Portland, ME Climate in January

Temperature for January

In Portland, ME during January the average high temperature is 33.2°F. The hottest day on record was January 7, 2007 when the temperature recorded was 66.9°F.

Portland, ME daily average and extreme temperature range for January

Low Temperature

Overnight in January the average temperature drops below freezing at 13.1°F, with the lowest temperature of -20.0°F being recorded on January 11, 1976. On average there are 14 days in January when the temperature stays below freezing all day. In the worst January there were 26 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 26 and 31 times in January.

Precipitation for January

In January the average monthly rainfall in Portland, ME is 3.80 inches with rain usually falling on between 6 and 7 days. 2004 was the driest January with only 0.22 inches of rain falling, and 1979 was the wettest January with 11.60 inches of rain. The wettest single day in January was 11 January 1977 when 3.50 inches of rain fell.

In January it usually snows on between 11 and 12 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.