When to go · May
Costa Rica in May
Workable but with caveats
Green season starts
Daytime high
27°C
81°F
Overnight low
16°C
61°F
Rainfall
230 mm
wet
Crowd levels
low
quiet
Prices
low
value window
What to expect in Costa Rica in May
May brings warm weather to Costa Rica, with daytime highs around 27°C (81°F) and overnight lows near 16°C (61°F). Skies are typically distinctly rainy, with about 230 mm of rainfall on average. Green season starts.
May is a quiet stretch — most attractions are easy to access and you'll often have spaces to yourself. It's one of the best-value windows of the year for both flights and hotels. Peak season runs December–March, for context.
Plan your trip
Live fares for Costa Rica in May
Compare flights across 100+ booking sites. Hotels via Expedia.
Costa Rica in other months
Where else is good to go in May
Japan in May
24°C high · medium crowds · great
Bali in May
31°C high · medium crowds · great
Italy in May
24°C high · medium crowds · great
France in May
20°C high · medium crowds · great
Spain in May
23°C high · medium crowds · great
Portugal in May
22°C high · medium crowds · great
Greece in May
25°C high · medium crowds · great
Turkey in May
23°C high · medium crowds · great