Tamarindo weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Tamarindo in August based on long-term weather averages. There is usually 21 days with some rainfall and 255 mm of average monthly rainfall in August.

• 31
  31°C max day temperature
• 5
  5 hours of sunshine per day
• 21
  21 days with some rainfall
• 23
  23°C min night temperature
• 12
  12 hours of daylight per day
• VH
  Very High heat & humidity
• 255
  255 mm of monthly rainfall
• 11
  11+ (Extreme) UV index
• 29
  29°C sea temperature

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The August weather guide for Costa Rica (Tamarindo) 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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Tamarindo August sunrise & sunset times

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

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