Annual mean 28°C · wettest around October · prevailing wind W
Warmest
31.9 °C
Coldest
30.2 °C
Wettest
9%
Windiest
4.6 m/s
Prevailing
W
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
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 San Onofre over the whole year is 28°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 24°C. San Onofre has no sharply defined rainy season: the chance of rain on a given day runs from 0% in February, the driest month, to 9% in October, the wettest. Winds in San Onofre are highest in February, averaging 3.7 m/s (13 km/h), and lightest in October, at 2.0 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in San Onofre come in February, when the sky is typically 35% covered; September is the cloudiest month, at 61%.
Month by month San Onofre 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
31°C
24°C
34°C
1%
37%
3.1 m/s
1
44
0
February
32°C
24°C
34°C
0%
35%
3.7 m/s
2
50
0
March
32°C
25°C
34°C
1%
46%
3.6 m/s
1
45
0
April
32°C
26°C
35°C
3%
56%
3.2 m/s
0
29
0
May
31°C
26°C
36°C
7%
60%
2.4 m/s
1
18
0
June
31°C
26°C
36°C
7%
60%
2.2 m/s
1
17
0
July
32°C
26°C
36°C
6%
57%
2.4 m/s
1
18
0
August
31°C
26°C
36°C
7%
58%
2.4 m/s
1
20
0
September
31°C
26°C
36°C
7%
61%
2.1 m/s
1
20
0
October
31°C
25°C
35°C
9%
60%
2.0 m/s
1
25
0
November
31°C
25°C
35°C
7%
56%
2.1 m/s
2
26
0
December
32°C
25°C
35°C
2%
41%
2.6 m/s
1
26
0
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 San Onofre weather by season
Year round, San Onofre has days of about 31°C at their warmest in November, its coolest month, and 32°C in April, its warmest; the coolest hours of the day run from 24°C to 26°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around October and least likely around February. 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.
San Onofre weather in winterDecember to February
High 32°CLow 25°CRain 1%
Winter in San Onofre has typical daily highs of about 32°C and lows of about 25°C, with a 1% chance of rain on a given day.
San Onofre weather in springMarch to May
High 32°CLow 26°CRain 4%
Spring in San Onofre has typical daily highs of about 32°C and lows of about 26°C, with a 4% chance of rain on a given day.
San Onofre weather in summerJune to August
High 31°CLow 26°CRain 7%
Summer in San Onofre has typical daily highs of about 31°C and lows of about 26°C, with a 7% chance of rain on a given day.
San Onofre weather in autumnSeptember to November
High 31°CLow 25°CRain 8%
Autumn in San Onofre has typical daily highs of about 31°C and lows of about 25°C, with a 8% chance of rain on a given day.
When is the rainy season in San Onofre?
San Onofre has no sharply defined rainy season: the chance of rain on a given day runs from 0% in February, the driest month, to 9% in October, the wettest.
What time of year is San Onofre windiest?
Winds in San Onofre are highest in February, averaging 3.7 m/s (13 km/h), and lightest in October, at 2.0 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in San Onofre year round?
The average temperature in San Onofre over the whole year is 28°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 24°C.