May weather forecastCoolin, ID
May
Weather in May
May, the last month of the spring in Coolin, is a refreshing month, with an average temperature fluctuating between 60.8°F (16°C) and 36.5°F (2.5°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a frosty 47.8°F (8.8°C) in April to an enjoyable 60.8°F (16°C). May nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 36.5°F (2.5°C).Humidity
In May, the average relative humidity is 70%.Rainfall
In Coolin, during May, the rain falls for 15.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Coolin, during the entire year, the rain falls for 135.4 days and collects up to 23.03" (585mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Coolin aggregates 0.63" (16mm) of snow. In Coolin, during the entire year, snow falls for 81.3 days and aggregates up to 59.45" (1510mm) of snow.Daylight
In May, the average length of the day is 15h and 16min.On the first day of May, sunrise is at 5:26 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 4:49 am and sunset at 8:40 pm PDT.
Sunshine
The average sunshine in May is 9.5h.UV index
In May, the average daily maximum UV index in Coolin is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 3 in May leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Coolin, ID
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in May: 36.5°F
The month with the highest average low temperature is August (47.1°F).
The coldest months (with the lowest average low temperature) are February and December (16.7°F).
Average pressure in May
Coolin, ID
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Coolin, ID
- Average wind speed in May: 4.2mph
The windiest months (with the highest average wind speed) are April and May (4.2mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in May
Coolin, ID
- Average humidity in May: 70%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Coolin, ID
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is December (2.83").
The driest month (with the least rainfall) is August (0.59").
Average rainfall days in May
Coolin, ID
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is April (17.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Coolin, ID
- Average snowfall in May: 0.63"
The month with the highest snowfall is January (14.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Coolin, ID
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Coolin, ID
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Coolin, ID
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is April (9 days).
Average UV index in May
Coolin, ID
- Average UV index in May: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Coolin, ID
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Coolin, ID
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





