Costa Rica Climate
Climate Zone and Historical Climate Data
Costa Rica Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Am | Tropical monsoon | Tropical | 3 | Alajuela Heredia San José |
| Aw | Tropical wet and dry or savanna | Tropical | 2 | Guanacaste Puntarenas |
| Af | Tropical rainforest | Tropical | 1 | Limón |
| Cfb | Marine west coast, warm summer | Temperate | 1 | Cartago |
Summary: Most regions (3) in Costa Rica lie in the Tropical monsoon climate zone (Köppen: Am). The mean average of annual temperatures range from a high of 27.88°C (82.18°F) in Guanacaste to a low of 20.08°C (68.14°F) in Cartago.
Climate Costa Rica: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 30.84(87.51) | 32.61(90.7) | 33.94(93.09) | 34.98(94.96) | 33.01(91.42) | 30.82(87.48) | 30.43(86.77) | 30.83(87.49) | 30.19(86.34) | 29.76(85.57) | 29.26(84.67) | 29.6(85.28) | 34.98(94.96) |
| Average high °C (°F) | 26.71(80.08) | 27.89(82.2) | 28.62(83.52) | 28.87(83.97) | 27.38(81.28) | 26.39(79.5) | 26.21(79.18) | 26.49(79.68) | 26.13(79.03) | 25.43(77.77) | 25.55(77.99) | 25.83(78.49) | 26.79(80.22) |
| Daily mean °C (°F) | 22.83(73.09) | 23.7(74.66) | 24.39(75.9) | 25.06(77.11) | 24.53(76.15) | 23.83(74.89) | 23.44(74.19) | 23.62(74.52) | 23.48(74.26) | 22.95(73.31) | 22.61(72.7) | 22.41(72.34) | 23.57(74.43) |
| Average low °C (°F) | 17.54(63.57) | 17.83(64.09) | 18.37(65.07) | 19.7(67.46) | 20.56(69.01) | 20.22(68.4) | 19.46(67.03) | 19.52(67.14) | 19.77(67.59) | 19.39(66.9) | 18.67(65.61) | 17.83(64.09) | 19.07(66.33) |
| Record low °C (°F) | 13.56(56.41) | 13.75(56.75) | 14.32(57.78) | 15.7(60.26) | 16.78(62.2) | 16.71(62.08) | 15.74(60.33) | 15.81(60.46) | 16.21(61.18) | 15.87(60.57) | 14.84(58.71) | 13.94(57.09) | 13.56(56.41) |
| Average precipitation mm (inches) | 38.41(1.51) | 28.27(1.11) | 30.13(1.19) | 76.52(3.01) | 271.66(10.7) | 299.53(11.79) | 248.55(9.79) | 284.18(11.19) | 303.56(11.95) | 332.04(13.07) | 171.85(6.77) | 80.34(3.16) | 180.42(7.1) |
| Average precipitation days (≥ 1.0 mm) | 5.77 | 5.9 | 6.44 | 13.21 | 23.22 | 24.66 | 24.01 | 23.65 | 25.96 | 26.0 | 20.71 | 11.08 | 17.55 |
| Average relative humidity (%) | 74.05 | 70.79 | 70.27 | 72.81 | 79.78 | 84.42 | 83.49 | 83.37 | 85.1 | 86.15 | 84.26 | 79.27 | 79.48 |
| Mean monthly sunshine hours | 10.32 | 10.78 | 10.91 | 10.95 | 10.31 | 10.66 | 11.38 | 10.4 | 10.04 | 9.78 | 10.14 | 10.55 | 10.52 |
Costa Rica Climate Graph
Costa Rica’s Cities by Temperature
Costa Rica’s states/regions ranking by average yearly temperature:
| Guanacaste | 27.88°C | 82.18°F | |
| Puntarenas | 27.35°C | 81.23°F | |
| Limón | 27.13°C | 80.83°F | |
| Alajuela | 21.91°C | 71.44°F | |
| Heredia | 20.33°C | 68.59°F | |
| San José | 20.33°C | 68.59°F | |
| Cartago | 20.08°C | 68.14°F |
States/Regions
Popular places in Costa Rica
- Luisiana Cartago
- Echeverria Heredia
- Ceiba Heredia
- Boca De Los Chiles Alajuela
- Cordoncillo Puntarenas
- Rio Jimenez Limón
- Mata De Cana Guanacaste
- Guerra Puntarenas
- Cajon San José
- Sabalos Puntarenas
- Maquenco Guanacaste
- Banderilla Cartago
- Santa Barbaraa Heredia
- Altamira Alajuela
- Libertad Guanacaste
- Botija Guanacaste
- Carmona San José
- Miramar Puntarenas
- Bolivar San José
- Cahuita Limón
- Ayala San José
- Jicaral Puntarenas
- Caldera Puntarenas
- Birris Cartago
- Nuestro Amo Alajuela
- Purisil Cartago
- Swamp Mouth Limón
- La Caja Heredia
- Katsi Limón
- Bajo Paires Guanacaste
- Comunidad Guanacaste
- San Luis Heredia
- Orosi Cartago
- Bocana Puntarenas
- Herediana Limón
- Galilea Guanacaste
- Canalete Alajuela
- Curridabat San José
- Grecia Alajuela
- Jesus Maria Alajuela
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