Santiago weather in August 2025

Expect 33°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Santiago in August. Check more long-term weather averages for Santiago in August before you book your next holiday to Dominican Republic in 2025/2026.

  • 33°C maximum daytime temperature in August in Santiago33
    33°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in August in Santiago15
    15 days with some rainfall
  • 21°C minimum night-time temperature in August in Santiago21
    21°C min night temperature
  • 13 hours of daylight per day in August in Santiago13
    13 hours of daylight per day
  • Very high heat & humidity in August in SantiagoVH
    Very High heat & humidity
  • 65 mm monthly rainfall in August in Santiago65
    65 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Santiago11
    11+ (Extreme) UV index

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The August weather guide for Dominican Republic (Santiago) 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 Santiago in August?

Daytime temperatures usually reach 33°C in Santiago in August with very high heat and humidity, falling to 21°C at night.

How sunny is it in Santiago in August?

There are normally 8 hours of bright sunshine each day in Santiago in August - that's 63% of daylight hours.

Does it rain in Santiago in August?

There are usually 15 days with some rain in Santiago in August and the average monthly rainfall is 65mm.

What is the chance of a hurricane in Santiago in August?

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

Santiago August sunrise & sunset times

Browse the sunrise and sunset times for Santiago in August 2025. Select a month to view Santiago sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:19 19:19
Saturday, 16th August 2025 06:24 19:10
Sunday, 31st August 2025 06:27 18:58

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