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Average climate of San Juan

The climate of San Juan has an average yearly temperature of 31°C. Throughout the year, the average monthly temperature can drop to 29°C and rise to 32°C.

Annually, about 1464 mm of rain falls. This gives a good overview of how much rain to expect in San Juan.

Temperature per month in San Juan

This graph shows the average high temperatures in degrees Celsius for each month in San Juan

Temperature per month in San Juan

Precipitation per month in San Juan

This graph shows the average monthly precipitation in millimeters in San Juan.

Precipitation per month in San Juan

UV index per month in San Juan

This graph shows the average UV index per month in San Juan.

UV index per month in San Juan

Yearly temperature in San Juan

This graph shows the average yearly temperature in San Juan, measured in degrees Celsius.

Yearly temperature in San Juan

Yearly total precipitation in San Juan

This graph shows the average yearly precipitation in millimeters in San Juan.

Precipitation per year in San Juan

Average weather in San Juan per month

Click on a month below to see in detail how the weather typically is in San Juan and what to expect. Based on the historical weather data of San Juan, you can view the average temperature, precipitation, wind, and UV index for each day of the month.