Annual mean 13°C · wettest around January · prevailing wind W
Warmest
21.4 °C
Coldest
13.5 °C
Wettest
36%
Windiest
5.1 m/s
Prevailing
W
3.8 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 Seaside over the whole year is 13°C. September is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 7°C. The rainy (wet) season in Seaside runs from November to April, peaking in January with a 37% chance of rain on a given day. The dry season is May to October; July is the driest month, at 6%. Winds in Seaside are highest in May, averaging 3.3 m/s (12 km/h), and lightest in November, at 2.1 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Seaside come in October, when the sky is typically 26% covered; May is the cloudiest month, at 44%.
Month by month Seaside 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
14°C
7°C
11°C
37%
35%
2.3 m/s
22
0
83
February
15°C
7°C
12°C
36%
30%
2.6 m/s
28
0
78
March
15°C
8°C
12°C
35%
41%
2.8 m/s
27
1
82
April
16°C
9°C
13°C
23%
37%
3.0 m/s
34
2
85
May
18°C
11°C
14°C
20%
44%
3.3 m/s
42
3
87
June
19°C
13°C
16°C
7%
36%
3.3 m/s
57
8
82
July
20°C
13°C
17°C
6%
44%
3.1 m/s
67
10
81
August
20°C
13°C
18°C
7%
42%
2.9 m/s
73
13
75
September
21°C
13°C
18°C
9%
35%
2.6 m/s
72
14
74
October
20°C
11°C
18°C
19%
26%
2.2 m/s
69
13
76
November
17°C
8°C
15°C
28%
26%
2.1 m/s
54
2
88
December
14°C
7°C
12°C
32%
31%
2.1 m/s
23
0
84
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 Seaside weather by season
Year round, Seaside has days of about 14°C at their warmest in January, its coolest month, and 21°C in September, its warmest; the coolest hours of the day run from 7°C to 13°C through the year, and the average temperature over the year is 13°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.
Seaside weather in winterDecember to February
High 14°CLow 7°CRain 35%
Winter in Seaside has typical daily highs of about 14°C and lows of about 7°C, with a 35% chance of rain on a given day.
Seaside weather in springMarch to May
High 16°CLow 9°CRain 26%
Spring in Seaside has typical daily highs of about 16°C and lows of about 9°C, with a 26% chance of rain on a given day.
Seaside weather in summerJune to August
High 20°CLow 13°CRain 7%
Summer in Seaside has typical daily highs of about 20°C and lows of about 13°C, with a 7% chance of rain on a given day.
Seaside weather in autumnSeptember to November
High 19°CLow 11°CRain 19%
Autumn in Seaside has typical daily highs of about 19°C and lows of about 11°C, with a 19% chance of rain on a given day.
When is the rainy season in Seaside?
The rainy (wet) season in Seaside runs from November to April, peaking in January with a 37% chance of rain on a given day. The dry season is May to October; July is the driest month, at 6%.
What time of year is Seaside windiest?
Winds in Seaside are highest in May, averaging 3.3 m/s (12 km/h), and lightest in November, at 2.1 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Seaside year round?
The average temperature in Seaside over the whole year is 13°C. September is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 7°C.