Climate and monthly weather forecastCromwell, CT
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Cromwell, Connecticut, with an average temperature ranging between min 22.1°F (-5.5°C) and max 34°F (1.1°C). The coldest month is January, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 22.1°F (-5.5°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Cromwell, Connecticut, with an average temperature fluctuating between 37°F (2.8°C) and 23°F (-5°C). Cromwell's average high-temperature in February is a still wintry 37°F (2.8°C), marking an insignificant difference from the 34°F (1.1°C) of January. Weather in February »Weather in March
March, the first month of the spring in Cromwell, is a chilly month, with an average temperature ranging between max 44.8°F (7.1°C) and min 30.4°F (-0.9°C). The start of March brings a subtle shift in the average high-temperature, edging up from February's icy 37°F (2.8°C) to a frosty 44.8°F (7.1°C). Weather in March »Weather in April
April in Cromwell, Connecticut, is a mild spring month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 40.3°F (4.6°C). Cromwell's weather shows a temperature rise with the arrival of April, moving from a chilly 44.8°F (7.1°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Cromwell, Connecticut, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 49.8°F (9.9°C). Cromwell sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 56.8°F (13.8°C) in April to a pleasant 68.2°F (20.1°C). Weather in May »Weather in June
June, the first month of the summer in Cromwell, is a moderately hot month, with an average temperature ranging between min 57.4°F (14.1°C) and max 76.1°F (24.5°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 68.2°F (20.1°C) to a moderately hot 76.1°F (24.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Cromwell, Connecticut, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 82.9°F (28.3°C). Cromwell reaches its highest average temperatures in July, measuring 82.9°F (28.3°C) at the peak and 64°F (17.8°C) at the lowest. July's mean heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Cromwell, is another warm month, with an average temperature fluctuating between 81°F (27.2°C) and 63°F (17.2°C). August registers an average high-temperature of a still moderately hot 81°F (27.2°C), slightly varied from July's 82.9°F (28.3°C). Weather in August »Weather in September
September, the first month of the autumn in Cromwell, is also a moderately hot month, with an average temperature ranging between min 56.3°F (13.5°C) and max 73.6°F (23.1°C). Cromwell's September weather shows a modest shift in high-temperatures, falling from August's 81°F (27.2°C) to a still warm 73.6°F (23.1°C). Weather in September »Weather in October
October, like September, in Cromwell, Connecticut, is another enjoyable autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 47.1°F (8.4°C). Cromwell's progression into October involves a drop in the average high-temperature, receding from a moderately hot 73.6°F (23.1°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in Cromwell, is another chilly month, with an average temperature ranging between max 49.3°F (9.6°C) and min 36.7°F (2.6°C). Cromwell in November experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 61.7°F (16.5°C) in October to a frosty 49.3°F (9.6°C). Weather in November »Weather in December
December, the first month of the winter in Cromwell, is also a wintry month, with an average temperature ranging between min 29.1°F (-1.6°C) and max 39.7°F (4.3°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 49.3°F (9.6°C) to an icy 39.7°F (4.3°C). Weather in December »Updated: Jul 26, 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
January is the month when Cromwell, Connecticut, experiences its coldest temperatures, averaging a high of 34°F (1.1°C) and a low of 22.1°F (-5.5°C).
Throughout the year, in Cromwell, there are 162.2 rainfall days, and 34.13" (867mm) of precipitation is accumulated.
January through May, November and December are months with snowfall.
In Cromwell, during the entire year, snow falls for 29.4 days and aggregates up to 14.76" (375mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 79%.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
The month with the most snowfall is March, when snow falls for 6.2 days and typically aggregates up to 4.13" (105mm) of snow.
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.
April is the least humid month, with an average relative humidity of 71%.
In Cromwell, snow does not fall in June through October.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In Cromwell, July is identified by the average highest temperatures, reaching a peak of 82.9°F (28.3°C) and a low of 64°F (17.8°C).
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.89" (48mm) of precipitation.
December is the month with the most rainfall. Rain falls for 11.9 days and accumulates 3.66" (93mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Cromwell, CT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
Cromwell, 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:
30.05"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
Cromwell, CT
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Cromwell, CT
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Cromwell, CT
- Average rainfall in January:
2.48" - Average rainfall in February:
2.48" - Average rainfall in March:
2.83" - Average rainfall in April:
3.11" - Average rainfall in May:
2.64" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.76" - Average rainfall in September:
1.89" - Average rainfall in October:
3.27" - Average rainfall in November:
3.03" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Cromwell, CT
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Cromwell, CT
- Average snowfall in January:
2.68" - Average snowfall in February:
3.78" - Average snowfall in March:
4.13" - Average snowfall in April:
0.59" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Cromwell, CT
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
6.2 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:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Cromwell, CT
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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 54min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Cromwell, CT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
14.4 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 (11.3 days).
Average UV index
Cromwell, 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
Cromwell, CT
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Cromwell, CT
The months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June and July (5mi).
