Verdict: Excellent month
Kathmandu Weather in December
December hits the sweet spot in Kathmandu — highs around 18°C (64°F), ideal for a full day on foot. Rain is a non-issue, with only ~1 wet day in an average year. Overall, December is one of the best months of the year to be in Kathmandu.
Average high
18°C / 64°F
Average low
6°C / 43°F
Rain days
~1
Precipitation
6 mm
What to pack for Kathmandu in December
- Layers — t-shirts under a light jacket or sweater
- Evenings turn genuinely cool — pack a warm layer for after dark
- Comfortable walking shoes — every guide on this site assumes you'll use them
December against the rest of the year
Warmest in Kathmandu: Jun (27°C / 81°F) · Coolest: Jan (17°C / 63°F) · Wettest: Jul (~31 rain days)
17°
5°
Jan
18°
6°
Feb
22°
11°
Mar
26°
14°
Apr
25°
16°
May
27°
19°
Jun
27°
20°
Jul
27°
20°
Aug
26°
19°
Sep
24°
15°
Oct
21°
10°
Nov
18°
6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)