Unlock more jurisdiction sub-pages

Subscribe for full sub-page depth, saves, alerts, and exports.

See plans

Weather & Climate

Ilam, Koshi, Nepal

Overview

Available climate summaries for Ilam. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.

Key Metrics

Annual Avg
18.4°C
Summer Avg
22.6°C
Winter Avg
12.4°C
Record High
33.2°C
Record Low
1.2°C
Annual Precipitation
1544.8 mm
Avg Humidity
67%
Summer Humidity
86%
Winter Humidity
51%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan22.7°11.1°1.9°5.950%9920.7
Feb27.6°13.7°2.3°12.345%11736.8
Mar31.6°17.5°3.7°30.140%16531.3
Apr33.2°20.8°9.5°63.648%17432.8
May32.7°22.2°13.4°143.865%17539.5
Jun32.7°23.1°17°234.679%14728.8
Jul30.2°22.5°17.8°418.889%13528.1
Aug29.1°22.3°17.5°317.190%14324.3
Sep27.4°21.2°15.3°241.589%13023.1
Oct27°18.7°11.6°70.180%13918.7
Nov25.1°15.4°6.9°4.269%12017.6
Dec22.6°12.4°1.2°2.859%10117.8

Data sources

Estimates and unverified origins

Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.

Subscribe to unlock more jurisdiction sub-pages this month.

You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.