August weather forecastBasin, MT
August
Weather in August
The last month of the summer, August, is another warm month in Basin, Montana, with an average temperature fluctuating between 48.6°F (9.2°C) and 77.5°F (25.3°C).Temperature
August's beginning signals an average high-temperature of a still warm 77.5°F (25.3°C), barely different from July's 79.7°F (26.5°C). Basin documents a substantial deviation from daytime highs with a consistent low-temperature of 48.6°F (9.2°C) during August nights.Humidity
August is the least humid month, with an average relative humidity of 46%.Rainfall
In Basin, in August, during 9.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Basin, during the entire year, the rain falls for 133.7 days and collects up to 16.38" (416mm) of precipitation.Snowfall
In Basin, snow does not fall in July and August.Daylight
In Basin, the average length of the day in August is 14h and 7min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:58 pm. On the last day of August, sunrise is at 6:49 am and sunset at 8:08 pm MDT.
Sunshine
The average sunshine in August is 11.5h.UV index
The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during August leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Basin, MT
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in August: 48.6°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in August
Basin, 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 (29.91"Hg).
Average wind speed in August
Basin, MT
- Average wind speed in August: 4.7mph
The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Basin, MT
- Average humidity in August: 46%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in August
Basin, MT
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in August
Basin, MT
- Average rainfall days in August: 9.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in August
Basin, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Basin, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Basin, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in August
Basin, MT
- Average sunshine days in August: 17 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in August
Basin, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Basin, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Basin, MT
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
