Average humidity in San Juan

The mean monthly relative humidity over the year in San Juan (North Puerto Rico), Puerto Rico.

On average, October is the most humid month, at 77.0%.
On average, March is the least humid month, at 71.0%.
The average annual percentage of humidity is 75%.

Forecast for San Juan

Thu Nov 21

30°C | 25°C

14 km/h

0.7 mm

partly cloudy and chance of rain

hourly forecast

Fri Nov 22

31°C | 24°C

11 km/h

1.4 mm

partly cloudy and thunder

hourly forecast

Sat Nov 23

30°C | 25°C

11 km/h

4.2 mm

broken clouds and thunder

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan.

Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find historical weather averages for many cities in Puerto Rico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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