Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Garrison sees the arrival of August with an average high-temperature of a still moderately hot 75.2°F (24°C), indicating a subtle variation from July. In Garrison, August nights witness a remarkable decline from the day's zenith to a chilly 47.3°F (8.5°C).Humidity
July and August, with an average relative humidity of 49%, are the least humid months in Garrison.Rainfall
August is the month with the least rainfall in Garrison. Rain falls for 7.3 days and accumulates 0.67" (17mm) of precipitation.Snowfall
July and August are months without snowfall in Garrison.Daylight
In Garrison, the average length of the day in August is 14h and 7min.On the first day of August in Garrison, sunrise is at 6:13 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:11 pm MDT.
Sunshine
In Garrison, the average sunshine in August is 11.6h.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 4 in August leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are August temperatures in Garrison?
What are the least humid months in Garrison?
What is the average humidity in August in Garrison?
What is the driest month in Garrison?
How much does it rain in Garrison in August?
When it does not snow in Garrison?
Does it snow in Garrison in August?
How many hours of daylight does Garrison have in August?
When are sunrise and sunset in August in Garrison?
How many hours of sunshine does Garrison have in August?
What is the UV index intensity in August in Garrison?
Average temperature in August
Garrison, MT
- Average high temperature in August: 75.2°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°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 (12.6°F).
Average pressure in August
Garrison, MT
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Garrison, MT
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are January, April and November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Garrison, MT
- Average humidity in August: 49%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in August
Garrison, MT
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is August (0.67").
Average rainfall days in August
Garrison, MT
- Average rainfall days in August: 7.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in August
Garrison, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (12.76").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Garrison, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Garrison, MT
- Average daylight in August: 14h 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 August: 11h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in August
Garrison, MT
- Average sunshine days in August: 21.3 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is April (6.3 days).
Average UV index in August
Garrison, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Garrison, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
Garrison, 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, March and December (4mi).
Garrison, Montana, USA
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