CLIMATE CHARTS
Saint Helens Rfd, Oregon
Latitude: 45.8489 Longitude: -122.8722
Elevation: 269 feet (82.0 meters)
Monthly Data Table for Saint Helens Rfd, Oregon
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
43.6 |
48.2 |
54.2 |
59.5 |
66.3 |
71.8 |
78.3 |
79.6 |
73.9 |
61.2 |
49.2 |
42.0 |
Minimum Temperature |
°F |
32.5 |
33.4 |
36.9 |
40.1 |
45.1 |
50.2 |
54.6 |
54.8 |
50.5 |
43.6 |
37.1 |
32.2 |
Heating Degree Days |
°F |
835 |
677 |
603 |
457 |
300 |
152 |
53 |
41 |
126 |
392 |
655 |
865 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
1 |
11 |
32 |
98 |
109 |
42 |
1 |
0 |
0 |
Precipitation |
in. |
6.96 |
4.98 |
4.87 |
3.56 |
2.92 |
1.98 |
0.72 |
0.92 |
1.79 |
3.65 |
7.07 |
7.22 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
6.4 |
9.0 |
12.3 |
15.3 |
19.1 |
22.1 |
25.7 |
26.4 |
23.3 |
16.2 |
9.6 |
5.6 |
Minimum Temperature |
°C |
0.3 |
0.8 |
2.7 |
4.5 |
7.3 |
10.1 |
12.6 |
12.7 |
10.3 |
6.4 |
2.8 |
0.1 |
Heating Degree Days |
°C |
464 |
376 |
335 |
254 |
167 |
84 |
29 |
23 |
70 |
218 |
364 |
481 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
1 |
6 |
18 |
54 |
61 |
23 |
1 |
0 |
0 |
Precipitation |
cm. |
17.68 |
12.65 |
12.37 |
9.04 |
7.42 |
5.03 |
1.83 |
2.34 |
4.55 |
9.27 |
17.96 |
18.34 |