Annual mean 27°C · wettest around August · prevailing wind S
Warmest
32.6 °C
Coldest
28.7 °C
Wettest
73%
Windiest
3.1 m/s
Prevailing
S
2.8 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
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 Clemente over the whole year is 27°C. May is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C. The rainy (wet) season in San Clemente runs from May to October, peaking in August with a 71% chance of rain on a given day. The dry season is November to April; January is the driest month, at 36%. Winds in San Clemente are highest in February, averaging 2.5 m/s (9 km/h), and lightest in September, at 2.2 m/s (8 km/h). The prevailing wind is from the S. The clearest skies in San Clemente come in March, when the sky is typically 51% covered; August is the cloudiest month, at 81%.
Month by month San Clemente 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
29°C
23°C
31°C
36%
57%
2.3 m/s
12
55
5
February
29°C
23°C
32°C
36%
52%
2.5 m/s
10
55
5
March
31°C
24°C
34°C
40%
51%
2.4 m/s
7
36
3
April
32°C
25°C
36°C
50%
53%
2.4 m/s
5
17
1
May
32°C
26°C
36°C
57%
64%
2.3 m/s
5
9
1
June
31°C
25°C
35°C
65%
74%
2.3 m/s
6
13
2
July
30°C
25°C
34°C
69%
79%
2.4 m/s
6
19
2
August
29°C
25°C
34°C
71%
81%
2.4 m/s
6
21
3
September
30°C
25°C
34°C
69%
76%
2.2 m/s
6
19
2
October
30°C
25°C
34°C
63%
69%
2.3 m/s
7
19
2
November
30°C
25°C
34°C
51%
60%
2.2 m/s
7
26
3
December
29°C
24°C
33°C
38%
61%
2.3 m/s
9
39
4
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 Clemente weather by season
Year round, San Clemente has days of about 29°C at their warmest in January, its coolest month, and 32°C in May, its warmest; the coolest hours of the day run from 23°C to 26°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around August and least likely around January. 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 Clemente weather in winterDecember to February
High 29°CLow 23°CRain 36%
Winter in San Clemente has typical daily highs of about 29°C and lows of about 23°C, with a 36% chance of rain on a given day.
San Clemente weather in springMarch to May
High 32°CLow 25°CRain 49%
Spring in San Clemente has typical daily highs of about 32°C and lows of about 25°C, with a 49% chance of rain on a given day.
San Clemente weather in summerJune to August
High 30°CLow 25°CRain 68%
Summer in San Clemente has typical daily highs of about 30°C and lows of about 25°C, with a 68% chance of rain on a given day.
San Clemente weather in autumnSeptember to November
High 30°CLow 25°CRain 61%
Autumn in San Clemente has typical daily highs of about 30°C and lows of about 25°C, with a 61% chance of rain on a given day.
When is the rainy season in San Clemente?
The rainy (wet) season in San Clemente runs from May to October, peaking in August with a 71% chance of rain on a given day. The dry season is November to April; January is the driest month, at 36%.
What time of year is San Clemente windiest?
Winds in San Clemente are highest in February, averaging 2.5 m/s (9 km/h), and lightest in September, at 2.2 m/s (8 km/h). The prevailing wind is from the S.
What is the average temperature in San Clemente year round?
The average temperature in San Clemente over the whole year is 27°C. May is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 23°C.