Washington, DC weather in January 1999

Temperature for January 1999

In January 1999 the average high temperature in Washington, DC was 48.0°F, and this was 3.1°F warmer than the average of 44.9°F. The hottest day in January 1999 was 24 January when the temperature reached 71.1°F. Overnight the average temperature in January is 28.9°F and in 1999 the average overnight temperature was 1.6°F warmer at 30.5°F.

Precipitation for January 1999

In January the average monthly rainfall in Washington, DC is 1.96 inches with rain usually falling on 9 days. In January 1999 there was a total of 5.43 inches of rain, that fell on 12 days.