May weather forecastDehlin, ID
May
Weather in May
The last month of the spring, May, is a comfortable month in Dehlin, Idaho, with an average temperature fluctuating between 61.3°F (16.3°C) and 38.1°F (3.4°C).Temperature
The arrival of May brings an increase in high-temperatures, moving from a chilly 49.8°F (9.9°C) in April to a comfortable 61.3°F (16.3°C). Despite high daytime temperatures, the average temperature in Dehlin lowers to a wintry 38.1°F (3.4°C) during May nights.Humidity
The average relative humidity in May is 58%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.5 days and typically aggregates up to 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.2 snowfall days, in May, Dehlin aggregates 1.5" (38mm) of snow. In Dehlin, during the entire year, snow falls for 85.8 days and aggregates up to 40.94" (1040mm) of snow.Daylight
In May, the average length of the day is 14h and 43min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:29 pm. On the last day of May, sunrise is at 5:49 am and sunset at 9:00 pm MDT.
Sunshine
The average sunshine in May in Dehlin is 10.6h.UV index
In Dehlin, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dehlin, ID
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in May: 38.1°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in May
Dehlin, ID
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Dehlin, ID
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in May
Dehlin, ID
- Average humidity in May: 58%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Dehlin, ID
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in May
Dehlin, ID
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in May
Dehlin, ID
- Average snowfall in May: 1.5"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Dehlin, ID
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Dehlin, ID
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Dehlin, ID
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in May
Dehlin, 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 December (UV index 1).
Average cloud cover in May
Dehlin, ID
- Average cloud cover in May: 28
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Dehlin, 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).





