August weather forecastApgar, MT
August
Weather in August
August, the last month of the summer in Apgar, is also a moderately hot month, with an average temperature fluctuating between 76.8°F (24.9°C) and 45.5°F (7.5°C).Temperature
Apgar experiences a transition to a still moderately hot 76.8°F (24.9°C) in average high-temperatures with the arrival of August, not greatly differing from July's 77.9°F (25.5°C). Apgar demonstrates a significant disparity from daytime highs throughout the month of August, with an average nighttime temperature of 45.5°F (7.5°C).Humidity
August is the least humid month, with an average relative humidity of 55%.Rainfall
August is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
In Apgar, Montana, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 17min.On the first day of August, sunrise is at 6:11 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:18 pm MDT.
Sunshine
In Apgar, the average sunshine in August is 11.7h.UV index
In August, the average daily maximum UV index in Apgar, Montana, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Apgar, MT
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in August: 45.5°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in August
Apgar, MT
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Apgar, MT
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in August
Apgar, MT
- Average humidity in August: 55%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in August
Apgar, MT
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in August
Apgar, MT
- Average rainfall days in August: 6.3 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in August
Apgar, MT
- Average snowfall in August: 0"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Apgar, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Apgar, MT
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Apgar, MT
- Average sunshine days in August: 21.4 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in August
Apgar, 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 January, February, November and December (UV index 1).
Average cloud cover in August
Apgar, MT
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
Apgar, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





