Hartford
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Hartford, CT

Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
January, like December, in Hartford, Connecticut, is a wintry winter month, with average temperature fluctuating between 34.5°F (1.4°C) and 17.8°F (-7.9°C). January is the coldest month, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 17.8°F (-7.9°C). Weather in January »

The last month of the winter, February, is another cold month in Hartford, Connecticut, with temperature in the range of an average low of 20.8°F (-6.2°C) and an average high of 38.5°F (3.6°C). In February, the average high-temperature is essentially the same as in January - a still cold 38.5°F (3.6°C). Weather in February »

The first month of the spring, March, is a frosty month in Hartford, Connecticut, with average temperature ranging between min 27.9°F (-2.3°C) and max 47.7°F (8.7°C). In Hartford, Connecticut, the average high-temperature in March rises, from a cold 38.5°F (3.6°C) in February, to a chilly 47.7°F (8.7°C). Weather in March »

April is a mild spring month in Hartford, Connecticut, with average temperature fluctuating between 38.5°F (3.6°C) and 60.4°F (15.8°C). In Hartford, the average high-temperature rises, from a frosty 47.7°F (8.7°C) in March, to a mild 60.4°F (15.8°C). Weather in April »

The last month of the spring, May, is a pleasant month in Hartford, Connecticut, with average temperature varying between 71.2°F (21.8°C) and 47.7°F (8.7°C). In May, the average high-temperature rises, from a moderate 60.4°F (15.8°C) in April, to a pleasant 71.2°F (21.8°C). Weather in May »

The first month of the summer, June, is a warm month in Hartford, Connecticut, with average temperature fluctuating between 79.5°F (26.4°C) and 57.4°F (14.1°C). In June, the average high-temperature marginally rises, from a pleasant 71.2°F (21.8°C) in May, to a warm 79.5°F (26.4°C). Weather in June »

July, the same as June, is another warm summer month in Hartford, Connecticut, with average temperature ranging between min 62.8°F (17.1°C) and max 84.6°F (29.2°C). July is the warmest month, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 62.8°F (17.1°C). In July, the average heat index is appraised at a hot 91°F (32.8°C). Weather in July »

August, the last month of the summer, in Hartford, is also a moderately hot month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 61.2°F (16.2°C). In Hartford, the average high-temperature is essentially the same as in July - a still warm 82.8°F (28.2°C). Weather in August »

September, the first month of the autumn, in Hartford, is still a warm month, with average temperature varying between 74.8°F (23.8°C) and 52.7°F (11.5°C). In Hartford, the average high-temperature marginally drops, from a moderately hot 82.8°F (28.2°C) in August, to a still warm 74.8°F (23.8°C). Weather in September »

October, like September, in Hartford, Connecticut, is another enjoyable autumn month, with average temperature fluctuating between 41.2°F (5.1°C) and 63.1°F (17.3°C). In Hartford, the average high-temperature in October drops, from a moderately hot 74.8°F (23.8°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

November, the last month of the autumn, in Hartford, is also a fresh month, with temperature in the range of an average high of 51.6°F (10.9°C) and an average low of 33.3°F (0.7°C). In Hartford, the average high-temperature drops, from an enjoyable 63.1°F (17.3°C) in October, to a cool 51.6°F (10.9°C). Weather in November »

December, the first month of the winter, in Hartford, is also a wintry month, with average temperature varying between 23.4°F (-4.8°C) and 39.7°F (4.3°C). In Hartford, the average high-temperature drops, from a cool 51.6°F (10.9°C) in November, to a cold 39.7°F (4.3°C). Weather in December »

What is the coldest month in Hartford?

The coldest month is January, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 17.8°F (-7.9°C).

How much does it rain in Hartford?

Throughout the year, there are 130 rainfall days, and 45.9" (1164.6mm) of precipitation is accumulated.

When does it snow in Hartford?

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

How much does it snow in Hartford?

Throughout the year, there are 20.1 snowfall days, and 40.5" (1028.8mm) of snow is accumulated.

When does it snow the most in Hartford?

The month with the most snowfall is January when snow falls for 5.8 days and typically aggregates up to 12.3" (312.4mm) of snow.

When is the lowest UV index in Hartford?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month in Hartford?

The month with the least rainfall is February when the rain falls for 9.7 days and typically collects 2.9" (73.4mm) of precipitation.

What is the least humid month in Hartford?

The least humid month in Hartford is April, with an average relative humidity of 58%.

When it does not snow in Hartford?

In Hartford snow does not fall in May through October.

When are the longest days in Hartford?

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

What are the months with the highest UV index in Hartford?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the warmest month in Hartford?

With an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 62.8°F (17.1°C), July is the warmest month.

What month has the most sunshine in Hartford?

The month with the most sunshine in Hartford is July, with an average of 9.5h of sunshine.

What is the most humid month in Hartford?

With an average relative humidity of 72.9%, September is the most humid month.

What is the rainiest month in Hartford?

October is the month with the most rainfall. Rain falls for 10.2 days and accumulates 4.4" (111mm) 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 in Hartford.

What is the month with the least sunshine in Hartford?

December has the least sunshine of the year in Hartford, Connecticut, with an average of 4.5h of sunshine.
Average humidity - Hartford, CT
Average rainfall - Hartford, CT

The wettest month (with the highest rainfall) is October (111mm).
The driest month (with the lowest rainfall) is February (73.4mm).

Average rainfall days - Hartford, CT

The month with the highest number of rainy days is May (12.8 days).
The month with the lowest number of rainy days is February (9.7 days).

Average snowfall - Hartford, CT

The month with the highest snowfall is January (312.4mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average snowfall days - Hartford, CT

The month with the highest number of snowfall days is January (5.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Hartford, CT