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 clear reduction in the average high-temperature, falling from an enjoyable 63.5°F (17.5°C) in September to a frosty 45.5°F (7.5°C). Norris's nighttime temperature in October falls to an average of 27.5°F (-2.5°C).Humidity
In Norris, the average relative humidity in October is 70%.Rainfall
In Norris, during October, the rain falls for 7 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 105.7 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In October, it is snowing for 12.4 days. Throughout October, 8.9" (226mm) of snow is accumulated. Throughout the year, in Norris, Montana, there are 136.1 snowfall days, and 86.93" (2208mm) 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 7:26 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 6:14 pm MDT.
Sunshine
The average sunshine in October is 6.6h.UV index
In Norris, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in October leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Norris in October?
What is the average humidity in October in Norris?
How much does it rain in October?
How much does it snow in Norris in October?
How many hours of daylight does Norris have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Norris, MT
- Average high temperature in October: 45.5°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in October: 27.5°F
The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in October
Norris, MT
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Norris, MT
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Norris, MT
- Average humidity in October: 70%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).
Average rainfall in October
Norris, MT
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in October
Norris, MT
- Average rainfall days in October: 7 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in October
Norris, MT
- Average snowfall in October: 8.9"
The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").
Average snowfall days in October
Norris, MT
- Average snowfall days in October: 12.4 days
The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in October /
Average sunshine in October
Norris, MT
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in October
Norris, MT
- Average sunshine days in October: 15 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).
Average UV index in October
Norris, MT
- Average UV index in October: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in October
Norris, MT
- Average cloud cover in October: 33
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in October
Norris, MT
- Average visibility in October: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Norris, Montana, USA
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