San Juan weather averages

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

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Check San Juan weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in San Juan is expected to be 24°C, while the average maximum temperature in May is 21°C.

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More about San Juan

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The weather for San Juan, Ibiza 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 29°C
Sunniest July 11 hours per day
Least rain July 3 days
Warmest sea August 26°C

San Juan climate guide

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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, Ibiza, Balearic Islands, Spain 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, Ibiza, Balearic Islands, Spain
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Popular Ibiza destinations

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

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