San Jose weather in May 2021

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  • 25°C maximum daytime temperature in May in San Jose25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in May in San Jose19
    19 days with some rainfall
  • 17°C minimum night-time temperature in May in San Jose17
    17°C min night temperature
  • 13 hours of daylight per day in May in San Jose13
    13 hours of daylight per day
  • Low heat & humidity in May in San JoseL
    Low heat & humidity
  • 261 mm monthly rainfall in May in San Jose261
    261 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in San Jose11
    11+ (Extreme) UV index

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The May weather guide for San Jose, Costa Rica 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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How hot is it in San Jose in May?

Daytime temperatures usually reach 25°C in San Jose in May with low heat and humidity, falling to 17°C at night.

How sunny is it in San Jose in May?

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

Does it rain in San Jose in May?

There are usually 19 days with some rain in San Jose in May and the average monthly rainfall is 261mm.

San Jose sunrise & sunset times for May 2021

Browse the sunrise & sunset times for San Jose in May 2021. Select a month to view San Jose sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 05:19 17:48
Sunday, 16th May 2021 05:15 17:50
Monday, 31st May 2021 05:14 17:54
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Costa Rica in May for 2021/2022?

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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