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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 Southbury, Connecticut, is an icy winter month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 33.1°F (0.6°C). January, on average, is the coldest month, registering a high temperature of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Southbury, Connecticut, with an average temperature varying between 36.1°F (2.3°C) and 21.9°F (-5.6°C). The average high-temperature in February, at a still wintry 36.1°F (2.3°C), reveals a modest deviation from January's 33.1°F (0.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Southbury, Connecticut, with an average temperature fluctuating between 29.1°F (-1.6°C) and 43.9°F (6.6°C). Southbury's weather shows a minor temperature rise with the arrival of March, moving from an icy 36.1°F (2.3°C) in February to a chilly 43.9°F (6.6°C). Weather in March »
Weather in April
April in Southbury, Connecticut, is a moderate spring month, with an average temperature varying between 39.7°F (4.3°C) and 56.8°F (13.8°C). As April sets, the average high-temperature shows an increase, moving up from a frosty 43.9°F (6.6°C) in March to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
May, the last month of the spring in Southbury, is an agreeable month, with an average temperature ranging between min 48.9°F (9.4°C) and max 68.4°F (20.2°C). As Southbury welcomes May, the average high-temperature sees a rise, transitioning from a refreshing 56.8°F (13.8°C) in April to a pleasant 68.4°F (20.2°C). Weather in May »
Weather in June
June, the first month of the summer in Southbury, is a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 76.3°F (24.6°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's pleasant 68.4°F (20.2°C) to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Southbury, Connecticut, with an average temperature varying between 82.4°F (28°C) and 63.1°F (17.3°C). July, recognised by an average high temperature of 82.4°F (28°C) and a low of 63.1°F (17.3°C), is Southbury's warmest month. July's average heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Southbury, Connecticut, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 61.3°F (16.3°C). August observes an average high-temperature of a still moderately hot 80.4°F (26.9°C), marking an insignificant difference from July's 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Southbury, Connecticut, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 55.2°F (12.9°C). A mild drop in Southbury's average high-temperature is observed in September, transitioning from a moderately hot 80.4°F (26.9°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Southbury, Connecticut, with an average temperature fluctuating between 61°F (16.1°C) and 46°F (7.8°C). October is characterized by a reduction in the average high-temperature, 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
The last month of the autumn, November, is also a frosty month in Southbury, Connecticut, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 35.2°F (1.8°C). Southbury in November demonstrates a small temperature transition, adjusting from an average high of an enjoyable 61°F (16.1°C) in October to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Southbury, Connecticut, with an average temperature fluctuating between 28°F (-2.2°C) and 38.5°F (3.6°C). Transition into December marks a drop in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in November to an icy 38.5°F (3.6°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 is the coldest time of year?
Southbury's temperature records reveal January as the coldest month, marked by average highs of 33.1°F (0.6°C) and lows of 21.4°F (-5.9°C).
How many days does it rain?
In Southbury, during the entire year, the rain falls for 171.2 days and collects up to 36.3" (922mm) of precipitation.
When does it snow in Southbury?
Months with snowfall are January through May, November and December.
How many days does it snow?
Throughout the year, there are 34.8 snowfall days, and 17.48" (444mm) 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?
February is the most humid month in Southbury, with an average relative humidity of 80%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 9.4 days and typically aggregates up to 4.8" (122mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.5h 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 72%, April is the least humid month.
When it does not snow?
In Southbury, snow does not fall in June through October.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Southbury?
Southbury's temperatures peak on average in July, reaching 82.4°F (28°C) at their highest and 63.1°F (17.3°C) at their lowest.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.
What is the driest month in Southbury?
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.28" (58mm) of precipitation.
What is the wettest month?
The month with the most rainfall is December, when the rain falls for 12.1 days and typically aggregates up to 3.9" (99mm) 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
Southbury, CT
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure
Southbury, CT
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"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:
30.06"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
Southbury, CT
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Southbury, CT
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Southbury, CT
- Average rainfall in January:
2.4" - Average rainfall in February:
2.48" - Average rainfall in March:
2.76" - Average rainfall in April:
3.11" - Average rainfall in May:
2.99" - Average rainfall in June:
3.31"
- Average rainfall in July:
3.54" - Average rainfall in August:
3.11" - Average rainfall in September:
2.28" - Average rainfall in October:
3.43" - Average rainfall in November:
2.99" - Average rainfall in December:
3.9"
The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days
Southbury, CT
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.5 days).
Average snowfall
Southbury, CT
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Southbury, CT
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
1.2 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Southbury, 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 3min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Southbury, CT
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
12 days - Average sunshine days in March:
11.9 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
17 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (17 days).
The months with the least sunshine days are May and June (10.3 days).
Average UV index
Southbury, 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
Southbury, CT
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Southbury, CT
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Southbury, Connecticut, USA
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