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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 August

Mixed month. Wet afternoons.

Key facts

Verdict
Mixed
Temperature
26°C / 18°C
average high / low
Rain days
20
Crowds
Medium
Costa Rica overall
Prices
Medium
Costa Rica overall

Verdict

MixedVoykit month rating for San José

Wet afternoons.

Weather in August

Long-term averages
  • San JoséHighs around 26 °C, lows around 18 °C, rain on about 20 days
  • Central Valley and mountains, Costa Rica · San José, Monteverde, Poás, Irazúrainy

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

Peak wet season season

Lowest prices and quiet museums.

Watch: September and October are the wettest; landslides close some rural roads.

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.

  • Virgin of Los Ángeles pilgrimage and holiday

    1–2 August · Road to Cartago

    Walkers fill the road east; buses disrupted on 2 August.

Crowds and prices

Crowds · Costa Rica overall
Medium
Prices · Costa Rica overall
Medium

Costa Rica overall: Humpback whales off Uvita (Aug–Oct); rain most afternoons.

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 August →