August weather forecastHappy Haven, MT
August
Weather in August
August, the last month of the summer in Happy Haven, is also a moderately hot month, with an average temperature varying between 45.5°F (7.5°C) and 76.8°F (24.9°C).Temperature
Entering August, Happy Haven's average high-temperature reads a still moderately hot 76.8°F (24.9°C), indicating a close resemblance to the previous month's climate. In stark contrast to the day's heat, the temperature dips to an average of 45.5°F (7.5°C) during August nights.Humidity
With an average relative humidity of 55%, August is the least humid month.Rainfall
August is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in August is 14h and 16min.On the first day of the month, sunrise is at 6:13 am and sunset at 9:13 pm. On the last day of August, sunrise is at 6:54 am and sunset at 8:20 pm MDT.
Sunshine
In Happy Haven, the average sunshine in August is 11.7h.UV index
In Happy Haven, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in August interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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
Happy Haven, 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).
