December · Costa Rica
Best time to visit Tamarindo in December Weather, crowds & prices
Weather in Tamarindo in December
Average temperature 26°C, 29 mm of rain, about 19 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.3/10
Ranked #5 of 12 months
- Avg temp
- 26°C
- Rainfall
- 29 mm
- Humidity
- 84%
- Days with 6h+ sun
- 19
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Tamarindo scores 9.3/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 26°C, 29 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Tamarindo is Guanacaste's surf-and-sunset beach town with leatherback nesting and estuary wildlife nearby. Best window: the drier months outside peak monsoon.
December ranks 5th of 12 for Tamarindo — one of the best windows
Days in December average 26°C (79°F) and humidity near 84% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 29 mm of rain, any showers tend to pass through rather than settle in; about 19 days with 6+ hours of sunshine and 11.4 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Tamarindo at 9.3/10 (5th of 12), just behind January at 9.9/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Budget for peak pricing, and this is one of the busiest months here.
Frequently asked
- What is the weather like in Tamarindo in December?
- In December, Tamarindo averages 26°C, 29 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
- Is December a good time to visit Tamarindo?
- December earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tamarindo in December?
- Expect about 29 mm of rain in December. Average humidity is 84% and there are about 19 days with 6+ hours of sunshine.
Curated in Tamarindo
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Tamarindo, Costa Rica. Live activities and tours from GetYourGuide, matched to this destination.