San Juan weather in March 2020

  • 28°C maximum daytime temperature in March in San Juan28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 15 days with some rainfall in March in San Juan15
    15 days with some rainfall
  • 21°C minimum night-time temperature in March in San Juan21
    21°C min night temperature
  • 12 hours of daylight per day in March in San Juan12
    12 hours of daylight per day
  • Moderate heat & humidity in March in San JuanM
    Moderate heat & humidity
  • 79 mm monthly rainfall in March in San Juan79
    79 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in San Juan11
    11+ (Extreme) UV index
  • 26°C sea temperature in March in San Juan26
    26°C sea temperature
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The March 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 March

The average maximum daytime temperature in San Juan in March is a warm 28°C (82°F) with moderate 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 75% of the 12 hours of daylight.

Expect 79mm (3.1 inches) of rainfall across the whole of March with 15 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 March is 26°C (79°F).

San Juan sunrise & sunset times for March 2020

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2020 06:43 18:31
Monday, 16th March 2020 06:31 18:35
Tuesday, 31st March 2020 06:19 18:38
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