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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, in Andover, Connecticut, is a wintry winter month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 33.4°F (0.8°C). January is the coldest month, with the temperature often reaching an average high of 33.4°F (0.8°C) and an average low of 21.6°F (-5.8°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Andover, Connecticut, with an average temperature ranging between max 36.7°F (2.6°C) and min 22.5°F (-5.3°C). As Andover, Connecticut, welcomes February, the average high-temperature records at a still icy 36.7°F (2.6°C), marking an insignificant deviation from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Andover, Connecticut, with an average temperature varying between 29.7°F (-1.3°C) and 43.7°F (6.5°C). Andover's weather shows a minor temperature rise with the arrival of March, moving from a cold 36.7°F (2.6°C) in February to a chilly 43.7°F (6.5°C). Weather in March »
Weather in April
April is a refreshing spring month in Andover, Connecticut, with an average temperature ranging between min 39.6°F (4.2°C) and max 55.9°F (13.3°C). As March transitions into April, Andover sees a rise in the average high-temperature, moving from a chilly 43.7°F (6.5°C) to a mild 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Andover, Connecticut, with an average temperature ranging between min 48.9°F (9.4°C) and max 67.1°F (19.5°C). As May sets, the average high-temperature shows an increase, moving up from a refreshing 55.9°F (13.3°C) in April to an enjoyable 67.1°F (19.5°C). Weather in May »
Weather in June
June, the first month of the summer in Andover, is a moderately hot month, with an average temperature fluctuating between 56.3°F (13.5°C) and 74.8°F (23.8°C). June's arrival sees a mild rise in the average high-temperature, transitioning from May's comfortable 67.1°F (19.5°C) to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Andover, Connecticut, is another warm summer month, with an average temperature varying between 81.9°F (27.7°C) and 63°F (17.2°C). July brings the highest temperatures, with an average high of 81.9°F (27.7°C) and an average low of 63°F (17.2°C). Throughout July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Andover, is another warm month, with an average temperature ranging between min 62.2°F (16.8°C) and max 80.2°F (26.8°C). The arrival of August is marked by an average high-temperature of a still moderately hot 80.2°F (26.8°C), bearing a close resemblance to July. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Andover, Connecticut, with an average temperature fluctuating between 73.2°F (22.9°C) and 55.4°F (13°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 80.2°F (26.8°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Andover, Connecticut, with an average temperature varying between 61°F (16.1°C) and 46.4°F (8°C). Andover's October weather features a mild decline in high-temperatures, reducing from an agreeable 73.2°F (22.9°C) in September to an enjoyable 61°F (16.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Andover, is another chilly month, with an average temperature fluctuating between 36.1°F (2.3°C) and 49.1°F (9.5°C). The arrival of November corresponds with a temperature reduction, down from October's refreshing 61°F (16.1°C) to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in Andover, is also an icy month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 28.6°F (-1.9°C). A shift in the average high-temperature occurs in December, reducing from a frosty 49.1°F (9.5°C) in November to a cold 39.4°F (4.1°C). Weather in December »
Updated: Jul 16, 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 is the coldest time of year?
January, noted for its average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), is considered the coldest month.
How much does it rain?
Throughout the year, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.
When does it snow?
January through May, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 31.6 snowfall days, and 15.98" (406mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The months with the highest humidity are February and October, with an average relative humidity of 79%.
What is the snowiest month in Andover?
March is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.41" (112mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Andover, 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 72%, April is the least humid month.
When it does not snow?
June through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
With average high temperatures of 81.9°F (27.7°C) and lows of 63°F (17.2°C), July is the warmest month.
What month has the most sunshine?
With an average of 10.3h of sunshine, August has the most sunshine of the year.
What is the driest month in Andover?
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.46" (88mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 4.7h of sunshine.
Average temperature
Andover, CT
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Andover, CT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Andover, CT
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.4mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Andover, CT
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Andover, CT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.4" - Average rainfall in March:
2.8" - Average rainfall in April:
3.15" - Average rainfall in May:
2.76" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.76" - Average rainfall in September:
1.73" - Average rainfall in October:
3.07" - Average rainfall in November:
2.91" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Andover, CT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Andover, CT
- Average snowfall in January:
2.91" - Average snowfall in February:
4.33" - Average snowfall in March:
4.41" - Average snowfall in April:
0.31" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Andover, CT
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.2 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:
0 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Andover, CT
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
Andover, CT
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Andover, CT
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Andover, CT
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Andover, CT
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Andover, Connecticut, USA
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