☀️ Yes! Average temperature: 28°C
Yes! Average temperatures of 28°C make it pleasantly warm and ideal for sun-seekers. Costa Rica in May has an average air temperature of 28°C with sea temperatures around 28°C. You can expect 6 hours of sunshine per day and 180mm of rainfall, which means heavy rainfall — pack waterproofs.
At 28°C the sea is like a warm bath — perfect for swimming, snorkelling, and diving. With 6 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Bring summer clothes, sunscreen, sunglasses, and a light cardigan for air-conditioned venues.
Costa Rica is one of the top warm destinations for May holidays from the UK. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Costa Rica stacks up against similar destinations in May:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Costa Rica | 28°C | 28°C | 180mm | 6h |
| Bali | 28°C | 28°C | 80mm | 8h |
| Bora Bora | 28°C | 28°C | 100mm | 7h |
| Diani Beach | 28°C | 27°C | 250mm | 6h |
| Hawaii | 28°C | 25°C | 20mm | 9h |
| Pemba Island | 28°C | 27°C | 200mm | 6h |
See how Costa Rica's temperature changes throughout the year:
Looking for somewhere warm in May? These destinations are all 25°C+:
Yes, Costa Rica in May has average temperatures of 28°C, making it a warm destination. Sea temperatures are 28°C.
Yes, the sea temperature of 28°C is very comfortable for swimming.
Bring summer clothes, sunscreen, sunglasses, and a light cardigan for air-conditioned venues.
May is an excellent time to visit Costa Rica with warm weather and 6 hours of daily sunshine.
Compare temperatures, sea conditions & sunshine for 70+ destinations worldwide
Explore All Destinations →