Costa Rica weather in May 2023

  • 25°C maximum daytime temperature in May in Costa Rica (San Jose)25
    25°C 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
  • 17°C minimum night-time temperature in May in Costa Rica (San Jose)17
    17°C 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
  • 261 mm monthly rainfall in May in Costa Rica (San Jose)261
    261 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Costa Rica (San Jose)11
    11+ (Extreme) UV index

Below are average maximum temperatures at popular destinations in Costa Rica in May. Select a destination to see more weather parameters.

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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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Costa Rica

How hot is it in Costa Rica in May?

Daytime temperatures usually reach 25°C in San Jose, Costa Rica in May with low heat and humidity, falling to 17°C 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 261mm.

Costa Rica May sunrise & sunset times

Browse the sunrise and sunset times for Costa Rica in May 2023. 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
Monday, 1st May 2023 05:19 17:48
Tuesday, 16th May 2023 05:15 17:50
Wednesday, 31st May 2023 05:14 17:54

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