Annual mean 15°C · wettest around March · prevailing wind NW
Warmest
25.5 °C
Coldest
12.3 °C
Wettest
18%
Windiest
5.2 m/s
Prevailing
NW
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Pleasanton over the whole year is 15°C. August is the hottest month, with highs of about 25°C; December is the coldest, with lows of about 7°C. The rainy (wet) season in Pleasanton runs from November to March, peaking in March with a 20% chance of rain on a given day. The dry season is April to October; July is the driest month, at 1%. Winds in Pleasanton are highest in June, averaging 4.2 m/s (15 km/h), and lightest in November, at 2.0 m/s (7 km/h). The prevailing wind is from the NW. The clearest skies in Pleasanton come in June, when the sky is typically 19% covered; January is the cloudiest month, at 47%.
Month by month Pleasanton 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
8°C
10°C
19%
47%
2.4 m/s
13
0
79
February
14°C
8°C
11°C
18%
34%
2.8 m/s
25
0
78
March
16°C
9°C
12°C
20%
43%
3.1 m/s
32
1
83
April
19°C
10°C
16°C
10%
32%
3.5 m/s
59
5
85
May
21°C
13°C
18°C
5%
30%
4.0 m/s
71
12
77
June
24°C
15°C
22°C
1%
19%
4.2 m/s
77
28
60
July
25°C
16°C
23°C
1%
19%
4.2 m/s
77
37
52
August
25°C
16°C
24°C
1%
22%
3.8 m/s
77
40
47
September
24°C
15°C
23°C
1%
22%
3.2 m/s
78
33
55
October
22°C
13°C
20°C
6%
21%
2.5 m/s
81
17
73
November
17°C
9°C
14°C
11%
31%
2.0 m/s
47
1
89
December
13°C
7°C
10°C
17%
41%
2.1 m/s
13
0
80
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 Pleasanton weather by season
Year round, Pleasanton has days of about 13°C at their warmest in December, its coolest month, and 25°C in August, its warmest; the coolest hours of the day run from 7°C to 16°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around March and least likely around July. 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.
Pleasanton weather in winterDecember to February
High 13°CLow 8°CRain 18%
Winter in Pleasanton has typical daily highs of about 13°C and lows of about 8°C, with a 18% chance of rain on a given day.
Pleasanton weather in springMarch to May
High 18°CLow 11°CRain 12%
Spring in Pleasanton has typical daily highs of about 18°C and lows of about 11°C, with a 12% chance of rain on a given day.
Pleasanton weather in summerJune to August
High 24°CLow 16°CRain 1%
Summer in Pleasanton has typical daily highs of about 24°C and lows of about 16°C, with a 1% chance of rain on a given day.
Pleasanton weather in autumnSeptember to November
High 21°CLow 12°CRain 6%
Autumn in Pleasanton has typical daily highs of about 21°C and lows of about 12°C, with a 6% chance of rain on a given day.
When is the rainy season in Pleasanton?
The rainy (wet) season in Pleasanton runs from November to March, peaking in March with a 20% chance of rain on a given day. The dry season is April to October; July is the driest month, at 1%.
What time of year is Pleasanton windiest?
Winds in Pleasanton are highest in June, averaging 4.2 m/s (15 km/h), and lightest in November, at 2.0 m/s (7 km/h). The prevailing wind is from the NW.
What is the average temperature in Pleasanton year round?
The average temperature in Pleasanton over the whole year is 15°C. August is the hottest month, with highs of about 25°C; December is the coldest, with lows of about 7°C.