Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With the onset of August, the average high-temperature registers at a still warm 74.8°F (23.8°C), subtly different from July's 76.5°F (24.7°C). Butte registers a prominent dip from daytime highs, with an average of 46.2°F (7.9°C) during the nights of August.Humidity
The average relative humidity in August in Butte is 49%.Rainfall
In Butte, Montana, in August, it is raining for 7.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Butte, there are 102.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
July and August are months without snowfall.Daylight
In August, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:59 pm. On the last day of August, in Butte, sunrise is at 6:50 am and sunset at 8:09 pm MDT.
Sunshine
The average sunshine in August in Butte is 11.3h.UV index
In Butte, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during August leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the temperature in August in Butte?
What is the average humidity in August in Butte?
How many days does it rain in August in Butte?
When it does not snow in Butte?
Does it snow in Butte in August?
What is the average length of the day in August in Butte?
When is the sunrise / sunset in August in Butte?
How long on average sun shines in August in Butte?
What is the UV index intensity in August in Butte?
Average temperature in August
Butte, MT
- Average high temperature in August: 74.8°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in August: 46.2°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (9°F).
Average pressure in August
Butte, MT
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Butte, MT
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Butte, MT
- Average humidity in August: 49%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is July (48%).
Average rainfall in August
Butte, MT
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are January, November and December (0.67").
Average rainfall days in August
Butte, MT
- Average rainfall days in August: 7.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is November (4.1 days).
Average snowfall in August
Butte, MT
- Average snowfall in August: 0"
The month with the highest snowfall is March (8.74").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Butte, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (17.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Butte, MT
- Average daylight in August: 14h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Butte, MT
- Average sunshine days in August: 19.1 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in August
Butte, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Butte, MT
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Butte, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Butte, Montana, USA
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