Climate almanac
Ilām
Koshi, Nepal · 26.91°, 87.93°
What is the climate like in Ilām?
The best time to visit Ilām is typically November – December, with trip comfort peaking in November (7.2/10). Ilām is warmest in August, when daily highs average 78°F (26°C), and coolest in January, when lows fall to about 41°F (5°C). The wettest month is typically July and the driest is December; the year sees roughly 131 in (3326 mm) of precipitation.
- Best time to visitNovember – December — comfort peaks in November (7.2/10)
- Warmest monthAugust — average high 78°F (26°C)
- Coolest monthJanuary — average low 41°F (5°C)
- Wettest monthJuly (34 in (876 mm))
- Driest monthDecember (0.5 in (14 mm))
- Annual precipitation131 in (3326 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSiliguri, 49 km away (1957-2025)