San Juan weather averages

Going to San Juan? Find the best month to visit San Juan based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check San Juan weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in San Juan is expected to be 30°C, while the average maximum temperature in December is 29°C.

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More about San Juan

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather for San Juan, Dominican Republic shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

San Juan weather averages: best month

San Juan Best month Averages
Warmest July, August & September 32°C
Sunniest February, March, April, June, July & August 8 hours per day
Least rain February, March & April 10 days

San Juan climate guide

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Tropical storm risk: San Juan hurricane season

% of month affected by tropical storms
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The San Juan tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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San Juan weather averages by month

Check San Juan holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare San Juan weather with the USA

Below the San Juan weather chart shows maximum daytime temperature for San Juan, Dominican Republic and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

San Juan, Dominican Republic
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Popular Dominican Republic destinations

Below are average maximum temperatures at popular destinations in the Dominican Republic in December. Select a destination to see the weather overview and compare average conditions with today's forecast.

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More Dominican Republic destinations

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