Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the onset of October, Butte's weather experiences a distinct temperature drop, moving from a comfortable 64.9°F (18.3°C) in September to a frosty 48.6°F (9.2°C). During October, Butte sees a mean low-temperature of 29.1°F (-1.6°C).Humidity
The average relative humidity in October is 66%.Rainfall
In October, the rain falls for 8 days. Throughout October, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 102.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Butte, in October, during 7.5 snowfall days, 3.94" (100mm) of snow is typically accumulated. Throughout the year, there are 103.1 snowfall days, and 52.56" (1335mm) of snow is accumulated.Daylight
The average length of the day in October is 10h and 54min.On the first day of the month, sunrise is at 7:29 am and sunset at 7:09 pm. On the last day of October, sunrise is at 8:10 am and sunset at 6:17 pm MDT.
Sunshine
In Butte, the average sunshine in October is 6.8h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
How many days does it snow in October in Butte?
What is the average length of the day in October in Butte?
When is the sunrise / sunset in October?
How many hours of sunshine does Butte have in October?
What is the UV index reading in October?
Average temperature in October
Butte, MT
- Average high temperature in October: 48.6°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 October: 29.1°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 October
Butte, MT
- Average pressure in October: 30.06"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 October
Butte, MT
- Average wind speed in October: 6.2mph
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 October
Butte, MT
- Average humidity in October: 66%
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 October
Butte, MT
- Average rainfall in October: 0.87"
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 October
Butte, MT
- Average rainfall days in October: 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 October
Butte, MT
- Average snowfall in October: 3.94"
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 October
Butte, MT
- Average snowfall days in October: 7.5 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 October /
Average sunshine in October
Butte, MT
- Average daylight in October: 10h and 5min
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 October: 6h and 5min
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 October
Butte, MT
- Average sunshine days in October: 16.5 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 October
Butte, MT
- Average UV index in October: 2
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 October
Butte, MT
- Average cloud cover in October: 31
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 October
Butte, MT
- Average visibility in October: 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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