25°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of January
By the end of January, the average daytime temperature in Cook Islands will be around 30°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in January
In January, there is an average of 204 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 45% per day this month. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Cook Islands. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cook Islands in January |
UK | ||
|---|---|---|---|
 Average Temperature |
30°C | 8°C | |
 High Temp |
31°C | 9°C | |
| Low Temp |
29°C | 6°C | |
 Total Precipitation |
204 mm | 58 mm | |
| Rainy Days |
14 days | 9 days | |
December
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.
Is January a good time to visit Cook Islands?
After some sun? Then January isn’t the best time to be in Cook Islands. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Cook Islands in January
With 33°C, Cook Islands hit the highest temperature in the last 10 years in January 2018. The lowest daytime temperature in this month was 25°C in 2015. The extreme night temperatures ranged from a low of 19°C to a high of 27°C.
Check out the climate of Cook Islands for all months and discover the best travel time
The climate of Cook Islands is based on weather data from Avarua. Other locations might have different weather. You can check out all destinations in Cook Islands for a full picture of the climate.
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Daily Temperature in January in Cook Islands
This chart shows the average daily temperatures, both day and night, for each day in January in Cook Islands, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Cook Islands
The chart below shows the average daily precipitation in January for Cook Islands, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 14 days of rain in Cook Islands.
Daily UV Index in January in Cook Islands
This chart shows the average daily UV index in January in Cook Islands, 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.
Temperature in January in Cook Islands Over the Years
This chart shows the average temperature in January in Cook Islands, measured in degrees Celsius, over the past years.
Total Precipitation in January in Cook Islands Over the Years
This chart shows the average precipitation in January in Cook Islands, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for Cook Islands
Click on a specific day in January for detailed info on the typical weather on that day in Cook Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Cook Islands
Have you been to Cook Islands in January?
Share your weather experience in January in Cook Islands.
Average Weather in Cook Islands by Month
Click on a month below to see detailed weather info for Cook Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Cook Islands for all months at once
