Climate and monthly weather forecastNorris, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Norris, Montana, is another subzero cold winter month, with an average temperature varying between 9.7°F (-12.4°C) and 24.6°F (-4.1°C). January's advent notes a subtle adjustment in average high-temperature to a still subzero cold 24.6°F (-4.1°C) from December. Weather in January »Weather in February
February, the last month of the winter in Norris, is another freezing cold month, with an average temperature varying between 9.7°F (-12.4°C) and 25.2°F (-3.8°C). Norris records an average high-temperature of a still freezing cold 25.2°F (-3.8°C) in February, maintaining a close correlation with January's 24.6°F (-4.1°C). Weather in February »Weather in March
March, the first month of the spring in Norris, is a wintry month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 33.1°F (0.6°C). March brings a slight rise in Norris's average high-temperature, moving from a freezing cold 25.2°F (-3.8°C) in February to a cold 33.1°F (0.6°C). Weather in March »Weather in April
April, like March, in Norris, Montana, is an icy spring month, with an average temperature ranging between max 40.3°F (4.6°C) and min 23°F (-5°C). Observing a minor shift, the average high-temperature during April adjusts from March's 33.1°F (0.6°C) to a still wintry 40.3°F (4.6°C). Weather in April »Weather in May
The last month of the spring, May, is a fresh month in Norris, Montana, with an average temperature fluctuating between 52.3°F (11.3°C) and 31.5°F (-0.3°C). As May begins, there is an increase in the average high-temperature, moving from a cold 40.3°F (4.6°C) in April to a cool 52.3°F (11.3°C). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Norris, Montana, with an average temperature varying between 38.8°F (3.8°C) and 64.2°F (17.9°C). June's onset is marked by a temperature increase, moving from a cool 52.3°F (11.3°C) in May to an enjoyable 64.2°F (17.9°C). Weather in June »Weather in July
July in Norris, Montana, is a moderately hot summer month, with an average temperature ranging between max 74.5°F (23.6°C) and min 45.1°F (7.3°C). Temperature records mark July as the warmest month, with highs averaging 74.5°F (23.6°C) and lows at 45.1°F (7.3°C). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Norris, Montana, with an average temperature varying between 46°F (7.8°C) and 73°F (22.8°C). On the advent of August, Norris's average high-temperature exhibits a minor adjustment to a pleasant 73°F (22.8°C) from July's 74.5°F (23.6°C). Weather in August »Weather in September
September, the first month of the autumn in Norris, is also an enjoyable month, with an average temperature varying between 63.5°F (17.5°C) and 39.9°F (4.4°C). The shift from August to September involves a decrease in the average high-temperature, dropping from a pleasant 73°F (22.8°C) to a comfortable 63.5°F (17.5°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Norris, Montana, with an average temperature varying between 27.5°F (-2.5°C) and 45.5°F (7.5°C). 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). Weather in October »Weather in November
The last month of the autumn, November, is also a subzero cold month in Norris, Montana, with an average temperature varying between 31.6°F (-0.2°C) and 16.9°F (-8.4°C). A decrease in the average high-temperature is observed during November, shifting from a frosty 45.5°F (7.5°C) in October to a freezing cold 31.6°F (-0.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Norris, Montana, with an average temperature fluctuating between 22.3°F (-5.4°C) and 7.7°F (-13.5°C). Norris's coldest month, December, registers temperatures that range from a high of 22.3°F (-5.4°C) to a low of 7.7°F (-13.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Norris, MT
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).
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
Norris, MT
- Average pressure in January:
30.22"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.21"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
Norris, MT
- Average wind speed in January:
7.1mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.4mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7mph
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
Norris, MT
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).
Average rainfall
Norris, MT
- Average rainfall in January:
0.79" - Average rainfall in February:
1.34" - Average rainfall in March:
1.38" - Average rainfall in April:
2.13" - Average rainfall in May:
2.36" - Average rainfall in June:
2.28"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.42" - Average rainfall in September:
1.61" - Average rainfall in October:
1.5" - Average rainfall in November:
1.22" - Average rainfall in December:
0.75"
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
Norris, MT
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
7 days - Average rainfall days in November:
2.9 days - Average rainfall days in December:
4.7 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
Norris, MT
- Average snowfall in January:
6.69" - Average snowfall in February:
11.38" - Average snowfall in March:
10.94" - Average snowfall in April:
14.76" - Average snowfall in May:
9.21" - Average snowfall in June:
4.02"
The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").
Average snowfall days
Norris, MT
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
17.8 days - Average snowfall days in March:
18.6 days - Average snowfall days in April:
19.9 days - Average snowfall days in May:
12.8 days - Average snowfall days in June:
4.5 days
- Average snowfall days in July:
0.4 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
3.9 days - Average snowfall days in October:
12.4 days - Average snowfall days in November:
14.5 days - Average snowfall days in December:
15.5 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 / Average sunshine
Norris, MT
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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 January:
4h and 42min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 24min - Average sunshine in September:
9h and 42min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 54min
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
Norris, MT
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
6.9 days - Average sunshine days in May:
7.1 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
16 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
Norris, MT
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
Norris, MT
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
Norris, MT
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).





