Costa Rica weather in May 2025

Expect 77°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Costa Rica in May. Check more long-term weather averages for Costa Rica in May before you book your next holiday to Costa Rica in 2025/2026.

  • 77°F maximum daytime temperature in May in Costa Rica (San Jose)77
    77°F max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in May in Costa Rica (San Jose)19
    19 days with some rainfall
  • 63°F minimum night-time temperature in May in Costa Rica (San Jose)63
    63°F min night temperature
  • 13 hours of daylight per day in May in Costa Rica (San Jose)13
    13 hours of daylight per day
  • Low heat & humidity in May in Costa Rica (San Jose)L
    Low heat & humidity
  • 10.3 inches monthly rainfall in May in Costa Rica (San Jose)10.3
    10.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Costa Rica (San Jose)11
    11+ (Extreme) UV index

More about Costa Rica

Costa Rica by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Costa Rica

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The May weather guide for Costa Rica (San Jose) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Costa Rica destinations

Below are average maximum temperatures at popular countries, regions and places in Costa Rica in May. Select a holiday destination to see more weather parameters.

All Costa Rica destinations

Metric (°C)  |  Imperial (°F)

Back to top

More about Costa Rica

How hot is it in Costa Rica in May?

Daytime temperatures usually reach 77°F in San Jose, Costa Rica in May with low heat and humidity, falling to 63°F at night.

How sunny is it in Costa Rica in May?

There are normally 7 hours of bright sunshine each day in San Jose, Costa Rica in May - that's 52% of daylight hours.

Does it rain in Costa Rica in May?

There are usually 19 days with some rain in San Jose, Costa Rica in May and the average monthly rainfall is 10.3 inches.

Costa Rica May sunrise & sunset times

Browse the sunrise and sunset times for Costa Rica in May 2025. Select a month to view Costa Rica sunrise and sunset times for the next 12 months. The Costa Rica sunrise and sunset times shown below are for San Jose.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:19 17:48
Friday, 16th May 2025 05:15 17:50
Saturday, 31st May 2025 05:14 17:54

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^