San Juan weather in June 2026

Expect daytime maximum temperatures of 86°F in San Juan, Puerto Rico in June and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 17 days with some rainfall and typically 5.9 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in San Juan86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 17 days with some rainfall in June in San Juan17
    17 days with some rainfall
  • 73°F minimum night-time temperature in June in San Juan73
    73°F min night temperature
  • 13 hours of daylight per day in June in San Juan13
    13 hours of daylight per day
  • High heat & humidity in June in San JuanH
    High heat & humidity
  • 5.9 inches monthly rainfall in June in San Juan5.9
    5.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in San Juan11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in San Juan82
    82°F sea temperature

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The June 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 June?

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

How sunny is it in San Juan in June?

There are normally 9 hours of bright sunshine each day in San Juan in June - that's 65% of daylight hours.

How warm is the sea around San Juan in June?

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

Does it rain in San Juan in June?

There are usually 17 days with some rain in San Juan in June and the average monthly rainfall is 5.9 inches.

San Juan June sunrise & sunset times

Browse the sunrise and sunset times for San Juan in June 2026. Select a month to view San Juan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 05:47 18:57
Monday, 15th June 2026 05:48 19:02
Tuesday, 30th June 2026 05:51 19:05

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