Annual mean 14°C · wettest around March · prevailing wind W
Warmest
22.2 °C
Coldest
12.2 °C
Wettest
60%
Windiest
5.1 m/s
Prevailing
W
4.1 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 Alameda over the whole year is 14°C. September is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 8°C. The rainy (wet) season in Alameda runs from October to May, peaking in March with a 60% chance of rain on a given day. The dry season is June to September; June is the driest month, at 26%. Winds in Alameda are highest in June, averaging 4.0 m/s (14 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Alameda come in June, when the sky is typically 29% covered; January is the cloudiest month, at 49%.
Month by month Alameda 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
13°C
9°C
10°C
60%
49%
2.7 m/s
12
0
76
February
14°C
8°C
11°C
59%
35%
3.0 m/s
19
0
73
March
14°C
9°C
11°C
60%
46%
3.3 m/s
21
0
77
April
16°C
10°C
14°C
55%
36%
3.5 m/s
40
3
81
May
18°C
12°C
16°C
54%
37%
3.9 m/s
49
8
78
June
20°C
14°C
18°C
26%
29%
4.0 m/s
56
17
70
July
20°C
14°C
19°C
31%
34%
3.9 m/s
63
22
65
August
21°C
15°C
20°C
30%
36%
3.6 m/s
73
25
62
September
21°C
15°C
20°C
36%
32%
3.1 m/s
72
21
66
October
20°C
13°C
18°C
51%
29%
2.5 m/s
69
12
75
November
16°C
10°C
13°C
56%
34%
2.4 m/s
35
1
84
December
13°C
8°C
11°C
59%
44%
2.5 m/s
13
0
76
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 Alameda weather by season
Year round, Alameda has days of about 13°C at their warmest in January, its coolest month, and 21°C in September, its warmest; the coolest hours of the day run from 8°C to 15°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around March and least likely around June. 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.
Alameda weather in winterDecember to February
High 13°CLow 8°CRain 59%
Winter in Alameda has typical daily highs of about 13°C and lows of about 8°C, with a 59% chance of rain on a given day.
Alameda weather in springMarch to May
High 16°CLow 11°CRain 56%
Spring in Alameda has typical daily highs of about 16°C and lows of about 11°C, with a 56% chance of rain on a given day.
Alameda weather in summerJune to August
High 21°CLow 15°CRain 29%
Summer in Alameda has typical daily highs of about 21°C and lows of about 15°C, with a 29% chance of rain on a given day.
Alameda weather in autumnSeptember to November
High 19°CLow 12°CRain 47%
Autumn in Alameda has typical daily highs of about 19°C and lows of about 12°C, with a 47% chance of rain on a given day.
When is the rainy season in Alameda?
The rainy (wet) season in Alameda runs from October to May, peaking in March with a 60% chance of rain on a given day. The dry season is June to September; June is the driest month, at 26%.
What time of year is Alameda windiest?
Winds in Alameda are highest in June, averaging 4.0 m/s (14 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Alameda year round?
The average temperature in Alameda over the whole year is 14°C. September is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 8°C.