May weather forecastStone, ID
May
Weather in May
May, the last month of the spring in Stone, is an enjoyable month, with an average temperature fluctuating between 39.2°F (4°C) and 62.2°F (16.8°C).Temperature
The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a cool 51.8°F (11°C) in April to a comfortable 62.2°F (16.8°C). With a notable disparity from daily peak temperatures, the average low-temperature settles at an icy 39.2°F (4°C) throughout May.Humidity
The average relative humidity in May is 57%.Rainfall
In May, the rain falls for 15.9 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. In Stone, during the entire year, the rain falls for 118.3 days and collects up to 16.42" (417mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Stone aggregates 0.47" (12mm) of snow. Throughout the year, there are 68.7 snowfall days, and 48.82" (1240mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 35min.On the first day of May, sunrise is at 6:25 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:59 pm MDT.
Sunshine
The average sunshine in May is 10.8h.UV index
In Stone, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stone, ID
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in May: 39.2°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Stone, ID
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Stone, ID
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in May
Stone, ID
- Average humidity in May: 57%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (35%).
Average rainfall in May
Stone, ID
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in May
Stone, ID
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in May
Stone, ID
- Average snowfall in May: 0.47"
The month with the highest snowfall is January (13.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Stone, ID
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Stone, ID
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Stone, ID
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Stone, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Stone, ID
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Stone, ID
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





