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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Groton, Vermont, with temperature in the range of an average low of 9.7°F (-12.4°C) and an average high of 22.8°F (-5.1°C). January proves to be the coldest month, recording an average maximum temperature of 22.8°F (-5.1°C) and a minimum temperature of 9.7°F (-12.4°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Groton, Vermont, with an average temperature varying between 10.8°F (-11.8°C) and 25.5°F (-3.6°C). Groton notes an average high-temperature of a still subzero cold 25.5°F (-3.6°C) in February, displaying minor variation from January. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Groton, Vermont, with an average temperature ranging between max 34°F (1.1°C) and min 18.9°F (-7.3°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a subzero cold 25.5°F (-3.6°C) in February to a cold 34°F (1.1°C). Weather in March »
Weather in April
April is a chilly spring month in Groton, Vermont, with an average temperature ranging between min 30.6°F (-0.8°C) and max 47.5°F (8.6°C). A rise in the average high-temperature is observed during April, moving from a cold 34°F (1.1°C) in March to a frosty 47.5°F (8.6°C). Weather in April »
Weather in May
May, the last month of the spring in Groton, is a refreshing month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 63.7°F (17.6°C). With the onset of May, Groton's average high-temperature witnesses a clear rise, advancing from April's chilly 47.5°F (8.6°C) to a comfortable 63.7°F (17.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Groton, Vermont, with an average temperature fluctuating between 48.4°F (9.1°C) and 70.3°F (21.3°C). June comes with a subtle rise, with the average high-temperature adjusting from an enjoyable 63.7°F (17.6°C) in May to a pleasant 70.3°F (21.3°C). Weather in June »
Weather in July
July in Groton, Vermont, is a moderately hot summer month, with an average temperature varying between 76.6°F (24.8°C) and 54.5°F (12.5°C). In Groton, the peak temperatures are generally noted in July, averaging a high of 76.6°F (24.8°C) and a low of 54.5°F (12.5°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Groton, Vermont, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 52.3°F (11.3°C). As Groton, Vermont, welcomes August, the average high-temperature is noted at a still warm 75°F (23.9°C), closely aligning with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Groton, Vermont, with an average temperature varying between 47.1°F (8.4°C) and 67.8°F (19.9°C). With the onset of September, Groton's average high-temperature slightly adjusts, moderately receding from August's moderately hot 75°F (23.9°C) to a refreshing 67.8°F (19.9°C). Weather in September »
Weather in October
October, like September, in Groton, Vermont, is another fresh autumn month, with an average temperature ranging between max 53.6°F (12°C) and min 38.8°F (3.8°C). A moderate decline in the average high-temperature is seen during October, decreasing from an enjoyable 67.8°F (19.9°C) in September to a fresh 53.6°F (12°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Groton, Vermont, with an average temperature varying between 27.5°F (-2.5°C) and 39.7°F (4.3°C). November shows a mild decline in the average high-temperature, falling from October's cool 53.6°F (12°C) to a cold 39.7°F (4.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Groton, Vermont, with an average temperature varying between 18.1°F (-7.7°C) and 28.6°F (-1.9°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a wintry 39.7°F (4.3°C) to a subzero cold 28.6°F (-1.9°C). Weather in December »
Updated: Aug 28, 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
What are the coldest months?
The coldest temperatures occur during January, when averages reach a peak of 22.8°F (-5.1°C) and a low of 9.7°F (-12.4°C).
What are the most humid months?
January and February, with an average relative humidity of 89%, are most humid months.
How many days does it rain?
In Groton, during the entire year, the rain falls for 157.2 days and collects up to 28.35" (720mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 20.5 days and typically aggregates up to 12.44" (316mm) of snow.
How much does it snow?
In Groton, during the entire year, snow falls for 98.4 days and aggregates up to 51.97" (1320mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 2.8h of sunshine.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
With an average relative humidity of 76%, May is the least humid month.
What is the wettest month?
The wettest months are June and October, with an average 2.87" (73mm) of rainfall.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days in Groton is June, with an average of 15h and 30min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What month is the hottest?
The warmest period is July, when temperatures fluctuate between an average high of 76.6°F (24.8°C) and a low of 54.5°F (12.5°C).
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.8h of sunshine.
What is the driest month?
September is the month with the least rainfall in Groton, Vermont. Rain falls for 11.5 days and accumulates 1.97" (50mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Groton, VT
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure
Groton, VT
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"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:
30.06"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Groton, VT
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Groton, VT
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall
Groton, VT
- Average rainfall in January:
2.32" - Average rainfall in February:
2.05" - Average rainfall in March:
2.09" - Average rainfall in April:
2.72" - Average rainfall in May:
2.56" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.01" - Average rainfall in September:
1.97" - Average rainfall in October:
2.87" - Average rainfall in November:
2.24" - Average rainfall in December:
2.36"
The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days
Groton, VT
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
7 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
16 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Groton, VT
- Average snowfall in January:
12.44" - Average snowfall in February:
12.36" - Average snowfall in March:
8.19" - Average snowfall in April:
4.49" - Average snowfall in May:
0.63" - Average snowfall in June:
0"
The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Groton, VT
- Average snowfall days in January:
20.5 days - Average snowfall days in February:
20.8 days - Average snowfall days in March:
16.5 days - Average snowfall days in April:
8 days - Average snowfall days in May:
0.7 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:
2.5 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
19.1 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Groton, VT
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
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:
2h and 5min - Average sunshine in February:
2h and 5min - Average sunshine in March:
4h and 2min - Average sunshine in April:
6h and 3min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days
Groton, VT
- Average sunshine days in January:
8.3 days - Average sunshine days in February:
6.6 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
9.4 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
11.7 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
8.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).
Average UV index
Groton, VT
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Groton, VT
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility
Groton, VT
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Groton, Vermont, USA
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