San Juan weather in April 2020

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

Guide to San Juan weather in April

The average maximum daytime temperature in San Juan in April is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a comfortable 21°C (70°F). There are usually 9 hours of bright sunshine each day, which represents 71% of the 13 hours of daylight.

Expect 121mm (4.8 inches) of rainfall across the whole of April with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around San Juan in April is 26°C (79°F).

San Juan sunrise & sunset times for April 2020

Browse the sunrise & sunset times for San Juan in April 2020. Select a month to view San Juan sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st April 2020 06:18 18:38
Wednesday, 15th April 2020 06:07 18:42
Thursday, 30th April 2020 05:57 18:46
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Where's hot in Puerto Rico in April?

Below are average maximum temperatures at popular destinations in Puerto Rico in April. Select a destination to see more weather parameters.

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