Monthly weather forecast and climate
Hartford, CT

The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides
The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides

Weather in January

January, the same as December, is another cold winter month in Hartford, Connecticut, with average temperature ranging between min 21.4°F (-5.9°C) and max 33.1°F (0.6°C). With an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°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 Hartford, Connecticut, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 35.8°F (2.1°C). In February, the average high-temperature is practically the same as in January - a still wintry 35.8°F (2.1°C). Weather in February »

Weather in March

March, the first month of the spring, in Hartford, is a frosty month, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 29.5°F (-1.4°C). In March, the average high-temperature marginally rises, from a cold 35.8°F (2.1°C) in February, to a frosty 43.9°F (6.6°C). Weather in March »

Weather in April

April in Hartford, Connecticut, is a mild spring month, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 39.9°F (4.4°C). In April, the average high-temperature increases, from a chilly 43.9°F (6.6°C) in March, to a moderate 56.5°F (13.6°C). Weather in April »

Weather in May

May, the last month of the spring, in Hartford, is an agreeable month, with average temperature fluctuating between 49.5°F (9.7°C) and 68.7°F (20.4°C). In Hartford, the average high-temperature in May increases, from a mild 56.5°F (13.6°C) in April, to an agreeable 68.7°F (20.4°C). Weather in May »

Weather in June

June, the first month of the summer, in Hartford, is a warm month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 56.8°F (13.8°C). In June, the average high-temperature slightly increases, from a pleasant 68.7°F (20.4°C) in May, to a warm 76.5°F (24.7°C). Weather in June »

Weather in July

July, like June, in Hartford, Connecticut, is a moderately hot summer month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 63.7°F (17.6°C). July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 63.7°F (17.6°C). The average heat index in July is calculated to a hot 89.4°F (31.9°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hartford, Connecticut, with average temperature fluctuating between 81°F (27.2°C) and 62.2°F (16.8°C). In Hartford, the average high-temperature in August is relatively the same as in July - a still moderately hot 81°F (27.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hartford, Connecticut, with average temperature fluctuating between 73.4°F (23°C) and 55.2°F (12.9°C). In Hartford, Connecticut, the average high-temperature marginally drops, from 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 comfortable autumn month in Hartford, Connecticut, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 61.2°F (16.2°C). In October, the average high-temperature drops, from a warm 73.4°F (23°C) in September, to an enjoyable 61.2°F (16.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Hartford, Connecticut, with average temperature ranging between max 48.9°F (9.4°C) and min 36°F (2.2°C). In November, the average high-temperature decreases, from a comfortable 61.2°F (16.2°C) in October, to a frosty 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Hartford, is also a wintry month, with average temperature varying between 27.7°F (-2.4°C) and 38.5°F (3.6°C). In December, the average high-temperature decreases, from a frosty 48.9°F (9.4°C) in November, to a cold 38.5°F (3.6°C). Weather in December »
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FAQ

What is the coldest month in Hartford?

With an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°C), January is the coldest month in Hartford, Connecticut.

How much does it rain in Hartford?

Throughout the year, there are 113.2 rainfall days, and 10.24" (260mm) of precipitation is accumulated.

When does it snow in Hartford?

Months with snowfall in Hartford, Connecticut, are January through May, November and December.

How much does it snow in Hartford?

In Hartford, during the entire year, snow falls for 21.5 days, and aggregates up to 4.45" (113mm) of snow.

What is the month with the lowest UV index in Hartford?

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 Hartford?

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

What is the snowiest month in Hartford?

The month with the most snowfall in Hartford, Connecticut, is February when snow falls for 5.7 days and typically aggregates up to 1.14" (29mm) of snow.

What is the month with the least sunshine in Hartford?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

What is the least humid month in Hartford?

April is the least humid month in Hartford, Connecticut, with an average relative humidity of 70%.

What is the rainiest month in Hartford?

The wettest months in Hartford, Connecticut, are June and July, with an average 1.06" (27mm) of rainfall.

When it does not snow in Hartford?

In Hartford, Connecticut, snow does not fall in June through October.

When are the longest days in Hartford?

The month with the longest days in Hartford is June, with an average of 15.2h of daylight.

When is the highest UV index in Hartford?

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

What is the warmest month in Hartford?

July is the warmest month in Hartford, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 63.7°F (17.6°C).

What is the month with the most sunshine in Hartford?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Hartford.

What is the driest month in Hartford?

September is the month with the least rainfall in Hartford, Connecticut. Rain falls for 8.2 days and accumulates 0.43" (11mm) of precipitation.

What is the month with the shortest days in Hartford?

With an average of 9.2h of daylight, December has the shortest days of the year.

Average pressure
Hartford, CT

Average pressure - Hartford, CT

The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed
Hartford, CT

Average wind speed - Hartford, CT

The windiest months (with the highest average wind speed) are January and March (13.1km/h).
The calmest months (with the lowest average wind speed) are July and August (8.5km/h).

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Average rainfall
Hartford, CT

Average rainfall - Hartford, CT

The wettest months (with the highest rainfall) are June and July (27mm).
The driest month (with the least rainfall) is September (11mm).

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Average rainfall days
Hartford, CT

Average rainfall days - Hartford, CT

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall
Hartford, CT

Average snowfall - Hartford, CT

The month with the highest snowfall is February (29mm).
Months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days
Hartford, CT

Average snowfall days - Hartford, CT

The month with the highest number of snowfall days is February (5.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Hartford, CT

Average daylight / Average sunshine - Hartford, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Hartford, CT

Average sunshine days - Hartford, CT

Months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).

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Average UV index
Hartford, CT

Average UV index - Hartford, 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
Hartford, CT

Average visibility - Hartford, CT

Months with the highest visibility are January, March, April, October, November and December (9km).
Months with the lowest visibility are February, May, June, July, August and September (8km).

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