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The tables below display average monthly climate and weather indicators in Astoria Oregon.
Temperature by: Fahrenheit / Centigrade
| Astoria Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
41.9 |
44.2 |
45.7 |
48.2 |
52.5 |
56.9 |
60.0 |
60.7 |
58.4 |
52.6 |
46.9 |
42.4 |
50.9 |
| Avg. Max Temperature |
47.8 |
51.0 |
53.2 |
56.0 |
60.1 |
64.1 |
67.5 |
68.8 |
67.8 |
61.1 |
53.5 |
48.2 |
58.3 |
| Avg. Min Temperature |
35.9 |
37.3 |
38.1 |
40.3 |
44.8 |
49.5 |
52.4 |
52.6 |
49.0 |
44.0 |
40.2 |
36.6 |
43.4 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
| Days with Min Temp Below Freezing |
9.0 |
6.0 |
6.0 |
2.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
4.0 |
8.0 |
36.0 |
| | |
| Astoria Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
716 |
582 |
598 |
504 |
388 |
243 |
157 |
141 |
201 |
384 |
543 |
701 |
5158 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
8.0 |
0.0 |
0.0 |
0.0 |
0.0 |
8.0 |
| | |
| Astoria Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
10.0 |
7.6 |
7.1 |
4.6 |
3.0 |
2.4 |
1.1 |
1.3 |
2.9 |
5.7 |
10.1 |
10.6 |
66.4 |
| Days with Precipitation 0.01 inch or More |
22.0 |
19.0 |
20.0 |
18.0 |
15.0 |
13.0 |
8.0 |
8.0 |
10.0 |
16.0 |
21.0 |
22.0 |
193 |
| Monthly Snowfall (inches) |
2.1 |
0.4 |
0.5 |
0.0 |
< 0.05 |
< 0.05 |
0.0 |
0.0 |
< 0.05 |
< 0.05 |
0.2 |
1.1 |
4.3 |
| | |
| Other Astoria Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
9.2 |
9.0 |
8.8 |
8.7 |
8.5 |
8.6 |
8.7 |
8.0 |
7.5 |
7.5 |
8.6 |
9.1 |
8.5 |
| Clear Days |
5.0 |
6.0 |
3.0 |
3.0 |
8.0 |
2.0 |
5.0 |
6.0 |
1.0 |
2.0 |
1.0 |
3.0 |
38.0 |
| Partly Cloudy Days |
8.0 |
4.0 |
5.0 |
5.0 |
6.0 |
7.0 |
9.0 |
6.0 |
2.0 |
4.0 |
2.0 |
2.0 |
55.0 |
| Cloudy Days |
15.0 |
15.0 |
2.0 |
19.0 |
14.0 |
12.0 |
10.0 |
8.0 |
2.0 |
5.0 |
8.0 |
3.0 |
114 |
| Avg. Relative Humidity |
65.5 |
82.0 |
80.5 |
79.5 |
79.5 |
79.5 |
80.0 |
80.5 |
80.5 |
80.0 |
80.0 |
82.0 |
84.0 |
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