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 varying between 33.1°F (0.6°C) and 21.4°F (-5.9°C). The coldest month is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°C). Weather in January »

The last month of the winter, February, is also a wintry month in Hartford, Connecticut, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 21.6°F (-5.8°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 »

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

April is a mild spring month in Hartford, Connecticut, with average temperature ranging between min 39.9°F (4.4°C) and max 56.5°F (13.6°C). In Hartford, the average high-temperature in April increases, from a frosty 43.9°F (6.6°C) in March, to a moderate 56.5°F (13.6°C). Weather in April »

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

June, the first month of the summer, in Hartford, is a moderately hot month, with average temperature fluctuating between 76.5°F (24.7°C) and 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 moderately hot 76.5°F (24.7°C). Weather in June »

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

The last month of the summer, August, is another warm 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 is essentially the same as in July - a still warm 81°F (27.2°C). Weather in August »

September, the first month of the autumn, in Hartford, is also a moderately hot month, with average temperature varying between 73.4°F (23°C) and 55.2°F (12.9°C). In Hartford, the average high-temperature in September slightly decreases, from a moderately hot 81°F (27.2°C) in August, to a still warm 73.4°F (23°C). Weather in September »

October, like September, in Hartford, Connecticut, is another comfortable autumn month, with average temperature ranging between max 61.2°F (16.2°C) and min 46.8°F (8.2°C). In October, the average high-temperature decreases, from a warm 73.4°F (23°C) in September, to a comfortable 61.2°F (16.2°C). Weather in October »

November, the last month of the autumn, in Hartford, is also a frosty month, with average temperature fluctuating between 48.9°F (9.4°C) and 36°F (2.2°C). In November, the average high-temperature drops, from an enjoyable 61.2°F (16.2°C) in October, to a frosty 48.9°F (9.4°C). Weather in November »

The first month of the winter, December, is also a wintry month in Hartford, Connecticut, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 38.5°F (3.6°C). In December, the average high-temperature drops, from a chilly 48.9°F (9.4°C) in November, to a wintry 38.5°F (3.6°C). Weather in December »

What is the coldest month in Hartford?

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

How much does it rain in Hartford?

In Hartford, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.

When does it snow in Hartford?

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

How many days does it snow in Hartford?

Throughout the year, in Hartford, there are 21.5 snowfall days, and 4.45" (113mm) of snow is accumulated.

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

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 in Hartford?

The most humid month in Hartford is February, with an average relative humidity of 79%.

What is the snowiest month in Hartford?

The month with the most snowfall in Hartford 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?

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

What is the least humid month in Hartford?

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

What is the wettest month in Hartford?

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

When it does not snow in Hartford?

In Hartford snow does not fall in June 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.

When is the highest UV index in Hartford?

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

What is the warmest month in Hartford?

The warmest month in Hartford is July, 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?

Months with the most sunshine are July and August, with an average of 10.4h of sunshine.

What is the driest month in Hartford?

The month with the least rainfall in Hartford is September when the rain falls for 8.2 days and typically collects 0.43" (11mm) of precipitation.

What is the month with the shortest days in Hartford?

The month with the shortest days is December, with an average of 9.2h of daylight.
Average temperature - Hartford, CT
Average rainfall - Hartford, CT

Wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the lowest rainfall) is September (0.43").

Average rainfall days - Hartford, CT

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

Average snowfall - Hartford, CT

The month with the highest snowfall is February (1.14").
Months with the lowest snowfall are June, July, August, September and October (0").

Average snowfall days - Hartford, CT

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

Average daylight / Average sunshine - Hartford, CT

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

Months with most sunshine are July and August (Average sunshine: 10.4h).
The month with least sunshine is February (Average sunshine: 4.6h).

Average UV index - Hartford, CT