Annual mean 24°C · wettest around November · prevailing wind E
Warmest
29.3 °C
Coldest
26.3 °C
Wettest
79%
Windiest
7.5 m/s
Prevailing
E
5.2 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 Ramón over the whole year is 24°C. April is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 20°C. The rainy (wet) season in San Ramón runs from April to November, peaking in November with a 65% chance of rain on a given day. The dry season is December to March; January is the driest month, at 35%. Winds in San Ramón are highest in February, averaging 6.1 m/s (22 km/h), and lightest in October, at 2.4 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in San Ramón come in February, when the sky is typically 29% covered; June is the cloudiest month, at 76%.
Month by month San Ramón 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
27°C
20°C
25°C
35%
36%
5.4 m/s
61
42
31
February
28°C
20°C
25°C
48%
29%
6.1 m/s
58
40
32
March
29°C
21°C
26°C
48%
37%
5.5 m/s
52
49
23
April
29°C
22°C
28°C
61%
55%
4.3 m/s
45
53
12
May
28°C
22°C
29°C
64%
71%
3.0 m/s
41
53
8
June
27°C
21°C
28°C
62%
76%
2.8 m/s
49
52
10
July
27°C
22°C
28°C
59%
73%
3.5 m/s
51
49
15
August
27°C
21°C
28°C
56%
72%
2.9 m/s
50
50
12
September
27°C
21°C
29°C
61%
76%
2.5 m/s
49
54
9
October
27°C
21°C
28°C
63%
74%
2.4 m/s
54
51
13
November
26°C
21°C
27°C
65%
67%
2.9 m/s
57
50
18
December
27°C
21°C
25°C
42%
45%
4.6 m/s
61
43
30
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 Ramón weather by season
Year round, San Ramón has days of about 26°C at their warmest in November, its coolest month, and 29°C in April, its warmest; the coolest hours of the day run from 20°C to 22°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around November 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 Ramón weather in winterDecember to February
High 28°CLow 20°CRain 41%
Winter in San Ramón has typical daily highs of about 28°C and lows of about 20°C, with a 41% chance of rain on a given day.
San Ramón weather in springMarch to May
High 29°CLow 21°CRain 58%
Spring in San Ramón has typical daily highs of about 29°C and lows of about 21°C, with a 58% chance of rain on a given day.
San Ramón weather in summerJune to August
High 27°CLow 21°CRain 59%
Summer in San Ramón has typical daily highs of about 27°C and lows of about 21°C, with a 59% chance of rain on a given day.
San Ramón weather in autumnSeptember to November
High 27°CLow 21°CRain 63%
Autumn in San Ramón has typical daily highs of about 27°C and lows of about 21°C, with a 63% chance of rain on a given day.
When is the rainy season in San Ramón?
The rainy (wet) season in San Ramón runs from April to November, peaking in November with a 65% chance of rain on a given day. The dry season is December to March; January is the driest month, at 35%.
What time of year is San Ramón windiest?
Winds in San Ramón are highest in February, averaging 6.1 m/s (22 km/h), and lightest in October, at 2.4 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in San Ramón year round?
The average temperature in San Ramón over the whole year is 24°C. April is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 20°C.