August weather forecastMissoula, MT
August
Weather in August
August maintains the warm and dry conditions that characterized July, making it another peak summer month in Missoula. The month displays a reduction in humidity relative to the more humid September, while boasting lower cloud cover and more sunshine hours and days. The absence of snowfall and low levels of rainfall solidify the summer atmosphere. The refreshing conditions of the month beckon outdoor enthusiasts to take advantage of the pleasant weather. Despite a minor decrease, temperatures remain high between 46.9°F (8.3°C) and 79.7°F (26.5°C), reinforcing the summer experience.Temperature
The shift into August in Missoula reveals an average high-temperature of a still warm 79.7°F (26.5°C), closely mirroring July's climate. Missoula documents a substantial deviation from daytime highs with a consistent low-temperature of 46.9°F (8.3°C) during August nights.Humidity
The average relative humidity in August is 51%.Rainfall
In August, in Missoula, the rain falls for 3.3 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. In Missoula, during the entire year, the rain falls for 67.5 days and collects up to 3.27" (83mm) of precipitation.Snowfall
In Missoula, snow does not fall in June through August.Daylight
In Missoula, the average length of the day in August is 14h and 9min.On the first day of August, sunrise is at 6:16 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:16 pm MDT.
Sunshine
In Missoula, the average sunshine in August is 11.6h.UV index
In Missoula, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in August suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Missoula, MT
- Average high temperature in August: 79.7°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 August: 46.9°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 August
Missoula, MT
- Average pressure in August: 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 August
Missoula, MT
- Average wind speed in August: 4mph
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 August
Missoula, MT
- Average humidity in August: 51%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).
Average rainfall in August
Missoula, MT
- Average rainfall in August: 0.24"
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 August
Missoula, MT
- Average rainfall days in August: 3.3 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 August
Missoula, MT
- Average snowfall in August: 0"
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 August
Missoula, MT
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Missoula, MT
- Average daylight in August: 14h and 12min
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 August: 11h and 36min
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 August
Missoula, MT
- Average sunshine days in August: 25.6 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 August
Missoula, MT
- Average UV index in August: 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 August
Missoula, MT
- Average cloud cover in August: 15
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 August
Missoula, MT
- Average visibility in August: 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).
