May weather forecastEvergreen, MT
May
Weather in May
May, the last month of the spring in Evergreen, is a moderate month, with an average temperature fluctuating between 59.5°F (15.3°C) and 35.6°F (2°C).Temperature
Evergreen's transition into May is marked by a rise in the average high-temperature, advancing from a chilly 46.8°F (8.2°C) in April to a moderate 59.5°F (15.3°C). Evergreen registers a prominent dip from daytime highs, with an average of 35.6°F (2°C) during the nights of May.Humidity
In Evergreen, the average relative humidity in May is 68%.Rainfall
In Evergreen, Montana, in May, it is raining for 15.4 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 142.8 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
Months with snowfall in Evergreen are January through May, September through December. May is the last month it regularly snows in Evergreen. During 0.9 snowfall days, in May, Evergreen aggregates 0.71" (18mm) of snow. In Evergreen, during the entire year, snow falls for 104.7 days and aggregates up to 51.34" (1304mm) of snow.Daylight
In Evergreen, the average length of the day in May is 15h and 14min.On the first day of May, sunrise is at 6:16 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:29 pm MDT.
Sunshine
The average sunshine in May is 10.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Evergreen, MT
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.9°F).
- Average low temperature in May: 35.6°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in May
Evergreen, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Evergreen, MT
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Evergreen, MT
- Average humidity in May: 68%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Evergreen, MT
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in May
Evergreen, MT
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).
Average snowfall in May
Evergreen, MT
- Average snowfall in May: 0.71"
The month with the highest snowfall is January (11.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Evergreen, MT
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is December (21.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Evergreen, MT
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Evergreen, MT
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in May
Evergreen, MT
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Evergreen, MT
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in May
Evergreen, MT
- 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).
