August weather forecastVan Norman, MT
August
Weather in August
The last month of the summer, August, is another warm month in Van Norman, Montana, with an average temperature ranging between min 63.9°F (17.7°C) and max 82.6°F (28.1°C).Temperature
The arrival of August brings an average high-temperature of a still moderately hot 82.6°F (28.1°C), subtly diverging from July's 83.8°F (28.8°C). The mean low-temperature during August nights is a refreshing 63.9°F (17.7°C).Heat index
Throughout August, the heat index is evaluated at 82.4°F (28°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The least humid month is August, with an average relative humidity of 40%.Rainfall
In Van Norman, in August, during 9.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Van Norman, during the entire year, the rain falls for 104.8 days and collects up to 13.03" (331mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In Van Norman, Montana, the average length of the day in August is 14h and 11min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:46 pm MDT.
Sunshine
In August, the average sunshine is 11.5h.UV index
In August, the average daily maximum UV index in Van Norman is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in August translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Van Norman, MT
- Average high temperature in August: 82.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in August
Van Norman, MT
- Average pressure in August: 29.88"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in August
Van Norman, MT
- Average wind speed in August: 10mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is February (9.9mph).
Average humidity in August
Van Norman, MT
- Average humidity in August: 40%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Van Norman, MT
- Average rainfall in August: 1.18"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in August
Van Norman, MT
- Average rainfall days in August: 9.1 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in August
Van Norman, MT
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Van Norman, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Van Norman, MT
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in August
Van Norman, MT
- Average sunshine days in August: 18.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in August
Van Norman, MT
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Van Norman, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in August
Van Norman, MT
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
