Climate and monthly weather forecastNew Haven, VT
Climate and monthly weather forecast
Weather in January
January, the same as December, in New Haven, Vermont, is another subzero cold winter month, with an average temperature fluctuating between 11.7°F (-11.3°C) and 24.1°F (-4.4°C). The coldest month is January, with an average high-temperature of 24.1°F (-4.4°C) and an average low-temperature of 11.7°F (-11.3°C). Weather in January »Weather in February
February, the last month of the winter in New Haven, is also a subzero cold month, with temperature in the range of an average low of 13.6°F (-10.2°C) and an average high of 27.3°F (-2.6°C). New Haven observes an average high-temperature of a still subzero cold 27.3°F (-2.6°C) in February, barely different from 24.1°F (-4.4°C) in January. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in New Haven, Vermont, with an average temperature varying between 35.8°F (2.1°C) and 21.6°F (-5.8°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's freezing cold 27.3°F (-2.6°C) to an icy 35.8°F (2.1°C). Weather in March »Weather in April
April in New Haven, Vermont, is a frosty spring month, with an average temperature fluctuating between 32.9°F (0.5°C) and 49.6°F (9.8°C). New Haven's weather in April presents a rise in the average high-temperature, moving from a wintry 35.8°F (2.1°C) in March to a frosty 49.6°F (9.8°C). Weather in April »Weather in May
May, the last month of the spring in New Haven, is a comfortable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 64.9°F (18.3°C). A noticeable upsurge in temperatures is seen as April gives way to May, with average highs moving from a chilly 49.6°F (9.8°C) to a refreshing 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in New Haven, Vermont, with an average temperature ranging between max 71.2°F (21.8°C) and min 50.5°F (10.3°C). June's arrival brings a slight change in high-temperatures, adjusting from an enjoyable 64.9°F (18.3°C) in May to an agreeable 71.2°F (21.8°C). Weather in June »Weather in July
July is a moderately hot summer month in New Haven, Vermont, with an average temperature varying between 78.4°F (25.8°C) and 56.8°F (13.8°C). July registers as the month with the highest average temperatures, reaching 78.4°F (25.8°C) at its peak and 56.8°F (13.8°C) at the lowest. Weather in July »Weather in August
August, the last month of the summer in New Haven, is also a moderately hot month, with an average temperature varying between 76.6°F (24.8°C) and 55°F (12.8°C). The dawn of August sees an average high-temperature of a still warm 76.6°F (24.8°C), subtly contrasting with July's 78.4°F (25.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in New Haven, Vermont, with an average temperature varying between 48.6°F (9.2°C) and 68.5°F (20.3°C). A mild drop in New Haven's average high-temperature is observed in September, transitioning from a moderately hot 76.6°F (24.8°C) in August to an agreeable 68.5°F (20.3°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in New Haven, Vermont, with an average temperature varying between 54.5°F (12.5°C) and 40.1°F (4.5°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from an agreeable 68.5°F (20.3°C) in September to a fresh 54.5°F (12.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in New Haven, Vermont, with an average temperature varying between 28.9°F (-1.7°C) and 41.2°F (5.1°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 54.5°F (12.5°C) in October to an icy 41.2°F (5.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in New Haven, Vermont, with an average temperature ranging between min 19.8°F (-6.8°C) and max 30°F (-1.1°C). During the transition into December, New Haven observes a decrease in the average high-temperature, falling from a wintry 41.2°F (5.1°C) in November to a freezing cold 30°F (-1.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
New Haven, VT
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.1°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
New Haven, 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:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.05"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
New Haven, VT
- Average wind speed in January:
7mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
New Haven, VT
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
New Haven, VT
- Average rainfall in January:
2.05" - Average rainfall in February:
1.97" - Average rainfall in March:
2.4" - Average rainfall in April:
2.76" - Average rainfall in May:
3.19" - Average rainfall in June:
3.39"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.64" - Average rainfall in September:
1.85" - Average rainfall in October:
3.03" - Average rainfall in November:
2.28" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
New Haven, VT
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
17 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is January (8.7 days).
Average snowfall
New Haven, VT
- Average snowfall in January:
10.55" - Average snowfall in February:
11.06" - Average snowfall in March:
8.74" - Average snowfall in April:
3.78" - Average snowfall in May:
0.71" - Average snowfall in June:
0"
The month with the highest snowfall is February (11.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
New Haven, VT
- Average snowfall days in January:
21.3 days - Average snowfall days in February:
20.8 days - Average snowfall days in March:
16.1 days - Average snowfall days in April:
6.5 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:
2 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
19 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
New Haven, 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 24min
- Average daylight in July:
15h and 6min - 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 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 0min - Average sunshine in March:
4h and 36min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days
New Haven, VT
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
5.7 days - Average sunshine days in March:
8 days - Average sunshine days in April:
8.2 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.7 days).
Average UV index
New Haven, VT
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
New Haven, VT
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
New Haven, VT
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





