Climate and monthly weather forecastFairfax, VT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Fairfax, Vermont, with an average temperature varying between 12°F (-11.1°C) and 24.3°F (-4.3°C). January is the coldest month of the year, registering average temperatures as high as 24.3°F (-4.3°C) and as low as 12°F (-11.1°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Fairfax, Vermont, with an average temperature ranging between min 13.5°F (-10.3°C) and max 27°F (-2.8°C). With the transition into February, Fairfax notes an average high-temperature of a still freezing cold 27°F (-2.8°C), closely resembling January. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Fairfax, Vermont, with an average temperature varying between 21.9°F (-5.6°C) and 35.8°F (2.1°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's subzero cold 27°F (-2.8°C) to a wintry 35.8°F (2.1°C). Weather in March »Weather in April
April is a frosty spring month in Fairfax, Vermont, with an average temperature fluctuating between 49.8°F (9.9°C) and 33.4°F (0.8°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from an icy 35.8°F (2.1°C) to a chilly 49.8°F (9.9°C). Weather in April »Weather in May
May, the last month of the spring in Fairfax, is a refreshing month, with an average temperature ranging between min 45.1°F (7.3°C) and max 64.8°F (18.2°C). The shift into May brings a noticeable increase in the average high-temperature, soaring from a frosty 49.8°F (9.9°C) in April to a comfortable 64.8°F (18.2°C). Weather in May »Weather in June
June, the first month of the summer in Fairfax, is an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 52°F (11.1°C). The commencement of June sees a minor shift in the average high-temperature, moving from a refreshing 64.8°F (18.2°C) in May to an agreeable 71.4°F (21.9°C). Weather in June »Weather in July
July is a warm summer month in Fairfax, Vermont, with an average temperature varying between 58.1°F (14.5°C) and 77.9°F (25.5°C). In Fairfax, temperatures reach their average annual highs in July, measuring 77.9°F (25.5°C) and a minimum average of 58.1°F (14.5°C). Weather in July »Weather in August
August, the last month of the summer in Fairfax, is also a moderately hot month, with an average temperature ranging between min 56.8°F (13.8°C) and max 76.3°F (24.6°C). The commencement of August introduces an average high-temperature of a still warm 76.3°F (24.6°C), closely mirroring the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Fairfax, Vermont, with an average temperature varying between 69.1°F (20.6°C) and 49.6°F (9.8°C). With the onset of September, the average high-temperature subtly recedes from August's warm 76.3°F (24.6°C) to an agreeable 69.1°F (20.6°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Fairfax, Vermont, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 55.2°F (12.9°C). As October arrives, Fairfax's weather displays a decrease in high-temperatures, transitioning from September's pleasant 69.1°F (20.6°C) to a cool 55.2°F (12.9°C). Weather in October »Weather in November
November, the last month of the autumn in Fairfax, is also a wintry month, with temperature in the range of an average low of 29.8°F (-1.2°C) and an average high of 41.5°F (5.3°C). As November begins, there is a decrease in the average high-temperature, falling from a cool 55.2°F (12.9°C) in October to a wintry 41.5°F (5.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Fairfax, Vermont, with an average temperature ranging between min 20.5°F (-6.4°C) and max 30°F (-1.1°C). In December, the average high-temperature goes from a cold 41.5°F (5.3°C) in November to a subzero cold 30°F (-1.1°C). Weather in December »Updated: Aug 1, 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
Temperature records mark January as the coldest month, with highs averaging 24.3°F (-4.3°C) and lows at 12°F (-11.1°C).
January and February, with an average relative humidity of 87%, are most humid months.
Throughout the year, there are 172.5 rainfall days, and 28.07" (713mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Fairfax, during the entire year, snow falls for 92.6 days and aggregates up to 43.98" (1117mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
The month with the least rainfall is February, when the rain falls for 9.1 days and typically collects 1.73" (44mm) of precipitation.
February is the month with the most snowfall in Fairfax. Snow falls for 20.5 days and accumulates 9.65" (245mm) of snow.
The month with the least sunshine is February, with an average of 3.1h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April and May, with an average relative humidity of 76%, are the least humid months.
June is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.19" (81mm) of precipitation.
In Fairfax, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 30min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
July, noted for its average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 58.1°F (14.5°C), is considered the warmest month in Fairfax.
The month with the most sunshine is August, with an average of 10.4h of sunshine.
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Fairfax, VT
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure
Fairfax, VT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Fairfax, VT
- Average wind speed in January:
7.2mph - Average wind speed in February:
7mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Fairfax, VT
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
Fairfax, VT
- Average rainfall in January:
1.93" - Average rainfall in February:
1.73" - Average rainfall in March:
2.2" - Average rainfall in April:
2.32" - Average rainfall in May:
2.83" - Average rainfall in June:
3.19"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.6" - Average rainfall in September:
1.85" - Average rainfall in October:
2.72" - Average rainfall in November:
2.17" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days
Fairfax, VT
- Average rainfall days in January:
9 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (9 days).
Average snowfall
Fairfax, VT
- Average snowfall in January:
9.53" - Average snowfall in February:
9.65" - Average snowfall in March:
7.17" - Average snowfall in April:
3.15" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Fairfax, VT
- Average snowfall days in January:
20.7 days - Average snowfall days in February:
20.5 days - Average snowfall days in March:
15.4 days - Average snowfall days in April:
6.2 days - Average snowfall days in May:
0.8 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 days - Average snowfall days in October:
1.9 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
18.2 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Fairfax, VT
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
3h and 6min - Average sunshine in March:
4h and 42min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days
Fairfax, VT
- Average sunshine days in January:
7.9 days - Average sunshine days in February:
6 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
11.6 days - Average sunshine days in December:
6.8 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6 days).
Average UV index
Fairfax, VT
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Fairfax, VT
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Fairfax, VT
The months with the highest visibility are May, July and August (6mi).
The months with the lowest visibility are January, February and March (4mi).
