Hartford, CT Climate in January

Temperature for January

In Hartford, CT during January the average high temperature is 36.9°F. The hottest day on record was January 6, 2007 when the temperature recorded was 71.1°F.

Hartford, CT daily average and extreme temperature range for January

Low Temperature

Overnight in January the average temperature drops below freezing at 22.5°F, with the lowest temperature of -10.8°F being recorded on January 22, 1984. On average there are 10 days in January when the temperature stays below freezing all day. In the worst January there were 20 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 13 and 31 times in January.

Precipitation for January

In January the average monthly rainfall in Hartford, CT is 1.14 inches with rain usually falling on between 3 and 4 days. 1980 was the driest January with only 0.00 inches of rain falling, and 2006 was the wettest January with 5.37 inches of rain. The wettest single day in January was 3 January 1999 when 1.95 inches of rain fell.

In January it usually snows on between 4 and 5 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.