Tumwater, Washington gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Tumwater averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 137 sunny days per year in Tumwater. The US average is 205 sunny days.
Tumwater gets some kind of precipitation, on average, 163 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 78 degrees
Winter Low: the January low is 34
Rain: averages 50 inches of rain a year
Snow: averages 6 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Tumwater is 7.1 (10=best), which means it is about average compared to other places in Washington.
7.1 / 10
July, August and September are the most pleasant months in Tumwater, while December and January are the least comfortable months.