Richland, Washington
ID: USC00457015 Latitude: 46.3119 Longitude: -119.2633
Elevation: 373 feet ( 113.7 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 7.29 in., 2.87 cm.
Monthly Data Table for Richland, Washington
Monthly Data from NOAA Monthly Normals 2006-2020
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
40.5 |
47.0 |
56.4 |
64.8 |
74.4 |
80.5 |
90.1 |
88.4 |
78.7 |
64.1 |
49.4 |
38.9 |
Minimum Temperature |
°F |
28.6 |
29.7 |
34.9 |
41.1 |
48.5 |
55.2 |
60.9 |
59.8 |
52.3 |
42.3 |
33.5 |
27.1 |
Heating Degree Days |
°F |
944.0 |
746.1 |
599.9 |
362.9 |
146.4 |
35.3 |
1.4 |
2.2 |
66.8 |
370.3 |
706.5 |
991.8 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.0 |
1.5 |
36.3 |
120.9 |
326.7 |
284.2 |
81.8 |
4.6 |
0.0 |
0.0 |
Precipitation |
I |
1.0 |
0.6 |
0.7 |
0.5 |
0.6 |
0.6 |
0.1 |
0.1 |
0.3 |
0.6 |
0.8 |
1.0 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
4.7 |
8.3 |
13.6 |
18.2 |
23.6 |
26.9 |
32.3 |
31.3 |
25.9 |
17.8 |
9.7 |
3.8 |
Minimum Temperature |
°C |
-1.9 |
-1.3 |
1.6 |
5.1 |
9.2 |
12.9 |
16.1 |
15.4 |
11.3 |
5.7 |
0.8 |
-2.7 |
Heating Degree Days |
°C |
506.7 |
396.7 |
315.5 |
183.8 |
63.6 |
1.8 |
-17.0 |
-16.6 |
19.3 |
187.9 |
374.7 |
533.2 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.8 |
-16.9 |
2.4 |
49.4 |
163.7 |
140.1 |
27.7 |
-15.2 |
-17.8 |
-17.8 |
Precipitation |
M |
2.6 |
1.6 |
1.8 |
1.2 |
1.6 |
1.4 |
0.2 |
0.2 |
0.7 |
1.5 |
2.0 |
2.6 |