Annual mean 17°C · wettest around March · prevailing wind W
Warmest
28.6 °C
Coldest
16.9 °C
Wettest
18%
Windiest
4.1 m/s
Prevailing
W
3.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Oceanside over the whole year is 17°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 9°C. Oceanside has no sharply defined rainy season: the chance of rain on a given day runs from 3% in August, the driest month, to 17% in March, the wettest. Winds in Oceanside are highest in May, averaging 2.5 m/s (9 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Oceanside come in November, when the sky is typically 24% covered; May is the cloudiest month, at 56%.
Month by month Oceanside 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
18°C
9°C
15°C
17%
31%
2.0 m/s
52
2
88
February
18°C
9°C
15°C
15%
33%
2.3 m/s
53
3
84
March
18°C
10°C
15°C
17%
42%
2.4 m/s
53
2
87
April
20°C
12°C
17°C
9%
42%
2.4 m/s
73
9
84
May
21°C
14°C
19°C
6%
56%
2.5 m/s
83
10
83
June
24°C
17°C
22°C
4%
50%
2.4 m/s
83
26
63
July
27°C
19°C
26°C
4%
37%
2.4 m/s
65
51
33
August
28°C
19°C
27°C
3%
33%
2.2 m/s
60
60
24
September
27°C
18°C
26°C
6%
36%
2.1 m/s
69
47
36
October
25°C
15°C
23°C
8%
30%
2.0 m/s
82
30
57
November
22°C
11°C
19°C
10%
24%
1.9 m/s
81
10
79
December
18°C
9°C
15°C
14%
30%
1.9 m/s
62
1
88
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 Oceanside weather by season
Year round, Oceanside has days of about 18°C at their warmest in January, its coolest month, and 28°C in August, its warmest; the coolest hours of the day run from 9°C to 19°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around March and least likely around August. 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.
Oceanside weather in winterDecember to February
High 18°CLow 9°CRain 15%
Winter in Oceanside has typical daily highs of about 18°C and lows of about 9°C, with a 15% chance of rain on a given day.
Oceanside weather in springMarch to May
High 20°CLow 12°CRain 11%
Spring in Oceanside has typical daily highs of about 20°C and lows of about 12°C, with a 11% chance of rain on a given day.
Oceanside weather in summerJune to August
High 26°CLow 18°CRain 4%
Summer in Oceanside has typical daily highs of about 26°C and lows of about 18°C, with a 4% chance of rain on a given day.
Oceanside weather in autumnSeptember to November
High 24°CLow 14°CRain 8%
Autumn in Oceanside has typical daily highs of about 24°C and lows of about 14°C, with a 8% chance of rain on a given day.
When is the rainy season in Oceanside?
Oceanside has no sharply defined rainy season: the chance of rain on a given day runs from 3% in August, the driest month, to 17% in March, the wettest.
What time of year is Oceanside windiest?
Winds in Oceanside are highest in May, averaging 2.5 m/s (9 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Oceanside year round?
The average temperature in Oceanside over the whole year is 17°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 9°C.