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
As September transitions into October, a clear downswing in temperatures is observed, with average highs retreating from an agreeable 71.2°F (21.8°C) to a fresh 54.5°F (12.5°C). In Great Falls, in October, the average low-temperature is a cold 37.8°F (3.2°C).Humidity
In Great Falls, the average relative humidity in October is 59%.Rainfall
In Great Falls, during October, the rain falls for 5.8 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Great Falls, during the entire year, the rain falls for 68.2 days and collects up to 4.49" (114mm) of precipitation.Snowfall
Months with snowfall in Great Falls are January through May, September through December. In October, in Great Falls, it is snowing for 2.8 days. Throughout October, 0.91" (23mm) of snow is accumulated. Throughout the year, in Great Falls, there are 45.4 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
The average length of the day in October in Great Falls is 10h and 50min.On the first day of October in Great Falls, sunrise is at 7:25 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 6:08 pm MDT.
Sunshine
The average sunshine in October in Great Falls is 6.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 in October translates into this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are the temperatures in Great Falls in October?
What is the average humidity in October in Great Falls?
How much does it rain in Great Falls in October?
How many days does it snow in October in Great Falls?
How many hours of daylight does Great Falls have in October?
What time are sunrise and sunset in October in Great Falls?
How long on average sun shines in October in Great Falls?
What is the month with the lowest UV index in Great Falls?
How high is the UV index in October in Great Falls?
Average temperature in October
Great Falls, MT
- Average high temperature in October: 54.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in October: 37.8°F
The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).
Average pressure in October
Great Falls, MT
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Great Falls, MT
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).
Average humidity in October
Great Falls, MT
- Average humidity in October: 59%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in October
Great Falls, MT
- Average rainfall in October: 0.28"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in October
Great Falls, MT
- Average rainfall days in October: 5.8 days
The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in October
Great Falls, MT
- Average snowfall in October: 0.91"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Great Falls, MT
- Average snowfall days in October: 2.8 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Great Falls, MT
- Average daylight in October: 10h and 5min
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 October: 6h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in October
Great Falls, MT
- Average sunshine days in October: 21.9 days
The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).
Average UV index in October
Great Falls, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Great Falls, MT
- Average cloud cover in October: 30
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in October
Great Falls, MT
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Great Falls, Montana, USA
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