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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · San José

San José in May

Mixed month. Green season starts; afternoon showers.

Key facts

Verdict
Mixed
Temperature
27°C / 18°C
average high / low
Rain days
19
Crowds
Low
Costa Rica overall
Prices
Low
Costa Rica overall

Verdict

MixedVoykit month rating for San José

Green season starts; afternoon showers.

Weather in May

Long-term averages
  • San JoséHighs around 27 °C, lows around 18 °C, rain on about 19 days
  • Central Valley and mountains, Costa Rica · San José, Monteverde, Poás, Irazúfine

    Spring-like 18–26 °C; Monteverde is cool, windy and misty — pack a fleece.

Early green season season

Green hillsides and fewer visitors; rain mostly after 13:00.

Watch: Afternoon downpours; a short drier spell in July some years.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Labour Day

    1 May · Nationwide

    Public holiday; shops and museums closed.

Crowds and prices

Crowds · Costa Rica overall
Low
Prices · Costa Rica overall
Low

Costa Rica overall: Green season starts: sunny mornings, afternoon storms, lower prices.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Costa Rica in May →