August weather forecastMelville, MT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Melville, Montana, with an average temperature fluctuating between 52.9°F (11.6°C) and 76.6°F (24.8°C).Temperature
August's commencement is accompanied by an average high-temperature of a still warm 76.6°F (24.8°C), diverging marginally from July's 78.6°F (25.9°C). Despite a stark disparity with daily highs, Melville records an average nighttime temperature of 52.9°F (11.6°C) in August.Humidity
With an average relative humidity of 47%, August is the least humid month.Rainfall
In Melville, during August, the rain falls for 12.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 129.6 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day is 14h and 5min.On the first day of August in Melville, sunrise is at 6:03 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:59 pm MDT.
Sunshine
The average sunshine in August is 11.5h.UV index
In Melville, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during August translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Melville, MT
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in August: 52.9°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in August
Melville, MT
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Melville, MT
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in August
Melville, MT
- Average humidity in August: 47%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Melville, MT
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
Melville, MT
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and December (5.3 days).
Average snowfall in August
Melville, MT
- Average snowfall in August: 0"
The month with the highest snowfall is March (7.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Melville, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Melville, MT
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 12min).
Average sunshine days in August
Melville, MT
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in August
Melville, 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, April, October, November and December (UV index 2).
Average cloud cover in August
Melville, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in August
Melville, 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).





