August weather forecastSunburst, MT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Sunburst, Montana, with an average temperature varying between 79.9°F (26.6°C) and 58.3°F (14.6°C).Temperature
With the onset of August, Sunburst's average high-temperature clocks in at a still moderately hot 79.9°F (26.6°C), showing a minor fluctuation from the previous month. August nights report a substantial dip from daytime highs to an average of 58.3°F (14.6°C).Humidity
August is the least humid month, with an average relative humidity of 40%.Rainfall
In Sunburst, in August, it is raining for 6.9 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 84.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
In Sunburst, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 19min.On the first day of August, sunrise is at 6:02 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:11 pm MDT.
Sunshine
The average sunshine in August is 11.3h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sunburst, MT
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in August
Sunburst, MT
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Sunburst, MT
- Average wind speed in August: 8.7mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in August
Sunburst, MT
- Average humidity in August: 40%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Sunburst, MT
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in August
Sunburst, MT
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in August
Sunburst, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Sunburst, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Sunburst, 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 18min).
- Average sunshine in August: 11h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in August
Sunburst, MT
- Average sunshine days in August: 22 days
The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in August
Sunburst, 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, October, November and December (UV index 2).
Average cloud cover in August
Sunburst, MT
- Average cloud cover in August: 17
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in August
Sunburst, 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).
