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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, the same as December, is another cold winter month in South Windsor, Connecticut, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 32.9°F (0.5°C). In South Windsor, the month of January is known for its lowest average temperatures, reaching a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C). Weather in January »
Weather in February
February, the last month of the winter in South Windsor, is also an icy month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 36°F (2.2°C). The commencement of February brings an average high-temperature of a still cold 36°F (2.2°C), marking an inconsequential divergence from January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in South Windsor, Connecticut, with an average temperature varying between 29.5°F (-1.4°C) and 44.2°F (6.8°C). March's onset brings a subtle temperature rise, moving from a wintry 36°F (2.2°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April in South Windsor, Connecticut, is a refreshing spring month, with an average temperature varying between 56.7°F (13.7°C) and 39.9°F (4.4°C). South Windsor's weather in April presents a rise in the average high-temperature, moving from a chilly 44.2°F (6.8°C) in March to a moderate 56.7°F (13.7°C). Weather in April »
Weather in May
May, the last month of the spring in South Windsor, is a pleasant month, with an average temperature varying between 49.5°F (9.7°C) and 68.9°F (20.5°C). As South Windsor transitions into May, a rise in the average high-temperature is observed, moving from a mild 56.7°F (13.7°C) in April to an agreeable 68.9°F (20.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in South Windsor, Connecticut, with an average temperature varying between 76.5°F (24.7°C) and 56.8°F (13.8°C). June brings a slight increase in the average high-temperature, progressing from a pleasant 68.9°F (20.5°C) in May to a warm 76.5°F (24.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in South Windsor, Connecticut, with an average temperature varying between 63.5°F (17.5°C) and 83.1°F (28.4°C). July, recording an average high temperature of 83.1°F (28.4°C) and a low temperature of 63.5°F (17.5°C), is South Windsor's warmest month. For most parts of July, the heat index is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in South Windsor, is another warm month, with an average temperature fluctuating between 62.2°F (16.8°C) and 81°F (27.2°C). South Windsor marks the arrival of August with an average high-temperature of a still moderately hot 81°F (27.2°C), hardly different from July's 83.1°F (28.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in South Windsor, Connecticut, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 73.4°F (23°C). The transition to September results in a modest reduction in average high-temperature, moving from a warm 81°F (27.2°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in South Windsor, Connecticut, with an average temperature fluctuating between 46.6°F (8.1°C) and 61.2°F (16.2°C). October comes with a drop in the average high-temperature, falling from September's moderately hot 73.4°F (23°C) to an enjoyable 61.2°F (16.2°C). Weather in October »
Weather in November
November, the last month of the autumn in South Windsor, is another chilly month, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 48.9°F (9.4°C). Onset of November witnesses a reduction in the average high-temperature, falling from a refreshing 61.2°F (16.2°C) in October to a chilly 48.9°F (9.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in South Windsor, Connecticut, with temperature in the range of an average low of 28°F (-2.2°C) and an average high of 38.7°F (3.7°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 48.9°F (9.4°C) to a wintry 38.7°F (3.7°C). Weather in December »
Updated: Aug 24, 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 part of the year is the coldest?
South Windsor's coldest weather arrives in January, when temperatures average a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C).
How much does it rain?
In South Windsor, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 31.6 snowfall days, and 17.13" (435mm) of snow is accumulated.
What is the month with 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 in South Windsor?
With an average relative humidity of 80%, February is the most humid month.
When does it snow the most in South Windsor?
February is the month with the most snowfall. Snow falls for 8.5 days and accumulates 4.8" (122mm) of snow.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, February has the least sunshine of the year.
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 71%, April is the least humid month.
When it does not snow?
In South Windsor, snow does not fall in June through September.
When are the longest days in South Windsor?
With an average of 15h and 12min of daylight, June has the longest days of the year.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What part of the year is the hottest?
Temperature readings reach their annual highs in July, averaging 83.1°F (28.4°C) and a minimum average of 63.5°F (17.5°C).
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.
What is the wettest month?
The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 3.27" (83mm) 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.
Average temperature
South Windsor, CT
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
South Windsor, CT
- Average pressure in January:
30.03"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:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Windsor, CT
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
South Windsor, CT
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall
South Windsor, CT
- Average rainfall in January:
2.28" - Average rainfall in February:
2.32" - Average rainfall in March:
2.68" - Average rainfall in April:
2.83" - Average rainfall in May:
2.6" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.6" - Average rainfall in September:
1.77" - Average rainfall in October:
3.03" - Average rainfall in November:
2.76" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
South Windsor, CT
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).
Average snowfall
South Windsor, CT
- Average snowfall in January:
3.39" - Average snowfall in February:
4.8" - Average snowfall in March:
4.17" - Average snowfall in April:
0.59" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Windsor, CT
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Windsor, CT
- Average daylight in January:
9h and 3min - 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 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 2min - 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 4min - Average sunshine in December:
4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
South Windsor, CT
- Average sunshine days in January:
17 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
South Windsor, CT
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
South Windsor, CT
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
South Windsor, CT
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
South Windsor, Connecticut, USA
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