August weather forecastTroy, MT
August
Weather in August
The last month of the summer, August, is another warm month in Troy, Montana, with an average temperature ranging between max 77.5°F (25.3°C) and min 47.3°F (8.5°C).Temperature
August, with its high-temperature average of 77.5°F (25.3°C) and a low-temperature average of 47.3°F (8.5°C), is the warmest month.Humidity
The least humid month is August, with an average relative humidity of 53%.Rainfall
The month with the least rainfall is August, when the rain falls for 5.9 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In Troy, Montana, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 16min.On the first day of August, sunrise is at 6:19 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:26 pm MDT.
Sunshine
July and August, with an average of 11.6h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index 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 average individuals.Note: A daily high UV index of 4 in August leads to these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Troy, MT
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in August: 47.3°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in August
Troy, MT
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Troy, MT
- Average wind speed in August: 4mph
The windiest months (with the highest average wind speed) are April and June (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in August
Troy, MT
- Average humidity in August: 53%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (53%).
Average rainfall in August
Troy, MT
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is December (2.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in August
Troy, MT
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in August
Troy, MT
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Troy, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Troy, 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 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Troy, MT
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in August
Troy, 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
Troy, MT
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Troy, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
