CLIMATE CHARTS
Portland Troutdale Ap, Oregon
Latitude: 45.5511 Longitude: -122.4089
Elevation: 28.9 feet (8.8 meters)
Monthly Data Table for Portland Troutdale Ap, Oregon
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
45.8 |
49.8 |
56.3 |
61.7 |
68.4 |
74.2 |
81.4 |
82.1 |
76.0 |
64.0 |
52.5 |
44.6 |
Minimum Temperature |
°F |
33.8 |
35.5 |
38.5 |
41.2 |
46.3 |
50.6 |
54.0 |
53.8 |
49.5 |
43.7 |
38.7 |
33.3 |
Heating Degree Days |
°F |
781 |
626 |
546 |
407 |
253 |
120 |
33 |
29 |
110 |
348 |
582 |
807 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
1 |
16 |
42 |
116 |
121 |
42 |
2 |
0 |
0 |
Precipitation |
in. |
6.18 |
5.09 |
4.64 |
3.85 |
2.94 |
2.42 |
0.74 |
0.86 |
1.85 |
3.95 |
7.28 |
7.17 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
7.7 |
9.9 |
13.5 |
16.5 |
20.2 |
23.4 |
27.4 |
27.8 |
24.4 |
17.8 |
11.4 |
7.0 |
Minimum Temperature |
°C |
1.0 |
1.9 |
3.6 |
5.1 |
7.9 |
10.3 |
12.2 |
12.1 |
9.7 |
6.5 |
3.7 |
0.7 |
Heating Degree Days |
°C |
434 |
348 |
303 |
226 |
141 |
67 |
18 |
16 |
61 |
193 |
323 |
448 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
1 |
9 |
23 |
64 |
67 |
23 |
1 |
0 |
0 |
Precipitation |
cm. |
15.70 |
12.93 |
11.79 |
9.78 |
7.47 |
6.15 |
1.88 |
2.18 |
4.70 |
10.03 |
18.49 |
18.21 |