Portland, ME weather in December 1977

Temperature for December 1977

In December 1977 the average high temperature in Portland, ME was 36.3°F, and this was 2.8°F cooler than the average of 39.2°F. The hottest day in December 1977 was 26 December when the temperature reached 52.0°F. Overnight the average temperature in December is 19.5°F and in 1977 the average overnight temperature was 3.1°F cooler at 16.4°F.

Precipitation for December 1977

In December the average monthly rainfall in Portland, ME is 4.26 inches with rain usually falling on 8 days. In December 1977 there was a total of 6.93 inches of rain, that fell on 9 days.