Pleasanton (CA) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Pleasanton

Pleasanton average temperature chart (Celsius) Pleasanton average temperature chart (Fahrenheit)
Average monthly temperatures in Pleasanton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.2 15.5 16.7 19.1 22.3 25.5 27.8 27.8 26.8 23.3 17.3 13.1
°F 55.7 60 62 66.5 72.1 78 82.1 82 80.3 73.9 63.2 55.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Pleasanton monthly rainfall chart (mm) Pleasanton monthly rainfall chart (inches)
Average monthly rainfall in Pleasanton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 94 73 68 35 9 3 2 2 6 25 64 74
inches 3.7 2.9 2.7 1.4 0.4 0.1 0.1 0.1 0.2 1 2.5 2.9
Rainy days 9 9 10 6 2 1 1 1 2 4 8 9

Average annual rainfall in Pleasanton: 372.166mm (146.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Pleasanton

Pleasanton average daily sunshine chart
Average daily sunshine Pleasanton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 7.9 9.5 11.3 12.1 12.4 12.3 11.3 10.6 9.3 6.7 5.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Pleasanton average minimum / maximum temperatures (Celsius) Pleasanton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Pleasanton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.2 5 5.9 6.8 9 11.1 12.2 12.5 11.8 9.2 6 3.5
Max °C 13.4 15.8 17 19.5 22.6 25.9 28.2 28.2 27.2 23.7 17.6 13.4
Min °F 37.8 41 42.5 44.2 48.2 52 54 54.4 53.2 48.5 42.8 38.2
Max °F 46.9 50.7 52.5 55.6 60.4 65.3 68.4 68.5 67.1 61.5 53.2 47.1

Sea temperature

The graph below shows the average sea temperature.

Pleasanton average sea temperature chart (Celsius) Pleasanton average sea temperature chart (Fahrenheit)
Average sea temperature around Pleasanton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.4 12.3 12.2 12 12.1 12.7 13.7 14.6 14.9 14.6 13.8 12.9
°F 54.4 54.1 54 53.6 53.8 54.8 56.7 58.3 58.9 58.3 56.9 55.2

Wind speed

The graph below shows the average wind speed.

Pleasanton average winspeed by month (km/h) Pleasanton average winspeed by month (mph)
Average wind speed in Pleasanton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 14 16 18 19 19 18 17 16 13 12 12
mph 8 9 10 11 12 12 11 11 10 8 8 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Pleasanton relative humidity averages
Average relative humidity in Pleasanton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 77% 72% 67% 65% 63% 63% 65% 65% 68% 76% 80%

Other monthly averages

UV index Best time to go?

Pleasanton weather stats

Pleasanton weather statistics
Hottest month: August 27.8°C 82°F
Driest month: July 2mm 0.1ins
Sunniest month: April 11.3hrs
Coldest month: January 13.2°C 55.8°F
Wettest month: January 94mm 3.7ins
Warmest sea: September 14.9°C 58.8°F
Map showing location of Pleasanton (37.66243, -121.87468) Pleasanton map pin © Google

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