Temperatures in October
It's cool in October in Great Falls with an average temperature of 14°C. Temperatures this month range from a low of 9°C to a high of 19°C. At night, you can expect temperatures between -1°C and 7°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Great Falls in October. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of October
The month of October starts in Great Falls with cool temperatures, averaging around 16°C during the day and nights close to 4°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-October
By mid-October, the average daytime temperature rises to around 17°C, with nights close to 4°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of October
By the end of October, the average daytime temperature in Great Falls will be around 12°C, with nights close to 1°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in October
In October, there is an average of 53 mm of precipitation, spread over 6 days. Of the total precipitation, about 15 cm falls as snow in October. The wind speed is around 5 Bft, mostly coming from the Southwest.
The precipitation chance averages 18% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in October for Great Falls. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Great Falls in October |
London | ||
|---|---|---|---|
 Average Temperature |
14°C | 15°C | |
 High Temp |
19°C | 17°C | |
| Low Temp |
9°C | 13°C | |
 Total Precipitation |
53 mm | 115 mm | |
| Rainy Days |
6 days | 14 days | |
 Total Snowfall |
15 cm | 0 cm | |
| Snowy Days |
6 days | 0 days | |
September
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Temperature records for Great Falls in October
With 29°C, Great Falls hit the highest temperature in the last 10 years in October 2021. The lowest daytime temperature in this month was -11°C in 2020. The extreme night temperatures ranged from a low of -19°C to a high of 15°C.
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Daily Temperature in October in Great Falls
This chart shows the average daily temperatures, both day and night, for each day in October in Great Falls, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in October in Great Falls
The chart below shows the average daily precipitation in October for Great Falls, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for October, you can expect around 6 days of rain in Great Falls.
Daily Snowfall in October in Great Falls
This chart shows the average daily snowfall in October in Great Falls, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in October.
Daily UV Index in October in Great Falls
This chart shows the average daily UV index in October in Great Falls, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Great Falls Over the Years
This chart shows the average temperature in October in Great Falls, measured in degrees Celsius, over the past years.
Total Precipitation in October in Great Falls Over the Years
This chart shows the average precipitation in October in Great Falls, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in October in Great Falls per year
This chart shows the average snowfall in October in Great Falls, measured in centimetres, over the past years.
Daily climate in October for Great Falls
Click on a specific day in October for detailed info on the typical weather on that day in Great Falls. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Great Falls
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Average Weather in Great Falls by Month
Click on a month below to see detailed weather info for Great Falls. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Great Falls for all months at once
