Weather statistics for Tri Cities, Washington (United States)

Sunnyside (WA) weather station: 228 m.a.s.l., 62.0 km away from Tri Cities

Average temperature per month

Graph explanation.

Explaination to the graph:
Max temperature: Average max daily (24h) temperature per month
Minimum temperature: Average minimum daily (24h) temperature per month
Average temperature: Average daily (24h) temperature per month.
The temperature normals are measured in the period 1961–1990.
Les mer om normaler her

Source: WMO
Tabular view for temperature and precipitation per month
Months Normal Warmest Coldest
January 0.1°C 4.4°C -4.3°C
February 3.6°C 9.2°C -2.1°C
March 7.6°C 14.6°C 0.6°C
April 11.2°C 18.8°C 3.6°C
May 15.4°C 23.6°C 7.3°C
June 19.7°C 28.0°C 11.4°C
July 22.3°C 31.7°C 12.9°C
August 21.9°C 31.3°C 12.4°C
September 17.2°C 26.3°C 8.2°C
October 11.1°C 19.5°C 2.7°C
November 4.9°C 10.3°C -0.4°C
December 0.2°C 4.3°C -3.9°C