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 May, the meteorological conditions change with the average high-temperature moving from a frosty 47.8°F (8.8°C) in April to a refreshing 60.3°F (15.7°C). Missoula experiences a significant reduction from daytime highs with an average low-temperature of 34.2°F (1.2°C) in May.Humidity
The average relative humidity in May is 68%.Rainfall
In Missoula, in May, it is raining for 6.5 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 67.5 rainfall days, and 3.27" (83mm) of precipitation is accumulated.Snowfall
Months with snowfall in Missoula are January through May, September through December. May is the last month it regularly snows in Missoula. During 0.8 snowfall days, in May, Missoula aggregates 0.04" (1mm) of snow. Throughout the year, there are 44 snowfall days, and 8.07" (205mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 6:19 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 9:22 pm MDT.
Sunshine
In May, the average sunshine in Missoula, Montana, is 10.3h.UV index
In Missoula, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Missoula in May?
What is the average humidity in May in Missoula?
How much does it rain in Missoula in May?
What is the last month it snows in Missoula?
How many hours of daylight does Missoula have in May?
When are sunrise and sunset in May in Missoula?
How many hours of sunshine does Missoula have in May?
What is the UV index reading in May in Missoula?
Average temperature in May
Missoula, MT
- Average high temperature in May: 60.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in May: 34.2°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in May
Missoula, MT
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Missoula, MT
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Missoula, MT
- Average humidity in May: 68%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).
Average rainfall in May
Missoula, MT
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").
Average rainfall days in May
Missoula, MT
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in May
Missoula, MT
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Missoula, MT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Missoula, MT
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Missoula, MT
- Average sunshine days in May: 20.7 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in May
Missoula, MT
- 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 February and December (UV index 1).
Average cloud cover in May
Missoula, MT
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in May
Missoula, MT
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Missoula, Montana, USA
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