Climate and monthly weather forecastProctor, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Proctor, Montana, is a freezing cold winter month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 16.2°F (-8.8°C). The transition into January reveals an average high-temperature of a still subzero cold 28.6°F (-1.9°C), mirroring a close resemblance to December. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Proctor, Montana, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 29.7°F (-1.3°C). February's onset records an average high-temperature of a still subzero cold 29.7°F (-1.3°C), a near match to January's 28.6°F (-1.9°C). Weather in February »Weather in March
March, the first month of the spring in Proctor, is a cold month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 38.3°F (3.5°C). Proctor's transition into March sees a mild rise in the average high-temperature, edging from a freezing cold 29.7°F (-1.3°C) in February to an icy 38.3°F (3.5°C). Weather in March »Weather in April
April in Proctor, Montana, is a frosty spring month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 47.8°F (8.8°C). As Proctor transitions into April, the average high-temperature is observed to rise from a cold 38.3°F (3.5°C) in March to a frosty 47.8°F (8.8°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Proctor, Montana, with an average temperature varying between 36.7°F (2.6°C) and 60.8°F (16°C). As May begins, there is an increase in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in April to a comfortable 60.8°F (16°C). Weather in May »Weather in June
June, the first month of the summer in Proctor, is a pleasant month, with an average temperature fluctuating between 42.8°F (6°C) and 68°F (20°C). The coming of June brings a minor shift in Proctor's weather, with average high-temperatures adjusting from May's refreshing 60.8°F (16°C) to an agreeable 68°F (20°C). Weather in June »Weather in July
July is a moderately hot summer month in Proctor, Montana, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 79.3°F (26.3°C). July, marked by an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 48.4°F (9.1°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Proctor, is also a moderately hot month, with an average temperature varying between 78.4°F (25.8°C) and 48.2°F (9°C). As July turns into August, the average high-temperatures rest at a still warm 78.4°F (25.8°C), showing a minor variation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Proctor, Montana, with an average temperature ranging between min 41.5°F (5.3°C) and max 67.1°F (19.5°C). September shows a mild decline in the average high-temperature, falling from August's warm 78.4°F (25.8°C) to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Proctor, Montana, with an average temperature ranging between max 50.4°F (10.2°C) and min 32.7°F (0.4°C). Proctor's weather experiences a significant temperature drop with the arrival of October, falling from a refreshing 67.1°F (19.5°C) in September to a fresh 50.4°F (10.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Proctor, Montana, with an average temperature ranging between min 24.1°F (-4.4°C) and max 36°F (2.2°C). With November's arrival, Proctor sees a decrease in average high-temperatures, moving from a cool 50.4°F (10.2°C) in October to a cold 36°F (2.2°C). Weather in November »Weather in December
December, the first month of the winter in Proctor, is still a freezing cold month, with an average temperature fluctuating between 16.2°F (-8.8°C) and 27.1°F (-2.7°C). December is the month when Proctor sees the lowest average temperatures, with a high of 27.1°F (-2.7°C) and a low of 16.2°F (-8.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Proctor, MT
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.1°F).
The month with the highest average low temperature is July (48.4°F).
The coldest months (with the lowest average low temperature) are January and December (16.2°F).
Average pressure
Proctor, MT
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Proctor, MT
- Average wind speed in January:
3.7mph - Average wind speed in February:
4mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.7mph - Average wind speed in October:
4mph - Average wind speed in November:
4mph - Average wind speed in December:
3.6mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest months (with the lowest average wind speed) are August and December (3.6mph).
Average humidity
Proctor, MT
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall
Proctor, MT
- Average rainfall in January:
1.42" - Average rainfall in February:
1.5" - Average rainfall in March:
1.65" - Average rainfall in April:
1.73" - Average rainfall in May:
1.5" - Average rainfall in June:
1.89"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.63" - Average rainfall in September:
0.98" - Average rainfall in October:
1.54" - Average rainfall in November:
1.42" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days
Proctor, MT
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
7.1 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is December (6.5 days).
Average snowfall
Proctor, MT
- Average snowfall in January:
11.14" - Average snowfall in February:
11.46" - Average snowfall in March:
9.06" - Average snowfall in April:
4.25" - Average snowfall in May:
0.83" - Average snowfall in June:
0.04"
The month with the highest snowfall is December (12.36").
The months with the least snowfall are July and August (0").
Average snowfall days
Proctor, MT
- Average snowfall days in January:
22.3 days - Average snowfall days in February:
20.9 days - Average snowfall days in March:
18.9 days - Average snowfall days in April:
9.8 days - Average snowfall days in May:
2.3 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
5 days - Average snowfall days in November:
16 days - Average snowfall days in December:
21.7 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Proctor, MT
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Proctor, MT
- Average sunshine days in January:
8.9 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
7.5 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
10.1 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index
Proctor, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Proctor, MT
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Proctor, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





