San Juan weather in July 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in San Juan in July. Check more long-term weather averages for San Juan in July before you book your next holiday to Puerto Rico in 2025/2026.

  • 86°F maximum daytime temperature in July in San Juan86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 19 days with some rainfall in July in San Juan19
    19 days with some rainfall
  • 73°F minimum night-time temperature in July in San Juan73
    73°F min night temperature
  • 13 hours of daylight per day in July in San Juan13
    13 hours of daylight per day
  • High heat & humidity in July in San JuanH
    High heat & humidity
  • 7.1 inches monthly rainfall in July in San Juan7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in San Juan11
    11+ (Extreme) UV index
  • 82°F sea temperature in July in San Juan82
    82°F sea temperature

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The July weather guide for Puerto Rico (San Juan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Puerto Rico

How hot is it in San Juan in July?

Daytime temperatures usually reach 86°F in San Juan in July with high heat and humidity, falling to 73°F at night.

How sunny is it in San Juan in July?

There are normally 9 hours of bright sunshine each day in San Juan in July - that's 69% of daylight hours.

How warm is the sea around San Juan in July?

The average sea temperature around San Juan in July is 82°F.

Does it rain in San Juan in July?

There are usually 19 days with some rain in San Juan in July and the average monthly rainfall is 7.1 inches.

San Juan July sunrise & sunset times

Browse the sunrise and sunset times for San Juan in July 2025. Select a month to view San Juan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:52 19:05
Wednesday, 16th July 2025 05:57 19:04
Thursday, 31st July 2025 06:02 18:59

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