Climate almanac
Casillas
Santa Rosa Department, Guatemala · 14.42°, -90.24°
What is the climate like in Casillas?
The best time to visit Casillas is typically December – April, with trip comfort peaking in February (8.7/10). Casillas is warmest in April, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 55°F (13°C). The wettest month is typically June and the driest is February; the year sees roughly 71 in (1806 mm) of precipitation.
- Best time to visitDecember – April — comfort peaks in February (8.7/10)
- Warmest monthApril — average high 83°F (28°C)
- Coolest monthJanuary — average low 55°F (13°C)
- Wettest monthJune (15 in (387 mm))
- Driest monthFebruary (0.3 in (8 mm))
- Annual precipitation71 in (1806 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)