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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 a wintry winter month in Thomaston, Connecticut, with an average temperature fluctuating between 20.7°F (-6.3°C) and 32.5°F (0.3°C). Thomaston's coldest month, January, generally records average temperatures ranging from a high of 32.5°F (0.3°C) to a low of 20.7°F (-6.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Thomaston, Connecticut, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 21.6°F (-5.8°C). The advent of February brings an average high-temperature of a still wintry 36°F (2.2°C), almost identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Thomaston, Connecticut, with an average temperature fluctuating between 28.9°F (-1.7°C) and 43.5°F (6.4°C). In March, the average high-temperature marginally rises from an icy 36°F (2.2°C) in February to a chilly 43.5°F (6.4°C). Weather in March »
Weather in April
April is a moderate spring month in Thomaston, Connecticut, with an average temperature ranging between max 56.3°F (13.5°C) and min 39.2°F (4°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 43.5°F (6.4°C) in March to a moderate 56.3°F (13.5°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Thomaston, Connecticut, with an average temperature fluctuating between 48.7°F (9.3°C) and 68.2°F (20.1°C). With the onset of May, Thomaston's weather sees a temperature rise, transitioning from a moderate 56.3°F (13.5°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Thomaston, Connecticut, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 56.7°F (13.7°C). June signals a minor shift in the average high-temperature, moving from May's pleasant 68.2°F (20.1°C) to a moderately hot 75.7°F (24.3°C). Weather in June »
Weather in July
July, like June, in Thomaston, Connecticut, is another warm summer month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 82.4°F (28°C). With average high and low temperatures of 82.4°F (28°C) and 63.1°F (17.3°C) respectively, July is Thomaston's warmest month. The heat index for July 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 Thomaston, Connecticut, with an average temperature fluctuating between 61.3°F (16.3°C) and 80.4°F (26.9°C). Thomaston's shift into August is marked by a subtle change to a still warm 80.4°F (26.9°C) from July's 82.4°F (28°C) in temperature. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Thomaston, Connecticut, with an average temperature ranging between min 55.2°F (12.9°C) and max 73.4°F (23°C). September indicates a minor shift in the average high-temperature, from August's 80.4°F (26.9°C) to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Thomaston, Connecticut, with an average temperature ranging between min 46°F (7.8°C) and max 60.3°F (15.7°C). Thomaston's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 73.4°F (23°C) in September to a moderate 60.3°F (15.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Thomaston, is also a frosty month, with an average temperature varying between 48.4°F (9.1°C) and 34.9°F (1.6°C). November brings a decrease in the average high-temperature, shifting from a mild 60.3°F (15.7°C) in October to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Thomaston, Connecticut, with an average temperature fluctuating between 27.7°F (-2.4°C) and 38.3°F (3.5°C). The transition into December involves a decrease in the average high-temperature, falling from a chilly 48.4°F (9.1°C) in November to an icy 38.3°F (3.5°C). Weather in December »
Updated: Jul 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?
January proves to be the coldest month, recording an average maximum temperature of 32.5°F (0.3°C) and a minimum temperature of 20.7°F (-6.3°C).
How much does it rain?
Throughout the year, there are 170 rainfall days, and 35.43" (900mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
In Thomaston, during the entire year, snow falls for 33.9 days and aggregates up to 18.43" (468mm) of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 80%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 9.3 days and typically aggregates up to 5.12" (130mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.5h of sunshine.
When is Daylight Saving Time (DST) in Thomaston?
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?
The least humid month in Thomaston, Connecticut, is April, with an average relative humidity of 72%.
When it does not snow?
In Thomaston, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 12min 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 month is the hottest?
July is the warmest month, exhibiting average temperatures of 82.4°F (28°C) at the peak and 63.1°F (17.3°C) at the base.
What are the months with the most sunshine?
July and August, with an average of 10.2h of sunshine, are months with the most sunshine.
What is the driest month in Thomaston?
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.24" (57mm) of precipitation.
What is the wettest month?
December is the month with the most rainfall. Rain falls for 11.7 days and accumulates 3.74" (95mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Thomaston is December, with an average of 9h and 12min of daylight.
Average temperature
Thomaston, 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 (32.5°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 (20.7°F).
Average pressure
Thomaston, CT
- Average pressure in January:
30.04"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:
30.06"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
Thomaston, CT
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.3mph - 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:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Thomaston, CT
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Thomaston, CT
- Average rainfall in January:
2.4" - Average rainfall in February:
2.48" - Average rainfall in March:
2.72" - Average rainfall in April:
2.99" - Average rainfall in May:
2.87" - Average rainfall in June:
3.19"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.03" - Average rainfall in September:
2.24" - Average rainfall in October:
3.43" - Average rainfall in November:
3.03" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days
Thomaston, CT
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.5 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
11 days - Average rainfall days in December:
11.7 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall
Thomaston, CT
- Average snowfall in January:
3.43" - Average snowfall in February:
5.12" - Average snowfall in March:
4.37" - Average snowfall in April:
1.1" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Thomaston, CT
- Average snowfall days in January:
8 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
7.4 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:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Thomaston, 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:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 0min - 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 1min - Average sunshine in September:
8h and 3min - 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Thomaston, CT
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).
Average UV index
Thomaston, 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
Thomaston, CT
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Thomaston, CT
The months with the highest visibility are January, April, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August and September (5mi).
Thomaston, Connecticut, USA
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