Washington, DC weather in January 1978

Temperature for January 1978

In January 1978 the average high temperature in Washington, DC was 40.3°F, and this was 4.6°F cooler than the average of 44.9°F. The hottest day in January 1978 was 9 January when the temperature reached 62.1°F. Overnight the average temperature in January is 28.9°F and in 1978 the average overnight temperature was 5.5°F cooler at 23.4°F.

Precipitation for January 1978

In January the average monthly rainfall in Washington, DC is 1.96 inches with rain usually falling on 9 days. In January 1978 there was a total of 7.65 inches of rain, that fell on 12 days.