Annual mean 11°C · wettest around January · prevailing wind SW
Warmest
20.8 °C
Coldest
6.8 °C
Wettest
38%
Windiest
3.9 m/s
Prevailing
SW
3.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Astoria over the whole year is 11°C. August is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 4°C. The rainy (wet) season in Astoria runs from October to April, peaking in January with a 41% chance of rain on a given day. The dry season is May to September; July is the driest month, at 17%. Winds in Astoria are highest in January, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Astoria come in August, when the sky is typically 51% covered; February is the cloudiest month, at 73%.
Month by month Astoria climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
8°C
5°C
4°C
41%
71%
3.1 m/s
0
0
29
February
7°C
4°C
4°C
40%
73%
2.9 m/s
1
0
27
March
10°C
5°C
6°C
37%
66%
2.8 m/s
3
0
43
April
12°C
7°C
9°C
32%
62%
3.0 m/s
11
0
64
May
15°C
10°C
13°C
26%
62%
2.8 m/s
31
3
82
June
17°C
12°C
16°C
23%
58%
2.9 m/s
52
6
83
July
19°C
14°C
19°C
17%
51%
2.8 m/s
82
13
79
August
20°C
15°C
20°C
17%
51%
2.6 m/s
85
19
73
September
19°C
13°C
18°C
24%
53%
2.3 m/s
77
7
83
October
15°C
10°C
13°C
32%
59%
2.5 m/s
31
0
82
November
10°C
7°C
7°C
41%
67%
3.0 m/s
4
0
51
December
8°C
5°C
4°C
41%
73%
3.0 m/s
0
0
28
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Astoria weather by season
Year round, Astoria has days of about 7°C at their warmest in February, its coolest month, and 20°C in August, its warmest; the coolest hours of the day run from 4°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Astoria weather in winterDecember to February
High 7°CLow 5°CRain 41%
Winter in Astoria has typical daily highs of about 7°C and lows of about 5°C, with a 41% chance of rain on a given day.
Astoria weather in springMarch to May
High 12°CLow 7°CRain 32%
Spring in Astoria has typical daily highs of about 12°C and lows of about 7°C, with a 32% chance of rain on a given day.
Astoria weather in summerJune to August
High 19°CLow 14°CRain 19%
Summer in Astoria has typical daily highs of about 19°C and lows of about 14°C, with a 19% chance of rain on a given day.
Astoria weather in autumnSeptember to November
High 14°CLow 10°CRain 32%
Autumn in Astoria has typical daily highs of about 14°C and lows of about 10°C, with a 32% chance of rain on a given day.
When is the rainy season in Astoria?
The rainy (wet) season in Astoria runs from October to April, peaking in January with a 41% chance of rain on a given day. The dry season is May to September; July is the driest month, at 17%.
What time of year is Astoria windiest?
Winds in Astoria are highest in January, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Astoria year round?
The average temperature in Astoria over the whole year is 11°C. August is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 4°C.