Washington July-January Average Temperature
Degrees Fahrenheit
1901-1931
-99
189601
45.7
-0.6
189701
46.0
-0.3
189801
45.4
-0.9
189901
46.1
-0.2
190001
48.0
1.7
190101
46.2
-0.1
190201
47.3
1.0
190301
46.1
-0.2
190401
45.9
-0.4
190501
48.4
2.1
190601
46.2
-0.1
190701
46.3
0.0
190801
47.4
1.1
190901
45.7
-0.6
191001
45.0
-1.3
191101
46.3
0.0
191201
45.5
-0.8
191301
45.0
-1.3
191401
47.1
0.8
191501
45.9
-0.4
191601
45.0
-1.3
191701
43.9
-2.4
191801
49.1
2.8
191901
47.7
1.4
192001
44.8
-1.5
192101
47.2
0.9
192201
44.5
-1.8
192301
46.5
0.2
192401
47.5
1.2
192501
45.8
-0.5
192601
47.8
1.5
192701
46.6
0.3
192801
46.0
-0.3
192901
45.4
-0.9
193001
45.1
-1.2
193101
47.1
0.8