October weather forecastColstrip, MT
October
Weather in October
As October unfolds in Colstrip, it manifests the full spirit of autumn. The mercury level lowers further than September, painting a clear picture of a plunging trend towards winter. This month becomes less wet than the preceding month with 1.14" (29mm) of rainfall and witnesses an increase in humidity. The city appears colorful with fall foliage, but people need to prepare for brisk winds. According to the data, October is the windiest month of the year.Temperature
As September transitions into October, Colstrip sees a clear drop in the average high-temperature, declining from a moderately hot 73.8°F (23.2°C) to a moderate 56.1°F (13.4°C). Colstrip reports an average low-temperature of 39.6°F (4.2°C) during the nights of October.Humidity
In October, the average relative humidity is 58%.Rainfall
In Colstrip, in October, it is raining for 10.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Colstrip, there are 113.9 rainfall days, and 14.84" (377mm) of precipitation is accumulated.Snowfall
Months with snowfall in Colstrip are January through June, September through December. In Colstrip, during October, snow falls for 3.1 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, there are 55.2 snowfall days, and 23.5" (597mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 55min.On the first day of October, sunrise is at 7:05 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:53 pm MDT.
Sunshine
In Colstrip, the average sunshine in October is 6.4h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Colstrip, MT
- Average high temperature in October: 56.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in October: 39.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in October
Colstrip, MT
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Colstrip, MT
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in October
Colstrip, MT
- Average humidity in October: 58%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).
Average rainfall in October
Colstrip, MT
- Average rainfall in October: 1.14"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in October
Colstrip, MT
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in October
Colstrip, MT
- Average snowfall in October: 1.34"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Colstrip, MT
- Average snowfall days in October: 3.1 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Colstrip, MT
- Average daylight in October: 10h and 54min
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 24min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in October
Colstrip, MT
- Average sunshine days in October: 17.3 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in October
Colstrip, MT
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in October
Colstrip, MT
- Average cloud cover in October: 30
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in October
Colstrip, 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).
