The weather should be good. You can expect perfectly sunning days, afternoon rain storms, and warm evenings.
Everything starts turning green again after the dry season, and it is so beautiful!
Everything will be open. Sometimes later in the year tour companies and hotels close because there are just not enough demand.
Wildlife can be more active because the temperatures cool down a bit. It’s a great time to visit national parks!
You may have to contend with afternoon rain.
The mosquitoes tend to be worse in the rainy season versus dry season
Rates go down a bit, but not as much as later in the year
Want more info on what you can expect when visiting Costa Rica in May? Swipe Up for the complete May travel guide