Monthly weather forecast and climate
Cromwell, CT

Weather in January

January, like December, in Cromwell, Connecticut, is another cold winter month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 22.1°F (-5.5°C). With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 22.1°F (-5.5°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Cromwell, Connecticut, with average temperature ranging between min 23°F (-5°C) and max 37°F (2.8°C). In February, the average high-temperature is relatively the same as in January - a still wintry 37°F (2.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Cromwell, Connecticut, with temperature in the range of an average low of 30.4°F (-0.9°C) and an average high of 44.8°F (7.1°C). In March, the average high-temperature slightly increases, from a cold 37°F (2.8°C) in February, to a frosty 44.8°F (7.1°C). Weather in March »

Weather in April

April in Cromwell, Connecticut, is a moderate spring month, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 56.8°F (13.8°C). In Cromwell, the average high-temperature increases, from a frosty 44.8°F (7.1°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 Cromwell, is an agreeable month, with average temperature varying between 49.8°F (9.9°C) and 68.2°F (20.1°C). In Cromwell, Connecticut, the average high-temperature rises, from a moderate 56.8°F (13.8°C) in April, to a pleasant 68.2°F (20.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Cromwell, Connecticut, with average temperature fluctuating between 57.4°F (14.1°C) and 76.1°F (24.5°C). In June, the average high-temperature slightly increases, from a pleasant 68.2°F (20.1°C) in May, to a moderately hot 76.1°F (24.5°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Cromwell, Connecticut, with average temperature ranging between max 82.9°F (28.3°C) and min 64°F (17.8°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C). In July, the average heat index is estimated at a hot 90°F (32.2°C). Weather in July »

Weather in August

August, the last month of the summer, in Cromwell, is another warm month, with average temperature varying between 63°F (17.2°C) and 81°F (27.2°C). In Cromwell, the average high-temperature is almost the same as in July - a still warm 81°F (27.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Cromwell, is also a moderately hot month, with average temperature varying between 56.3°F (13.5°C) and 73.6°F (23.1°C). In September, the average high-temperature slightly decreases, from a warm 81°F (27.2°C) in August, to a still moderately hot 73.6°F (23.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Cromwell, Connecticut, with average temperature ranging between max 61.7°F (16.5°C) and min 47.1°F (8.4°C). In October, the average high-temperature drops, from a warm 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 also a frosty month, with average temperature fluctuating between 36.7°F (2.6°C) and 49.3°F (9.6°C). In November, the average high-temperature decreases, from a comfortable 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 still a cold month, with average temperature ranging between min 29.1°F (-1.6°C) and max 39.7°F (4.3°C). In December, the average high-temperature drops, from a frosty 49.3°F (9.6°C) in November, to a cold 39.7°F (4.3°C). Weather in December »
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FAQ

What is the coldest month in Cromwell?

January is the coldest month in Cromwell, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 22.1°F (-5.5°C).

How much does it rain in Cromwell?

In Cromwell, Connecticut, during the entire year, the rain falls for 162.2 days and collects up to 34.13" (867mm) of precipitation.

When does it snow in Cromwell?

January through May, November and December are months with snowfall in Cromwell.

How much does it snow in Cromwell?

In Cromwell, during the entire year, snow falls for 29.4 days, and aggregates up to 14.76" (375mm) of snow.

What are the months with the lowest UV index in Cromwell?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cromwell, Connecticut.

What is the most humid month in Cromwell?

February is the most humid month, with an average relative humidity of 79%.

What is the month with the least sunshine in Cromwell?

February has the least sunshine of the year in Cromwell, Connecticut, with an average of 4.6h of sunshine.

What is the snowiest month in Cromwell?

March is the month with the most snowfall. Snow falls for 6.2 days and accumulates 4.13" (105mm) of snow.

What is the least humid month in Cromwell?

April is the least humid month in Cromwell, Connecticut, with an average relative humidity of 71%.

When it does not snow in Cromwell?

In Cromwell snow does not fall in June through October.

When are the longest days in Cromwell?

With an average of 15.2h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Cromwell?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Cromwell, Connecticut.

What is the warmest month in Cromwell?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C), July is the warmest month.

What is the month with the most sunshine in Cromwell?

July and August, with an average of 10.3h of sunshine, are months with the most sunshine.

What is the driest month in Cromwell?

The month with the least rainfall in Cromwell is September when the rain falls for 11.9 days and typically collects 1.89" (48mm) of precipitation.

What is the rainiest month in Cromwell?

The month with the most rainfall in Cromwell, Connecticut, is December when the rain falls for 11.9 days and typically aggregates up to 3.66" (93mm) of precipitation.

What is the month with the shortest days in Cromwell?

The month with the shortest days in Cromwell, Connecticut, is December, with an average of 9.2h of daylight.

Average pressure
Cromwell, CT

Average pressure - Cromwell, CT

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Cromwell, CT

Average wind speed - Cromwell, CT

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).

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Average rainfall
Cromwell, CT

Average rainfall - Cromwell, CT

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days
Cromwell, CT

Average rainfall days - Cromwell, CT

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).

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Average snowfall
Cromwell, CT

Average snowfall - Cromwell, CT

The month with the highest snowfall is March (4.13").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Cromwell, CT

Average snowfall days - Cromwell, CT

The month with the highest number of snowfall days is February (8.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Cromwell, CT

Average daylight / Average sunshine - Cromwell, CT

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Cromwell, CT

Average sunshine days - Cromwell, CT

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index
Cromwell, CT

Average UV index - Cromwell, CT

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Cromwell, CT

Average visibility - Cromwell, CT

Months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
Months with the lowest visibility are February, May, June and July (5mi).

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