December Rainfall Averages for Costa Rica
The tables below give December averages for rainfall at cities and other locations in Costa Rica. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.
You can jump to a separate table for each region of the country: North – Central Costa Rica covering the provinces of Alajuela and Heredia, Western Costa Rica comprising Puntarenas and Guanacaste provinces, and Central & Eastern Costa Rica taking in San José, Cartago and Limón provinces.
The precipitation amounts are averages of weather data collected over many years.
North – Central Costa Rica
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 7 | Alajuela | 1.2 | 29 |
| 9 | Barva | 2.1 | 54 |
| – | Heredia | 2.2 | 57 |
| 21 | Los Chiles | 4.7 | 119 |
| 21 | Quesada | 16.0 | 407 |
| 23 | Upala | 7.4 | 187 |
Western Costa Rica
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 9 | Buenos Aires | 2.7 | 69 |
| – | Cañas | 0.8 | 21 |
| – | Filadelfia | 0.3 | 7 |
| 3 | Liberia | 0.4 | 11 |
| 4 | Nicoya | 0.4 | 10 |
| 4 | Puntarenas | 0.9 | 23 |
| 15 | Quepos | 6.1 | 154 |
| 17 | Río Claro | 10.3 | 261 |
Central & Eastern Costa Rica
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 21 | Cartago | 3.4 | 86 |
| 22 | Guapiles | 17.8 | 452 |
| 21 | Limón | 17.4 | 442 |
| – | San Isidro | 3.1 | 80 |
| 8 | San José | 1.3 | 32 |
| – | Sixaola | 13.1 | 333 |
| – | Turrialba | 11.3 | 287 |
Reference
Instituto Meteorológico Nacional De Costa Rica. Climatic Data..
World Meteorological Organization. World Weather Information Service. Costa Rica.