Weather in Costa Rica in December
Costa Rica offers a mild climate with frequent rainfall (avg 17.6°C, 23 rainy days). Weather score: 5.1/10 · Good
Avg temp
17.6°C
Daytime high
20.3°C
Night low
15.4°C
Rainy days
23
Sun per day
9.1 h
Costa Rica climate table – all 12 months
| Month | Avg temp | High | Low | Rainy days | Sun/day | Score |
|---|---|---|---|---|---|---|
| January | 17°C | 19.8°C | 14.5°C | 22 | 9.8 h | 3.5/10 |
| February | 17°C | 20.1°C | 14.3°C | 19 | 10.5 h | 5.1/10 |
| March | 17.5°C | 20.6°C | 15°C | 21 | 10 h | 5.1/10 |
| April | 18.7°C | 21.6°C | 16.3°C | 22 | 9.3 h | 5.1/10 |
| May | 19.4°C | 22°C | 17.2°C | 27 | 8.3 h | 5.1/10 |
| June | 19.3°C | 21.8°C | 17.2°C | 28 | 7.9 h | 4.4/10 |
| July | 18.9°C | 21.4°C | 16.7°C | 28 | 7.7 h | 4.4/10 |
| August | 19.1°C | 21.7°C | 16.8°C | 28 | 8.2 h | 5.1/10 |
| September | 19.3°C | 21.9°C | 16.9°C | 28 | 8.4 h | 5.1/10 |
| October | 19.2°C | 21.8°C | 16.9°C | 28 | 7.9 h | 4.4/10 |
| November | 18.5°C | 21°C | 16.5°C | 26 | 7.8 h | 4.4/10 |
| December | 17.6°C | 20.3°C | 15.4°C | 23 | 9.1 h | 5.1/10 |
Top alternatives in December
Chile
Santiago · ⭐ 10
Thailand
Bangkok · ⭐ 10
Thailand
Thailand · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Australia
Perth · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Frequently asked questions about Costa Rica in December
How warm is it in Costa Rica in December?
In December, Costa Rica averages 17.6°C, with daytime highs of 20.3°C and night lows of 15.4°C.
Does it rain a lot in Costa Rica in December?
December sees around 23 rainy days and about 328.3 mm of rainfall in Costa Rica.
Is December a good month to visit Costa Rica?
December scores 5.1/10 for Costa Rica. Costa Rica offers a mild climate with frequent rainfall (avg 17.6°C, 23 rainy days).