Astoria Weather Information
Astoria historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 34.39%
Annual chance of sunshine: 34.39%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
22.58%
3
4
24
February
21.43%
3
3
22
March
25.81%
3
5
23
April
30.00%
3
6
21
May
35.48%
3
8
20
June
34.48%
3
7
19
July
51.61%
6
10
15
August
51.61%
6
10
15
September
51.72%
8
7
14
October
38.71%
5
7
19
November
26.67%
3
5
22
December
22.58%
3
4
24
Temperature
JULY HIGH 67.2° - JANUARY LOW 36.7°
Month
Average
Max Average
Min Average
January
42.4°
48.1°
36.7°
February
44.2°
50.8°
37.6°
March
46°
53.3°
38.6°
April
48.5°
56.1°
40.8°
May
52.7°
60°
45.4°
June
56.7°
63.6°
49.8°
July
60.1°
67.2°
52.9°
August
60.8°
68.3°
53.2°
September
58.5°
67.5°
49.5°
October
52.6°
61°
44.1°
November
46.6°
53.1°
40.1°
December
42.8°
48.4°
37.1°
Rainfall
Average Annual Rainfall 67.13 inches
Month
Average Rainfall
January
9.62 Inches
February
7.87 Inches
March
7.37 Inches
April
4.93 Inches
May
3.28 Inches
June
2.57 Inches
July
1.16 Inches
August
1.21 Inches
September
2.61 Inches
October
5.61 Inches
November
10.5 Inches
December
10.4 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
695
0
February
583
0
March
573
0
April
492
0
May
375
1
June
244
2
July
151
4
August
130
7
September
197
7
October
386
1
November
542
0
December
688
0