Home

Three Rivers, OR Weather


Three Rivers, OR climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is August with an average maximum temperature of 9.99 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 9.99 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 34 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Three Rivers is 9.99 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is December with an average rainfall of 3.56 Inches.

Normal Climate

Normal Temperatures

(WICKIUP DAM Weather station, 9.99 miles from Three Rivers)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 38.6 42.4 47.2 53.3 61.7 70.3 79.5 80.0 72.9 61.8 45.3 38.6 57.6
Mean °F 28.8 31.8 36.2 41.5 48.8 56.3 63.1 62.8 55.7 46.8 36.2 29.6 44.8
Min °F 18.9 21.2 25.1 29.6 35.8 42.2 46.7 45.5 38.5 31.8 27.1 20.5 31.9

Normal Precipitation

(WICKIUP DAM Weather station, 9.99 miles from Three Rivers)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.46 2.59 2.01 1.32 1.17 1.01 0.81 0.84 0.81 1.33 3.12 3.56 9.99