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
October's onset brings a noticeable temperature drop, falling from an enjoyable 67.6°F (19.8°C) in September to a cool 51.4°F (10.8°C). Sweet Grass records an average temperature drop to a wintry 36.1°F (2.3°C) in October.Humidity
In Sweet Grass, the average relative humidity in October is 61%.Rainfall
In Sweet Grass, in October, during 6.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 70.4 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In October, it is snowing for 4 days. Throughout October, 1.69" (43mm) of snow is accumulated. Throughout the year, there are 54.3 snowfall days, and 19.49" (495mm) of snow is accumulated.Daylight
In Sweet Grass, the average length of the day in October is 10h and 46min.On the first day of October in Sweet Grass, sunrise is at 7:28 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 6:08 pm MDT.
Sunshine
The average sunshine in October is 6.7h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in October transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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 much does it rain in Sweet Grass in October?
How many days does it snow in October in Sweet Grass?
What is the average length of the day in October?
When are sunrise and sunset in October in Sweet Grass?
How many hours of sunshine does Sweet Grass have in October?
What is the month with the lowest UV index?
What is the UV index intensity in October?
Average temperature in October
Sweet Grass, MT
- Average high temperature in October: 51.4°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in October: 36.1°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in October
Sweet Grass, MT
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Sweet Grass, MT
- Average wind speed in October: 10.9mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).
Average humidity in October
Sweet Grass, MT
- Average humidity in October: 61%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).
Average rainfall in October
Sweet Grass, MT
- Average rainfall in October: 0.63"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in October
Sweet Grass, MT
- Average rainfall days in October: 6.3 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in October
Sweet Grass, MT
- Average snowfall in October: 1.69"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Sweet Grass, MT
- Average snowfall days in October: 4 days
The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Sweet Grass, MT
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in October
Sweet Grass, MT
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).
Average UV index in October
Sweet Grass, 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
Sweet Grass, MT
- Average cloud cover in October: 28
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in October
Sweet Grass, 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).
Sweet Grass, Montana, USA
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