San Juan weather in April 2021

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  • 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 San Juan, Puerto Rico 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.

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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.

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

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San Juan sunrise & sunset times for April 2021

Browse the sunrise and sunset times for San Juan in April 2021. Select a month to view San Juan sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st April 2021 06:18 18:38
Thursday, 15th April 2021 06:07 18:42
Friday, 30th April 2021 05:58 18:46

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