Tamarindo weather in August 2025

Expect daytime maximum temperatures of 31°C in Tamarindo, Costa Rica in August and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 255 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Tamarindo31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in August in Tamarindo21
    21 days with some rainfall
  • 23°C minimum night-time temperature in August in Tamarindo23
    23°C min night temperature
  • 12 hours of daylight per day in August in Tamarindo12
    12 hours of daylight per day
  • Very high heat & humidity in August in TamarindoVH
    Very High heat & humidity
  • 255 mm monthly rainfall in August in Tamarindo255
    255 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Tamarindo11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Tamarindo29
    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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How hot is it in Tamarindo in August?

Daytime temperatures usually reach 31°C in Tamarindo in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in Tamarindo in August?

There are normally 5 hours of bright sunshine each day in Tamarindo in August - that's 43% of daylight hours.

How warm is the sea around Tamarindo in August?

The average sea temperature around Tamarindo in August is 29°C.

Does it rain in Tamarindo in August?

There are usually 21 days with some rain in Tamarindo in August and the average monthly rainfall is 255mm.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:33 18:07
Saturday, 16th August 2025 05:34 18:01
Sunday, 31st August 2025 05:34 17:53

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