August weather forecastPolson, MT
August
Weather in August
In August, the weather in Polson, Montana, undergoes a slight temperature shift. From the soaring temperatures of July, the heat begins to mellow down. Notably, August records high temperatures similar to July, as the mercury reaches 78.6°F (25.9°C). Despite the reduction in warmth, the summer vibes remain, with low rainfall and abundant sunlight characterizing the month. As the end of summer approaches, August stands out as an amalgamation of warm days and cool nights, signaling an imminent change.Temperature
August's advent notes a subtle adjustment in average high-temperature to a still warm 78.6°F (25.9°C) from July. Throughout August nights, Polson reports a steady thermal contrast from the day, with an average low-temperature of 48.9°F (9.4°C).Humidity
With an average relative humidity of 51%, August is the least humid month in Polson.Rainfall
July and August are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
In Polson, snow does not fall in June through August.Daylight
In Polson, the average length of the day in August is 14h and 13min.On the first day of the month, sunrise is at 6:15 am and sunset at 9:10 pm. On the last day of August, in Polson, sunrise is at 6:54 am and sunset at 8:18 pm MDT.
Sunshine
In August, the average sunshine in Polson is 11.7h.UV index
In Polson, Montana, 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 radiation for the ordinary person.Note: In August, the maximum UV index of 4 suggests this advice:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Polson, MT
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in August: 48.9°F
The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure in August
Polson, MT
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Polson, MT
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Polson, MT
- Average humidity in August: 51%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in August
Polson, MT
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in August
Polson, MT
- Average rainfall days in August: 7 days
The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).
Average snowfall in August
Polson, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Polson, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Polson, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Polson, MT
- Average sunshine days in August: 19.9 days
The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).
Average UV index in August
Polson, MT
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Polson, MT
- Average cloud cover in August: 14
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in August
Polson, MT
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
