The weather in May in Cook Islands
It's warm in May in Cook Islands with an average temperature of 28°C. Temperatures this month range from a low of 27°C to a high of 28°C. At night, you can expect temperatures between 21°C and 24°C.
Looking for sun? May isn’t a good month to be in Cook Islands. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Cook Islands. 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 32°C in 2022, Cook Islands reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 24°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 16°C to a highest value of 26°C.
Rainfall amount
In May, there is an average of 152 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in May for Cook Islands
Click on any day in May to get detailed info about the usual weather on that day in Cook Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Cook Islands | New York | |
|---|---|---|
| Average temperature | 28°C | 22°C |
| Max. temperature | 28°C | 28°C |
| Min. temperature | 21°C | -5°C |
| Total precipitation | 152 mm | 105 mm |
| Rainy days | 17 days | 14 days |
Start of May
The month of May starts in Cook Islands with hot temps, averaging around 28°C during the day and nights around 24°C.
Mid May
By mid-May, daytime temps stay steady at around 28°C, with nights around 23°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in Cook Islands is around 28°C, while nighttime temps are about 23°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Cook Islands for all months and discover the best travel time
The climate in Cook Islands is based on weather data from Avarua. Other spots might have different weather. You can check out all destinations in Cook Islands to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in May in Cook Islands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Cook Islands
Temperature in May in Cook Islands over the years
Precipitation charts
These charts show the average amount of precipitation in May in Cook Islands. 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 May in Cook Islands
Total precipitation in May in Cook Islands over the years
Daily UV index in May in Cook Islands
This chart shows the average daily UV index in May 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.
Weather experiences in May in Cook Islands
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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.