Annual mean 30°C · wettest around September · prevailing wind E
Warmest
39.4 °C
Coldest
29.5 °C
Wettest
92%
Windiest
3.4 m/s
Prevailing
E
2.7 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 San over the whole year is 30°C. April is the hottest month, with highs of about 39°C; January is the coldest, with lows of about 18°C. The rainy (wet) season in San runs from May to October, peaking in September with a 77% chance of rain on a given day. The dry season is November to April; December is the driest month, at 4%. Winds in San are highest in May, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.5 m/s (5 km/h). The prevailing wind is from the E. The clearest skies in San come in February, when the sky is typically 40% covered; August is the cloudiest month, at 69%.
Month by month San 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
18°C
28°C
5%
42%
2.0 m/s
48
68
13
February
34°C
21°C
30°C
11%
40%
2.2 m/s
26
65
5
March
38°C
26°C
35°C
36%
45%
2.0 m/s
3
31
0
April
39°C
29°C
38°C
32%
53%
2.1 m/s
0
10
0
May
38°C
30°C
39°C
62%
60%
2.3 m/s
1
4
0
June
34°C
28°C
37°C
69%
58%
2.3 m/s
2
10
0
July
31°C
26°C
35°C
71%
64%
1.9 m/s
3
21
0
August
30°C
25°C
34°C
75%
69%
1.7 m/s
4
28
0
September
31°C
25°C
36°C
77%
61%
1.6 m/s
2
18
0
October
34°C
26°C
37°C
52%
52%
1.5 m/s
0
10
0
November
35°C
23°C
34°C
15%
42%
1.6 m/s
3
47
0
December
32°C
20°C
29°C
4%
40%
1.9 m/s
30
71
6
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 weather by season
Year round, San has days of about 30°C at their warmest in August, its coolest month, and 39°C in April, its warmest; the coolest hours of the day run from 18°C to 30°C through the year, and the average temperature over the year is 30°C around the clock. Rain is most likely around September and least likely around December. 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 weather in winterDecember to February
High 33°CLow 20°CRain 7%
Winter in San has typical daily highs of about 33°C and lows of about 20°C, with a 7% chance of rain on a given day.
San weather in springMarch to May
High 38°CLow 28°CRain 43%
Spring in San has typical daily highs of about 38°C and lows of about 28°C, with a 43% chance of rain on a given day.
San weather in summerJune to August
High 32°CLow 26°CRain 72%
Summer in San has typical daily highs of about 32°C and lows of about 26°C, with a 72% chance of rain on a given day.
San weather in autumnSeptember to November
High 33°CLow 25°CRain 48%
Autumn in San has typical daily highs of about 33°C and lows of about 25°C, with a 48% chance of rain on a given day.
When is the rainy season in San?
The rainy (wet) season in San runs from May to October, peaking in September with a 77% chance of rain on a given day. The dry season is November to April; December is the driest month, at 4%.
What time of year is San windiest?
Winds in San are highest in May, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.5 m/s (5 km/h). The prevailing wind is from the E.
What is the average temperature in San year round?
The average temperature in San over the whole year is 30°C. April is the hottest month, with highs of about 39°C; January is the coldest, with lows of about 18°C.