Climate and monthly weather forecastBristol, VT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Bristol, Vermont, is a freezing cold winter month, with an average temperature varying between 24.1°F (-4.4°C) and 11.7°F (-11.3°C). January is the coldest month, with the temperature often reaching an average high of 24.1°F (-4.4°C) and an average low of 11.7°F (-11.3°C). Weather in January »Weather in February
February, the last month of the winter in Bristol, is another freezing cold month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 13.6°F (-10.2°C). February's average high-temperature stands at a still subzero cold 27.3°F (-2.6°C), showing little deviation from January's 24.1°F (-4.4°C). Weather in February »Weather in March
March, the first month of the spring in Bristol, is an icy month, with an average temperature fluctuating between 35.8°F (2.1°C) and 21.6°F (-5.8°C). With the transition into March, Bristol experiences a subtle uplift in average high-temperatures, adjusting from a subzero cold 27.3°F (-2.6°C) in February to a wintry 35.8°F (2.1°C). Weather in March »Weather in April
April is a chilly spring month in Bristol, Vermont, with an average temperature fluctuating between 49.6°F (9.8°C) and 32.9°F (0.5°C). April's arrival is marked by an increase in the average high-temperature, moving from a cold 35.8°F (2.1°C) in March to a frosty 49.6°F (9.8°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Bristol, Vermont, with an average temperature ranging between max 64.9°F (18.3°C) and min 44.2°F (6.8°C). As Bristol, Vermont, steps into May, the average high-temperature increases significantly from the a frosty 49.6°F (9.8°C) of April to an enjoyable 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Bristol, Vermont, with an average temperature varying between 50.5°F (10.3°C) and 71.2°F (21.8°C). June witnesses a minor rise in the average high-temperature, transitioning from a refreshing 64.9°F (18.3°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »Weather in July
July in Bristol, Vermont, is a warm summer month, with an average temperature varying between 56.8°F (13.8°C) and 78.4°F (25.8°C). July, with average temperatures reaching a high of 78.4°F (25.8°C) and a low of 56.8°F (13.8°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Bristol, Vermont, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 76.6°F (24.8°C). Bristol sees the arrival of August with an average high-temperature of a still moderately hot 76.6°F (24.8°C), indicating a subtle variation from July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Bristol, Vermont, with an average temperature varying between 68.5°F (20.3°C) and 48.6°F (9.2°C). The beginning of September brings a slight decrease in the average high-temperature, 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, like September, in Bristol, Vermont, is another fresh autumn month, with an average temperature fluctuating between 40.1°F (4.5°C) and 54.5°F (12.5°C). Bristol's weather changes with the onset of October, slightly falling from a pleasant 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 also an icy month in Bristol, Vermont, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 28.9°F (-1.7°C). A moderate decline in the average high-temperature is seen during November, decreasing from a cool 54.5°F (12.5°C) in October to an icy 41.2°F (5.1°C). Weather in November »Weather in December
December, the first month of the winter in Bristol, is also a subzero cold month, with temperature in the range of an average high of 30°F (-1.1°C) and an average low of 19.8°F (-6.8°C). The shift from November to December corresponds with a decrease in the average high-temperature, down to a subzero cold 30°F (-1.1°C) from a wintry 41.2°F (5.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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).





