San Juan weather in October 2025

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

  • 31°C maximum daytime temperature in October in San Juan31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in October in San Juan16
    16 days with some rainfall
  • 18°C minimum night-time temperature in October in San Juan18
    18°C min night temperature
  • 12 hours of daylight per day in October in San Juan12
    12 hours of daylight per day
  • High heat & humidity in October in San JuanH
    High heat & humidity
  • 158 mm monthly rainfall in October in San Juan158
    158 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in San Juan10
    10 (Very High) UV index

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The October weather guide for Dominican Republic (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 San Juan in October?

Daytime temperatures usually reach 31°C in San Juan in October with high heat and humidity, falling to 18°C at night.

How sunny is it in San Juan in October?

There are normally 7 hours of bright sunshine each day in San Juan in October - that's 62% of daylight hours.

Does it rain in San Juan in October?

There are usually 16 days with some rain in San Juan in October and the average monthly rainfall is 158mm.

What is the chance of a hurricane in San Juan in October?

On average less than 1 day in October in San Juan is likely to be affected by the passage of one or more tropical storms.

San Juan October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:36 18:33
Thursday, 16th October 2025 06:39 18:21
Friday, 31st October 2025 06:45 18:12

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