San José monthly weather averages

Contents

Average daytime temperature

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

San José average temperature chart (Celsius) San José average temperature chart (Fahrenheit)
Average monthly temperatures in San José (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.4 30.7 30.6 29.2 26.8 24.9 23.9 23.6 23.9 24.4 25.8 28.2
°F 85 87.3 87 84.5 80.3 76.8 74.9 74.5 75 76 78.4 82.8

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.

San José monthly rainfall chart (mm) San José monthly rainfall chart (inches)
Average monthly rainfall in San José (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 5 6 17 5 1 1 1 1 1 1 1 1
inches 0.2 0.2 0.7 0.2 0 0 0 0.1 0 0.1 0 0
Rainy days 3 3 3 3 3 1 2 0 1 3 2 2

Average annual rainfall in San José: -46.4mm (-18.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in San José

San José average daily sunshine chart
Average daily sunshine San José
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.5 7.7 7.3 7.7 7.6 6.3 5.9 6.3 7.1 7.1 7.8 7.6

Day / night temperatures

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

San José average minimum / maximum temperatures (Celsius) San José average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in San José (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 20 20.9 20.8 19.6 18.2 16.7 15.8 15.4 15.5 15.8 16.6 17.9
Max °C 29.7 31 30.8 29.4 27.1 25.1 24.1 23.8 24.1 24.7 26 28.5
Min °F 67.9 69.5 69.4 67.3 64.7 62.1 60.4 59.7 59.9 60.4 61.9 64.2
Max °F 76.6 78.6 78.4 76.1 72.7 69.6 67.8 67.3 67.6 68.4 70.3 73.8

Sea temperature

The graph below shows the average sea temperature.

San José average sea temperature chart (Celsius) San José average sea temperature chart (Fahrenheit)
Average sea temperature around San José in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 21.9 23.3 23.1 21.4 20.3 19.5 18.8 18.1 17.8 18 18.9 20.2
°F 71.4 74 73.6 70.5 68.6 67.1 65.8 64.6 64 64.3 66 68.4

Wind speed

The graph below shows the average wind speed.

San José average winspeed by month (km/h) San José average winspeed by month (mph)
Average wind speed in San José (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 17 18 18 16 16 18 17 19 18 20
mph 11 10 10 11 11 10 10 11 11 12 11 12

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.

San José relative humidity averages
Average relative humidity in San José
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 74% 75% 76% 78% 80% 80% 79% 78% 77% 76%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

San José weather stats

San José weather statistics
Hottest month: February 30.7°C 87.3°F
Driest month: June 1mm 0ins
Sunniest month: April 7.7hrs
Coldest month: August 23.6°C 74.5°F
Wettest month: March 17mm 0.7ins
Warmest sea: February 23.3°C 73.9°F
Map showing location of San José (-6.7425, -79.82917) San José map pin © Google

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