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

What is the coldest month in Hartford?

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).

How much does it rain in Hartford?

In Hartford, during the entire year, the rain falls for 130 days and collects up to 45.9" (1164.6mm) of precipitation.

When does it snow in Hartford?

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

How many days does it snow in Hartford?

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

What is the snowiest month in Hartford?

January is the month with the most snowfall. Snow falls for 5.8 days and accumulates 12.3" (312.4mm) of snow.

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

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

What is the driest month in Hartford?

The month with the least rainfall in Hartford 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?

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

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

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

What is the warmest month in Hartford?

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

What is the most humid month in Hartford?

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

What is the rainiest month in Hartford?

October is the month with the most rainfall in Hartford, Connecticut. Rain falls for 10.2 days and accumulates 4.4" (111mm) of precipitation.
Average temperature - Hartford, CT
Average humidity - Hartford, CT
Average rainfall - Hartford, CT

Wettest months (with the highest rainfall) are May, June and October (4.4").
The driest month (with the lowest rainfall) is February (2.9").

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
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
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