May · Costa Rica
Best time to visit Tamarindo in May Weather, crowds & prices
Weather in Tamarindo in May
Average temperature 29°C, 496 mm of rain, about 23 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.9/10
Ranked #7 of 12 months
- Avg temp
- 29°C
- Rainfall
- 496 mm
- Humidity
- 74%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Tamarindo scores 5.9/10 for beach and coastal travel - ranked #7 of 12. Expect around 29°C, 496 mm of rain, and roughly 23 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.
May in Tamarindo — workable with trade-offs
Days in May average 29°C (85°F) and humidity near 74% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 496 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 5.9/10 on the same scale — 7th of 12 months, versus 9.9/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Tamarindo — 4 points higher on the same scale.
Frequently asked
- What is the weather like in Tamarindo in May?
- In May, Tamarindo averages 29°C, 496 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 5.9/10.
- Is May a good time to visit Tamarindo?
- May earns a 5.9/10 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 May?
- Expect about 496 mm of rain in May. Average humidity is 74% and there are about 23 days with 6+ hours of sunshine.
Curated in Tamarindo
Tickets & experiences
Things to do in Tamarindo
Tamarindo, Costa Rica. Live activities and tours from GetYourGuide, matched to this destination.