Climate and monthly weather forecastFortine, MT
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Fortine, Montana, with temperature in the range of an average low of 14.2°F (-9.9°C) and an average high of 27.3°F (-2.6°C). In January, Fortine's weather conditions record an average high-temperature of a still subzero cold 27.3°F (-2.6°C), demonstrating little divergence from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Fortine, Montana, with an average temperature varying between 28.8°F (-1.8°C) and 13.8°F (-10.1°C). Fortine observes an average high-temperature of a still subzero cold 28.8°F (-1.8°C) in February, barely different from 27.3°F (-2.6°C) in January. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Fortine, Montana, with an average temperature fluctuating between 36.3°F (2.4°C) and 21.2°F (-6°C). Entering March, Fortine notices a subtle temperature elevation, with the average high-temperature advancing from February's subzero cold 28.8°F (-1.8°C) to a wintry 36.3°F (2.4°C). Weather in March »Weather in April
April is a frosty spring month in Fortine, Montana, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 27°F (-2.8°C). April's arrival brings a temperature shift, moving from an icy 36.3°F (2.4°C) in March to a frosty 46.4°F (8°C). Weather in April »Weather in May
May, the last month of the spring in Fortine, is a moderate month, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 59.7°F (15.4°C). As May arrives, Fortine's weather shows an increase in high-temperatures, moving from April's frosty 46.4°F (8°C) to a mild 59.7°F (15.4°C). Weather in May »Weather in June
June, the first month of the summer in Fortine, is a comfortable month, with an average temperature varying between 66.6°F (19.2°C) and 40.5°F (4.7°C). June's onset witnesses a minor shift in the average high-temperature, moving from a mild 59.7°F (15.4°C) in May to an enjoyable 66.6°F (19.2°C). Weather in June »Weather in July
July in Fortine, Montana, is a moderately hot summer month, with an average temperature ranging between min 44.4°F (6.9°C) and max 77.4°F (25.2°C). July is the warmest month of the year, registering average temperatures as high as 77.4°F (25.2°C) and as low as 44.4°F (6.9°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Fortine, Montana, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 45.1°F (7.3°C). The onset of August brings an average high-temperature of a still moderately hot 77.2°F (25.1°C), nearly matching the July temperature. Weather in August »Weather in September
September, the first month of the autumn in Fortine, is also an enjoyable month, with an average temperature varying between 38.7°F (3.7°C) and 65.8°F (18.8°C). In September, the average high-temperature goes from a warm 77.2°F (25.1°C) in August to a refreshing 65.8°F (18.8°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Fortine, Montana, with an average temperature ranging between max 49.1°F (9.5°C) and min 30.6°F (-0.8°C). The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a comfortable 65.8°F (18.8°C) to a frosty 49.1°F (9.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Fortine, Montana, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 22.1°F (-5.5°C). As October transitions into November, a clear downswing in temperatures is observed, with average highs retreating from a chilly 49.1°F (9.5°C) to an icy 34.7°F (1.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Fortine, Montana, with temperature in the range of an average high of 25.5°F (-3.6°C) and an average low of 13.1°F (-10.5°C). The coldest period tends to be December, when average temperatures fluctuate between a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C). Weather in December »Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The most humid month is January, with an average relative humidity of 95%.
Throughout the year, there are 136.3 rainfall days, and 15.35" (390mm) of precipitation is accumulated.
Months with snowfall in Fortine are January through May, September through December.
In Fortine, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.
January has the least sunshine of the year, with an average of 3.1h of sunshine.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Fortine.
The month with the most snowfall is February, when snow falls for 20.5 days and typically aggregates up to 10" (254mm) of snow.
March is the month with the most rainfall. Rain falls for 16.8 days and accumulates 1.85" (47mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
In Fortine, snow does not fall in June through August.
With an average of 16h and 6min of daylight, June has the longest days of the year.
Fortine's warmest month, July, registers temperatures that range from a high of 77.4°F (25.2°C) to a low of 44.4°F (6.9°C).
The month with the highest UV index is July, with an average maximum UV index of 6.
August is the least humid month, with an average relative humidity of 55%.
August is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.39" (10mm) of precipitation.
August has the most sunshine of the year, with an average of 11.7h of sunshine.
In Fortine, December is the month with the lowest recorded average temperatures, measuring a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C).
December has the shortest days of the year, with an average of 8h and 18min of daylight.
Average temperature
Fortine, MT
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure
Fortine, 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:
29.94"Hg - Average pressure in August:
29.93"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
Fortine, MT
- Average wind speed in January:
3.5mph - Average wind speed in February:
3.6mph - Average wind speed in March:
4.1mph - Average wind speed in April:
4.3mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
3.9mph - Average wind speed in September:
3.8mph - Average wind speed in October:
3.7mph - Average wind speed in November:
3.8mph - Average wind speed in December:
3.4mph
The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity
Fortine, MT
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Fortine, MT
- Average rainfall in January:
1.46" - Average rainfall in February:
1.42" - Average rainfall in March:
1.85" - Average rainfall in April:
1.38" - Average rainfall in May:
1.57" - Average rainfall in June:
1.46"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.39" - Average rainfall in September:
0.79" - Average rainfall in October:
1.18" - Average rainfall in November:
1.5" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days
Fortine, MT
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
7.4 days - Average rainfall days in August:
6.1 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).
Average snowfall
Fortine, MT
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Fortine, MT
- Average snowfall days in January:
21.2 days - Average snowfall days in February:
20.5 days - Average snowfall days in March:
18.2 days - Average snowfall days in April:
8.2 days - Average snowfall days in May:
1.2 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:
0.4 days - Average snowfall days in October:
3.7 days - Average snowfall days in November:
15.2 days - Average snowfall days in December:
22.1 days
The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Fortine, MT
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
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 January:
3h and 6min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 54min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 42min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Fortine, MT
- Average sunshine days in January:
9 days - Average sunshine days in February:
6.5 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
8.2 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
21 days - Average sunshine days in August:
21.6 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
9.3 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index
Fortine, 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
Fortine, MT
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Fortine, MT
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
