August in Washington was drier than normal and slightly cooler. According to the National Weather Service, the normal rainfall in Washington in the eighth month of the year is 4.2 inches and last month only 2.2 inches of rain was observed. The normal average temperature in August is 72.4 degrees and this year it was 71.3 degrees. So far this year the total precipitation has been 27.68 inches, above the normal 25.9 inches. Listen to KCII for weather updates.