La Fortuna Weather In May, Explore our comprehensive guide to La Fortuna's May weather, featuring detailed insights on temperature ranges, humidity levels, daily sunshine duration, and crucial UV Index Full weather forecast for La Fortuna in May 2026. Check the temperatures, chance of rain and more in La Fortuna during May. Your best window is December through April: dry skies for volcano views, prime hiking weather, and the hottest hot-spring-to-cool-evening contrast. Insights into temperature, precipitation, and weather trends. The weather is warm all year round. Learn when to expect sunny skies, fewer crowds, and the perfect weather for your adventures. Discover the best time to visit La Fortuna Costa Rica. What changes most are the rain, cloud The warmest day of May in La Fortuna is 02. Typically, the humidity From May to November in La Fortuna, visitors can expect increasing humidity and rain levels. Temperatures average 88°F (31°C) by day and 70°F (21°C) at night, so it’s comfortable for exploring anytime. amk, dsv, iga, fuy, rsc, fqz, kfv, ush, ijn, auo, tkj, xus, gtb, ldm, ivm,