Annual mean 22°C · wettest around June · prevailing wind SE
Warmest
35.2 °C
Coldest
15.8 °C
Wettest
90%
Windiest
4.7 m/s
Prevailing
SE
3.8 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 22°C. August is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 7°C. Pleasanton has no sharply defined rainy season: the chance of rain on a given day runs from 45% in February, the driest month, to 62% in June, the wettest. Winds in Pleasanton are highest in May, averaging 3.4 m/s (12 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Pleasanton come in August, when the sky is typically 23% covered; April is the cloudiest month, at 48%.
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
16°C
7°C
13°C
46%
42%
2.3 m/s
41
4
64
February
18°C
10°C
15°C
45%
46%
2.9 m/s
51
12
56
March
23°C
14°C
21°C
48%
47%
3.1 m/s
66
27
50
April
26°C
17°C
25°C
59%
48%
3.3 m/s
59
46
30
May
30°C
22°C
30°C
61%
46%
3.4 m/s
22
53
6
June
33°C
24°C
34°C
62%
35%
3.1 m/s
2
32
0
July
34°C
25°C
35°C
55%
28%
3.2 m/s
1
21
0
August
35°C
25°C
36°C
55%
23%
2.9 m/s
2
13
0
September
32°C
22°C
34°C
61%
29%
2.1 m/s
9
35
2
October
28°C
18°C
27°C
55%
35%
2.2 m/s
31
51
19
November
22°C
13°C
20°C
50%
45%
2.1 m/s
55
28
49
December
18°C
10°C
16°C
48%
43%
2.1 m/s
51
11
63
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 16°C at their warmest in January, its coolest month, and 35°C in August, its warmest; the coolest hours of the day run from 7°C to 25°C through the year, and the average temperature over the year is 22°C around the clock. Rain is most likely around June and least likely around February. 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 18°CLow 9°CRain 47%
Winter in Pleasanton has typical daily highs of about 18°C and lows of about 9°C, with a 47% chance of rain on a given day.
Pleasanton weather in springMarch to May
High 26°CLow 18°CRain 56%
Spring in Pleasanton has typical daily highs of about 26°C and lows of about 18°C, with a 56% chance of rain on a given day.
Pleasanton weather in summerJune to August
High 34°CLow 24°CRain 57%
Summer in Pleasanton has typical daily highs of about 34°C and lows of about 24°C, with a 57% chance of rain on a given day.
Pleasanton weather in autumnSeptember to November
High 27°CLow 18°CRain 55%
Autumn in Pleasanton has typical daily highs of about 27°C and lows of about 18°C, with a 55% chance of rain on a given day.
When is the rainy season in Pleasanton?
Pleasanton has no sharply defined rainy season: the chance of rain on a given day runs from 45% in February, the driest month, to 62% in June, the wettest.
What time of year is Pleasanton windiest?
Winds in Pleasanton are highest in May, averaging 3.4 m/s (12 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SE.
What is the average temperature in Pleasanton year round?
The average temperature in Pleasanton over the whole year is 22°C. August is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 7°C.