August weather forecastLibby, MT
August
Weather in August
August upholds the warm trend set by July in Libby, Montana, with a slight increase in temperature. However, the warmth begins to dip towards the end of the month, setting the stage for the approaching fall season. Rainfall augments slightly from 0.43" (11mm) but continues to record one of the lowest readings in the year. The high UV index and long daylight hours create the perfect condition for outdoor activities and picnics in the sun before the onset of cooler months.Temperature
Temperature readings reach their annual highs in August, averaging 77.5°F (25.3°C) and a minimum average of 47.3°F (8.5°C).Humidity
With an average relative humidity of 53%, August is the least humid month in Libby, Montana.Rainfall
August is the month with the least rainfall in Libby. Rain falls for 5.9 days and accumulates 0.43" (11mm) of precipitation.Snowfall
In Libby, snow does not fall in June through August.Daylight
In August, the average length of the day is 14h and 16min.On the first day of the month, sunrise is at 6:18 am and sunset at 9:18 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:25 pm MDT.
Sunshine
The months with the most sunshine in Libby are July and August, with an average of 11.6h of sunshine.UV index
In Libby, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Libby, MT
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in August: 47.3°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in August
Libby, MT
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Libby, MT
- Average wind speed in August: 4mph
The windiest months (with the highest average wind speed) are April and June (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in August
Libby, MT
- Average humidity in August: 53%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (53%).
Average rainfall in August
Libby, MT
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is December (2.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in August
Libby, MT
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in August
Libby, MT
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Libby, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Libby, MT
- Average daylight in August: 14h and 18min
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 August: 11h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Libby, MT
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in August
Libby, MT
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Libby, MT
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Libby, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
