Weather in Costa Rica in December
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn December, Costa Rica sees average highs of 24.3°C (75.7°F) and lows of 15.8°C. Conditions are warm and moderately rainy (10 rainy days), with roughly 10.4 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Costa Rica — every month compared. Once you know when to go, find your Costa Rica packing list at 247PackingList.
Get ready for Costa Rica in December
Search flights to Costa Rica
Compare 100+ airlines for December — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Costa Rica in December
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Costa Rica
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 24.7°C | 33.8mm | 10/10 |
| February | 25.9°C | 8.4mm | 10/10 |
| March | 26.5°C | 50.7mm | 10/10 |
| April | 26.5°C | 148.8mm | 9/10 |
| May | 25.7°C | 343.3mm | 8/10 |
| June | 24.2°C | 408.2mm | 8/10 |
| July | 24.8°C | 341.3mm | 8/10 |
| August | 24.7°C | 561.2mm | 8/10 |
| September | 24.9°C | 484.9mm | 8/10 |
| October | 24.2°C | 579.6mm | 8/10 |
| November | 23.7°C | 350.7mm | 8/10 |
| December | 24.3°C | 65.0mm | 10/10 |
Full month-by-month guide: best time to visit Costa Rica →
For facts about Costa Rica — currency, language and dialling code — see our Costa Rica country guide at 247CountryInfo. Travellers also find it useful to keep a Costa Rica travel guide to hand. Check clothing sizes in Costa Rica before you shop.
Frequently Asked Questions
Is December a good time to visit Costa Rica?
December rates 10/10 for visiting Costa Rica — excellent time to visit. Expect average highs of 24.3°C, 65.0mm of rain across the month and about 10.4 hours of daily sunshine.
What is the temperature in Costa Rica in December?
In December, Costa Rica has average highs of 24.3°C (75.7°F) and average lows of 15.8°C (60.4°F).
Does it rain in Costa Rica in December?
Some rain is likely. Costa Rica averages 65.0mm across about 10 rainy days in December, so a light waterproof layer is worth packing.
What should I wear in Costa Rica in December?
For Costa Rica in December (24.3°C highs / 15.8°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Costa Rica in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.