Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In Donnelly, stepping into May brings a temperature increase, moving up from April's frosty 46.2°F (7.9°C) to a mild 57.7°F (14.3°C). Donnelly records a consistent low-temperature average of 35.6°F (2°C) during May, indicating a significant difference from the daytime heat.Humidity
In Donnelly, the average relative humidity in May is 69%.Rainfall
In May, the rain falls for 14.4 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 98.1 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Donnelly, in May, during 2.8 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Donnelly, Idaho, during the entire year, snow falls for 93.8 days and aggregates up to 104.45" (2653mm) of snow.Daylight
The average length of the day in May is 14h and 51min.On the first day of May, sunrise is at 6:32 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 9:22 pm MDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In Donnelly, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
How many hours of daylight does Donnelly have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Donnelly, ID
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in May: 35.6°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in May
Donnelly, ID
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Donnelly, ID
- Average wind speed in May: 5.1mph
The windiest months (with the highest average wind speed) are March and April (5.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Donnelly, ID
- Average humidity in May: 69%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Donnelly, ID
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is March (3.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Donnelly, ID
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in May
Donnelly, ID
- Average snowfall in May: 1.42"
The month with the highest snowfall is January (23.07").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Donnelly, ID
- Average snowfall days in May: 2.8 days
The month with the highest number of snowfall days is March (17 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Donnelly, ID
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Donnelly, ID
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (10.1 days).
Average UV index in May
Donnelly, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Donnelly, ID
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Donnelly, ID
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Donnelly, Idaho, USA
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