Rio San Juan weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rio San Juan in May. Check more long-term weather averages for Rio San Juan in May before you book your next holiday to Dominican Republic in 2025/2026.

  • 31°C maximum daytime temperature in May in Rio San Juan31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in May in Rio San Juan13
    13 days with some rainfall
  • 21°C minimum night-time temperature in May in Rio San Juan21
    21°C min night temperature
  • 13 hours of daylight per day in May in Rio San Juan13
    13 hours of daylight per day
  • High heat & humidity in May in Rio San JuanH
    High heat & humidity
  • 204 mm monthly rainfall in May in Rio San Juan204
    204 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Rio San Juan11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Rio San Juan27
    27°C sea temperature

More about the Rio San Juan

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The May weather guide for Dominican Republic (Rio 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 the Dominican Republic

How hot is it in Rio San Juan in May?

Daytime temperatures usually reach 31°C in Rio San Juan in May with high heat and humidity, falling to 21°C at night.

How sunny is it in Rio San Juan in May?

There are normally 7 hours of bright sunshine each day in Rio San Juan in May - that's 54% of daylight hours.

How warm is the sea around Rio San Juan in May?

The average sea temperature around Rio San Juan in May is 27°C.

Does it rain in Rio San Juan in May?

There are usually 13 days with some rain in Rio San Juan in May and the average monthly rainfall is 204mm.

Rio San Juan May sunrise & sunset times

Browse the sunrise and sunset times for Rio San Juan in May 2025. Select a month to view Rio San Juan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:11 19:04
Friday, 16th May 2025 06:04 19:09
Saturday, 31st May 2025 06:01 19:15

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