January 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 in Hartford, Connecticut, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 17.8°F (-7.9°C).

What is the temperature in January in Hartford?

In Hartford, Connecticut, in January, the average high-temperature is 34.5°F (1.4°C), and the average low-temperature is 17.8°F (-7.9°C).

How much does it rain in Hartford in January?

In Hartford, in January, it is raining for 10.8 days, with typically 3.2" (82mm) of accumulated precipitation.

How much does it snow in Hartford in January?

In Hartford, Connecticut, in January, during 5.8 snowfall days, typically 12.3" (312.4mm) of snow is accumulated.

When does it snow the most in Hartford?

January is the month with the most snowfall. Snow falls for 5.8 days and accumulates 12.3" (312.4mm) of snow.
Average temperature in January - Hartford, CT
  • Average high temperature in January: 1.4°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (1.4°C).

  • Average low temperature in January: -7.9°C

The month with the highest average low temperature is July (17.1°C).
The coldest month (with the lowest average low temperature) is January (-7.9°C).

Average humidity in January - Hartford, CT
  • Average humidity in January: 63.9%

The month with the highest relative humidity is September (72.9%).
The month with the lowest relative humidity is April (58%).

Average rainfall in January - Hartford, CT
  • Average rainfall in January: 82mm

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

Average rainfall days in January - Hartford, CT
  • Average rainfall days in January: 10.8 days

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 in January - Hartford, CT
  • Average snowfall in January: 312.4mm

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 in January - Hartford, CT
  • Average snowfall days in January: 5.8 days

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 in January / Average sunshine in January - Hartford, CT
  • Average daylight in January: 9.6h

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

  • Average sunshine in January: 5.5h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in January - Hartford, CT
  • Average UV index in January: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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