Spokane Valley, WA Weather

Spokane Valley experiences a temperate climate , with a warm summer and rainy winter. Rainfall averages just over 26 inches annually, with December averaging the most rainfall with 3.5 inches and July the least with 0.6 inches. July is the hottest month of the year with an average temperature of 73.0 degrees fahrenheit and January is the coldest with an average temperature of 28.3 degrees fahrenheit.

Average Temperature
Jan
36 °F
2 °C
Feb
28 °F
-2 °C
Mar
43 °F
6 °C
Apr
55 °F
13 °C
May
68 °F
20 °C
Jun
73 °F
23 °C
Jul
77 °F
25 °C
Aug
81 °F
27 °C
Sep
68 °F
20 °C
Oct
52 °F
11 °C
Nov
43 °F
6 °C
Dec
37 °F
3 °C
Humidity
Jan
82%
Feb
76%
Mar
72%
Apr
64%
May
51%
Jun
55%
Jul
49%
Aug
44%
Sep
63%
Oct
62%
Nov
74%
Dec
80%
Rain
Jan
34mm
Feb
36mm
Mar
17mm
Apr
31mm
May
32mm
Jun
15mm
Jul
12mm
Aug
17mm
Sep
23mm
Oct
29mm
Nov
18mm
Dec
27mm
Clouds
Jan
72%
Feb
77%
Mar
46%
Apr
50%
May
29%
Jun
23%
Jul
15%
Aug
16%
Sep
41%
Oct
41%
Nov
47%
Dec
81%
Air quality US AQI
Jan
29
Feb
32
Mar
30
Apr
24
May
28
Jun
18
Jul
24
Aug
51
Sep
22
Oct
31
Nov
45
Dec
36
Sun
Jan
1UVI
Feb
1UVI
Mar
3UVI
Apr
4UVI
May
6UVI
Jun
7UVI
Jul
7UVI
Aug
7UVI
Sep
5UVI
Oct
3UVI
Nov
1UVI
Dec
1UVI