San Juan weather in April 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in San Juan in April. Check more long-term weather averages for San Juan in April before you book your next holiday to Puerto Rico in 2025/2026.

  • 29°C maximum daytime temperature in April in San Juan29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 14 days with some rainfall in April in San Juan14
    14 days with some rainfall
  • 21°C minimum night-time temperature in April in San Juan21
    21°C min night temperature
  • 13 hours of daylight per day in April in San Juan13
    13 hours of daylight per day
  • High heat & humidity in April in San JuanH
    High heat & humidity
  • 121 mm monthly rainfall in April in San Juan121
    121 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in San Juan11
    11+ (Extreme) UV index
  • 26°C sea temperature in April in San Juan26
    26°C sea temperature

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The April 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 / mm)  |  Imperial (°F / inches)

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More about Puerto Rico

How hot is it in San Juan in April?

Daytime temperatures usually reach 29°C in San Juan in April with high heat and humidity, falling to 21°C at night.

How sunny is it in San Juan in April?

There are normally 9 hours of bright sunshine each day in San Juan in April - that's 71% of daylight hours.

How warm is the sea around San Juan in April?

The average sea temperature around San Juan in April is 26°C.

Does it rain in San Juan in April?

There are usually 14 days with some rain in San Juan in April and the average monthly rainfall is 121mm.

San Juan April sunrise & sunset times

Browse the sunrise and sunset times for San Juan in April 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 April 2025 06:18 18:38
Tuesday, 15th April 2025 06:07 18:42
Wednesday, 30th April 2025 05:58 18:46

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