Santiago weather in August 2025

Expect 91°F 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.

  • 91°F maximum daytime temperature in August in Santiago91
    91°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in August in Santiago15
    15 days with some rainfall
  • 70°F minimum night-time temperature in August in Santiago70
    70°F 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
  • 2.6 inches monthly rainfall in August in Santiago2.6
    2.6 inches 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)  |  Imperial (°F)

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More about the Dominican Republic

How hot is it in Santiago in August?

Daytime temperatures usually reach 91°F in Santiago in August with very high heat and humidity, falling to 70°F 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 2.6 inches.

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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