Climate and monthly weather forecastZortman, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Zortman, Montana, is another subzero cold winter month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 11.8°F (-11.2°C). January and February, with an average high-temperature of 25.7°F (-3.5°C), are the coldest months. Weather in January »Weather in February
February, the last month of the winter in Zortman, is also a subzero cold month, with an average temperature fluctuating between 12°F (-11.1°C) and 25.7°F (-3.5°C). In Zortman, the months of January and February are known for the lowest temperatures, reaching an average high of 25.7°F (-3.5°C). Weather in February »Weather in March
March, the first month of the spring in Zortman, is a cold month, with an average temperature fluctuating between 38.8°F (3.8°C) and 24.4°F (-4.2°C). With the onset of March, Zortman's average high-temperature experiences a rise, moving from February's freezing cold 25.7°F (-3.5°C) to a cold 38.8°F (3.8°C). Weather in March »Weather in April
April in Zortman, Montana, is a fresh spring month, with an average temperature varying between 52.9°F (11.6°C) and 36.3°F (2.4°C). April's arrival brings a temperature shift, moving from a wintry 38.8°F (3.8°C) in March to a fresh 52.9°F (11.6°C). Weather in April »Weather in May
May, the last month of the spring in Zortman, is an enjoyable month, with an average temperature varying between 46.4°F (8°C) and 64.9°F (18.3°C). May sees a rise in the average high-temperature, climbing from a cool 52.9°F (11.6°C) in April to an enjoyable 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Zortman, Montana, with an average temperature varying between 54.7°F (12.6°C) and 74.5°F (23.6°C). Zortman's transition into June is marked by a temperature shift, moving from an enjoyable 64.9°F (18.3°C) in May to a moderately hot 74.5°F (23.6°C). Weather in June »Weather in July
July, like June, in Zortman, Montana, is a moderately hot summer month, with an average temperature fluctuating between 62.4°F (16.9°C) and 83.5°F (28.6°C). July, characterized by an average high temperature of 83.5°F (28.6°C) and a low temperature of 62.4°F (16.9°C), is generally the warmest month. Throughout July, the heat index is evaluated at 84.2°F (29°C). Weather in July »Weather in August
August, the last month of the summer in Zortman, is another warm month, with an average temperature varying between 82.2°F (27.9°C) and 62.2°F (16.8°C). As Zortman welcomes August, the average high-temperature records at a still warm 82.2°F (27.9°C), marking an insignificant deviation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Zortman, Montana, with an average temperature fluctuating between 53.4°F (11.9°C) and 70.9°F (21.6°C). The shift to September brings a decrease in the average high-temperature, falling from a warm 82.2°F (27.9°C) in August to a pleasant 70.9°F (21.6°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Zortman, Montana, with an average temperature varying between 39.4°F (4.1°C) and 54.3°F (12.4°C). October is characterized by a clear drop in the average high-temperature, falling from September's pleasant 70.9°F (21.6°C) to a cool 54.3°F (12.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Zortman, Montana, with an average temperature varying between 26.4°F (-3.1°C) and 39.6°F (4.2°C). Zortman's November weather is characterized by a distinct downswing in high-temperatures, falling from October's cool 54.3°F (12.4°C) to a cold 39.6°F (4.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Zortman, Montana, with an average temperature fluctuating between 25.9°F (-3.4°C) and 13.8°F (-10.1°C). December's arrival correlates with a reduction in the average high-temperature, down from a wintry 39.6°F (4.2°C) in November to a subzero cold 25.9°F (-3.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Zortman, MT
The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure
Zortman, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Zortman, MT
- Average wind speed in January:
9.7mph - Average wind speed in February:
8.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
11.2mph - Average wind speed in May:
10.5mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.6mph - Average wind speed in August:
9.4mph - Average wind speed in September:
9.9mph - Average wind speed in October:
10.7mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity
Zortman, MT
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall
Zortman, MT
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.67" - Average rainfall in April:
1.1" - Average rainfall in May:
1.89" - Average rainfall in June:
1.89"
- Average rainfall in July:
0.98" - Average rainfall in August:
0.94" - Average rainfall in September:
1.1" - Average rainfall in October:
0.87" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").
Average rainfall days
Zortman, MT
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
9.5 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).
Average snowfall
Zortman, MT
- Average snowfall in January:
3.54" - Average snowfall in February:
3.39" - Average snowfall in March:
2.4" - Average snowfall in April:
1.69" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Zortman, MT
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
12 days - Average snowfall days in March:
8.6 days - Average snowfall days in April:
4.3 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
2.5 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Zortman, 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:
5h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 12min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
6h and 24min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Zortman, MT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
18.5 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index
Zortman, MT
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Zortman, MT
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility
Zortman, MT
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





