May weather forecastDevils Den, WY
May
Weather in May
May, the last month of the spring in Devils Den, is a chilly month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 46.9°F (8.3°C).Temperature
With the onset of May, Devils Den sees a temperature rise, with the average high-temperature moving from April's icy 34.7°F (1.5°C) to a frosty 46.9°F (8.3°C). In Devils Den, in May, the average low-temperature is a freezing cold 26.4°F (-3.1°C).Humidity
In Devils Den, the average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.15" (80mm) of precipitation.Snowfall
January through December are months with snowfall. In Devils Den, in May, snow falls for 18.3 days, with typically accumulated 15.08" (383mm) of snow. In Devils Den, during the entire year, snow falls for 186.1 days and aggregates up to 135.16" (3433mm) of snow.Daylight
In May, the average length of the day in Devils Den is 14h and 52min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:27 pm. On the last day of May, in Devils Den, sunrise is at 5:38 am and sunset at 9:00 pm MDT.
Sunshine
In May, the average sunshine in Devils Den is 9.3h.UV index
In Devils Den, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Devils Den, WY
- Average high temperature in May: 46.9°F
The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (18.9°F).
- Average low temperature in May: 26.4°F
The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is December (2.5°F).
Average pressure in May
Devils Den, WY
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Devils Den, WY
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are February and June (7.3mph).
The calmest month (with the lowest average wind speed) is May (6mph).
Average humidity in May
Devils Den, WY
- Average humidity in May: 80%
The months with the highest relative humidity are February and March (93%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in May
Devils Den, WY
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in May
Devils Den, WY
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in May
Devils Den, WY
- Average snowfall in May: 15.08"
The month with the highest snowfall is April (19.69").
The month with the least snowfall is July (0.24").
Average snowfall days in May
Devils Den, WY
- Average snowfall days in May: 18.3 days
The month with the highest number of snowfall days is March (25.6 days).
The month with the least snowfall days is July (0.4 days).
Average daylight in May /
Average sunshine in May
Devils Den, WY
- Average daylight in May: 14h and 54min
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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in May
Devils Den, WY
- Average sunshine days in May: 3.1 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (3.1 days).
Average UV index in May
Devils Den, WY
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Devils Den, WY
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in May
Devils Den, WY
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is February (3mi).





