Climate and monthly weather forecastFrenchtown, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Frenchtown, Montana, is a freezing cold winter month, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 30°F (-1.1°C). Frenchtown marks the arrival of January with an average high-temperature of a still freezing cold 30°F (-1.1°C), hardly different from December's 28°F (-2.2°C). Weather in January »Weather in February
February, the last month of the winter in Frenchtown, is another freezing cold month, with an average temperature ranging between max 30.7°F (-0.7°C) and min 16.2°F (-8.8°C). In the transition from January to February, Frenchtown reports an average high-temperature of a still subzero cold 30.7°F (-0.7°C), indicating a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Frenchtown, is a wintry month, with an average temperature varying between 39.6°F (4.2°C) and 23.2°F (-4.9°C). As March begins, there's a slight increase in the average high-temperature, moving from a subzero cold 30.7°F (-0.7°C) in February to a cold 39.6°F (4.2°C). Weather in March »Weather in April
April is a frosty spring month in Frenchtown, Montana, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 47.7°F (8.7°C). April's onset brings a subtle temperature rise, moving from a wintry 39.6°F (4.2°C) in March to a chilly 47.7°F (8.7°C). Weather in April »Weather in May
May, the last month of the spring in Frenchtown, is a mild month, with an average temperature varying between 60.3°F (15.7°C) and 34.2°F (1.2°C). The start of May signals an increase in the average high-temperature, moving from a chilly 47.7°F (8.7°C) in April to a refreshing 60.3°F (15.7°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Frenchtown, Montana, with an average temperature ranging between max 68.4°F (20.2°C) and min 40.3°F (4.6°C). As Frenchtown welcomes June, the average high-temperature sees a modest rise, transitioning from a mild 60.3°F (15.7°C) in May to an agreeable 68.4°F (20.2°C). Weather in June »Weather in July
July in Frenchtown, Montana, is a warm summer month, with an average temperature ranging between min 45.9°F (7.7°C) and max 80.2°F (26.8°C). With its high average temperature of 80.2°F (26.8°C) and a low of 45.9°F (7.7°C), July is regarded as the warmest month. Weather in July »Weather in August
August, the last month of the summer in Frenchtown, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 46.4°F (8°C). The beginning of August reveals an average high-temperature of a still moderately hot 79.3°F (26.3°C), showing minimal deviation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Frenchtown, is also an agreeable month, with an average temperature varying between 40.6°F (4.8°C) and 68.7°F (20.4°C). During the transition into September, Frenchtown observes a decrease in the average high-temperature, falling from a moderately hot 79.3°F (26.3°C) in August to a pleasant 68.7°F (20.4°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Frenchtown, Montana, with an average temperature ranging between max 51.3°F (10.7°C) and min 31.1°F (-0.5°C). In October, the average high-temperature decreases considerably from an agreeable 68.7°F (20.4°C) in September to a cool 51.3°F (10.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Frenchtown, Montana, with an average temperature fluctuating between 37.8°F (3.2°C) and 22.8°F (-5.1°C). The arrival of November corresponds with a shift in temperature, down from a cool 51.3°F (10.7°C) in October to an icy 37.8°F (3.2°C). Weather in November »Weather in December
December, the first month of the winter in Frenchtown, is still a freezing cold month, with an average temperature varying between 15.3°F (-9.3°C) and 28°F (-2.2°C). Frenchtown experiences its lowest temperatures in December, with an average peak of 28°F (-2.2°C) and a low of 15.3°F (-9.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Frenchtown, MT
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure
Frenchtown, MT
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Frenchtown, MT
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.6mph - Average wind speed in April:
4.9mph - Average wind speed in May:
4.5mph - Average wind speed in June:
4.6mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.4mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Frenchtown, MT
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall
Frenchtown, MT
- Average rainfall in January:
1.65" - Average rainfall in February:
2.09" - Average rainfall in March:
1.97" - Average rainfall in April:
2.44" - Average rainfall in May:
2.05" - Average rainfall in June:
2.28"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.87" - Average rainfall in September:
1.14" - Average rainfall in October:
1.65" - Average rainfall in November:
1.65" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days
Frenchtown, MT
- Average rainfall days in January:
11.7 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
18.4 days - Average rainfall days in April:
20 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
8.4 days - Average rainfall days in August:
8.4 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is April (20 days).
The months with the least rainy days are July and August (8.4 days).
Average snowfall
Frenchtown, MT
- Average snowfall in January:
10.16" - Average snowfall in February:
12.91" - Average snowfall in March:
7.52" - Average snowfall in April:
5.35" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (12.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Frenchtown, MT
- Average snowfall days in January:
18.2 days - Average snowfall days in February:
19.1 days - Average snowfall days in March:
15.4 days - Average snowfall days in April:
9.5 days - Average snowfall days in May:
1.8 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:
3.5 days - Average snowfall days in November:
12.4 days - Average snowfall days in December:
18.7 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Frenchtown, MT
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 18min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 54min - 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 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Frenchtown, MT
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
6.6 days - Average sunshine days in April:
7 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
20.3 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
13.4 days - Average sunshine days in November:
10.1 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is March (6.6 days).
Average UV index
Frenchtown, 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
Frenchtown, MT
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility
Frenchtown, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





