May weather forecastMapumai, Cook Islands
May
Weather in May
Seeing further decline in rainfall, May brings about the driest period thus far, with an associated drop in temperature from 26.3°C (79.3°F) to 25.3°C (77.5°F). Even though temperatures drop, May does not compromise on the coveted sunshine hours, maintaining Mapumai's reputation as a sun-drenched locale. The weather tends to be warm yet comfortable, making May an inviting time for outdoor activities. The constant sea breeze adds to the charm of the Mapumai weather in May.Temperature
May's beginning signals an average high-temperature of a still warm 26.3°C (79.3°F), barely different from April's 27.3°C (81.1°F). Mapumai experiences a subtle drop in temperature during the May nights, recording an average of 25.3°C (77.5°F).Humidity
In May, the average relative humidity is 78%.Rainfall
In May, in Mapumai, Cook Islands, the rain falls for 17 days. Throughout May, 99mm (3.9") of precipitation is accumulated. Throughout the year, in Mapumai, there are 211.1 rainfall days, and 1084mm (42.68") of precipitation is accumulated.Daylight
In Mapumai, Cook Islands, the average length of the day in May is 11h and 10min.On the first day of the month, sunrise is at 06:48 and sunset at 18:10. On the last day of May, sunrise is at 07:00 and sunset at 18:00 -10.
Sunshine
In Mapumai, Cook Islands, the average sunshine in May is 6.4h.UV index
January through March, May, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 during May leads to these advisories:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mapumai, Cook Islands
- Average high temperature in May: 26.3°C
The warmest month (with the highest average high temperature) is March (27.7°C).
The month with the lowest average high temperature is August (23.8°C).
- Average low temperature in May: 25.3°C
The month with the highest average low temperature is March (26.7°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure in May
Mapumai, Cook Islands
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is January (1010.6mbar).
Average wind speed in May
Mapumai, Cook Islands
- Average wind speed in May: 24km/h
The windiest month (with the highest average wind speed) is September (25.1km/h).
The calmest month (with the lowest average wind speed) is March (20.4km/h).
Average humidity in May
Mapumai, Cook Islands
- Average humidity in May: 78%
The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in May
Mapumai, Cook Islands
- Average rainfall in May: 99mm
The wettest months (with the highest rainfall) are January and March (155mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in May
Mapumai, Cook Islands
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is August (10.3 days).
Average daylight in May /
Average sunshine in May
Mapumai, Cook Islands
- Average daylight in May: 11h and 12min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in May: 6h and 24min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days in May
Mapumai, Cook Islands
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (5.6 days).
Average UV index in May
Mapumai, Cook Islands
- Average UV index in May: 7
The months with the highest UV index are January, February, March, May, November and December (UV index 7).
The months with the lowest UV index are April, June, July, August, September and October (UV index 6).
Average cloud cover in May
Mapumai, Cook Islands
- Average cloud cover in May: 47
The months with the most cloud cover are January, October, November and December (Cloud cover 49).
The months with the least cloud cover are March, April and September (Cloud cover 46).
Average visibility in May
Mapumai, Cook Islands
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
