SeasonScore
Costa Rica, Costa Rica
Photo: Henry Zbyszynski · CC BY 2.0

Costa Rica

Costa Rica in December

🌦️ Shoulder (showers)

Pleasant, a little humid and some showers.

Best months: Jan (9.6), Feb (9.5), Mar (9.4)

‹
Every month at a glanceTap a month to open it
›

Why December scores 9.2What goes into the score

How it works
🌡️ 24° / 17°C🌧️ 81 mm💧 dew pt 18°🍃 PM2.5 8
  • Weather comfort9.1
    • ✓Comfortable temperatures (23.7°C highs / 16.5°C lows)
    • ✓Humid (dew point 17.5°C)
    • ✓Mostly dry (~81 mm rain)
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut December side by side with another month
DecJan
Score9.2 Excellent9.6 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low24° / 17°24° / 16°
Rain81 mm37 mm
Humiditydew pt 18°dew pt 17°
PM2.58 µg/m³5 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Costa RicaEvents, sights, food & souvenirs

Check event dates locally

A Central American country known for rainforests, volcanoes, wildlife, two coastlines and eco-tourism.

Events in December

No major events on our calendar for December.

Coming up later

Fiestas de PalmaresDate variesUsually January

A large festival with concerts, bullfighting and a horse parade.

Why go: Very crowded and loud.

Where: Palmares, Alajuela

Día del BoyeroDate variesUsually the second Sunday of March

A parade of painted oxcarts honouring the country's ox drivers.

Why go: Close to San José.

Where: San Antonio de Escazú

Green sea turtle nestingDate variesUsually July to October

Green turtles come ashore to lay eggs at night.

Why go: Night beach visits are only allowed with licensed guides.

Where: Tortuguero