Climate almanac
Atenas
Alajuela Province, Costa Rica · 9.97°, -84.38°
What is the climate like in Atenas?
The best time to visit Atenas is typically January – March, with trip comfort peaking in February (8.8/10). Atenas is warmest in March, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 68°F (20°C). The wettest month is typically October and the driest is February; the year sees roughly 124 in (3155 mm) of precipitation.
- Best time to visitJanuary – March — comfort peaks in February (8.8/10)
- Warmest monthMarch — average high 85°F (30°C)
- Coolest monthJanuary — average low 68°F (20°C)
- Wettest monthOctober (22 in (564 mm))
- Driest monthFebruary (0.7 in (17 mm))
- Annual precipitation124 in (3155 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromJuan Santamaria Intl, 19 km away (1973-2025)