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
August brings an average high-temperature of a still warm 78.3°F (25.7°C), nearly identical to the preceding month. Garneill, during the nights of August, registers a substantial plunge from the daytime high, averaging at a cool 54.3°F (12.4°C).Humidity
The least humid month in Garneill is August, with an average relative humidity of 45%.Rainfall
In Garneill, in August, it is raining for 9.3 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
In Garneill, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 6:00 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:59 pm MDT.
Sunshine
In August, the average sunshine in Garneill is 11.7h.UV index
The average daily maximum UV index in August in Garneill is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Garneill in August?
What is the least humid month in Garneill?
What is the average humidity in August in Garneill?
How much does it rain in Garneill in August?
When it does not snow in Garneill?
Does it snow in Garneill in August?
How many hours of daylight does Garneill have in August?
When are sunrise and sunset in August in Garneill?
How long on average sun shines in August in Garneill?
What is the UV index intensity in August in Garneill?
Average temperature in August
Garneill, MT
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in August: 54.3°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in August
Garneill, MT
- Average pressure in August: 29.92"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Garneill, MT
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Garneill, MT
- Average humidity in August: 45%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in August
Garneill, MT
- Average rainfall in August: 0.83"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in August
Garneill, MT
- Average rainfall days in August: 9.3 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in August
Garneill, MT
- Average snowfall in August: 0"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Garneill, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Garneill, 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 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in August
Garneill, MT
- Average sunshine days in August: 17.3 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in August
Garneill, MT
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Garneill, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Garneill, MT
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Garneill, Montana, USA
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