Kathmandu Weather in December
Nepal · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
December in Kathmandu sees average temperatures ranging from a low of 6.0°C (42.8°F) to a high of 18.2°C (64.8°F), with a mean of 11.7°C (53.1°F). Compared to the annual average of 17.7°C (63.9°F), this month is 6.0°C cooler than the yearly norm. Precipitation averages 6.4mm, making it approximately 243.0mm drier than the monthly average of 249.0mm. This is the driest month of the year, with just 6.4mm of precipitation. The city receives an average of 9.3 hours of sunshine per day during December, with relative humidity averaging 70.8%. Wind speeds reach an average maximum of 8.6 km/h. For travelers, this month offers a temperature experience in Kathmandu, with drier-than-average conditions compared to the rest of the year.
Kathmandu's subtropical highland climate is shaped by its position in the Kathmandu Valley. I've studied the data and found that the city experiences mild temperatures year-round, with a monsoon season from June to September. The best time for visiting is October to May, when the weather is dry and the Himalayan views are clearest.
December vs Adjacent Months
| Metric | November | December | January |
|---|---|---|---|
| Mean Temp | 14.9°C (58.8°F) | 11.7°C (53.1°F) | 10.2°C (50.4°F) |
| Rainfall | 8.8mm | 6.4mm | 23.1mm |
| Sunshine | 9.7 hrs | 9.3 hrs | 9.2 hrs |
| Humidity | 74.6% | 70.8% | 69.9% |
| Wind | 8.6 km/h | 8.6 km/h | 9.4 km/h |
| Rainy Days | 7.0 | 4.2 | 6.6 |
Seasonal Context
December falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Kathmandu in December, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Kathmandu in December?
The average temperature in Kathmandu during December ranges from 6.0°C (42.8°F) to 18.2°C (64.8°F), with a mean of 11.7°C (53.1°F).
How much does it rain in Kathmandu in December?
Kathmandu receives an average of 6.4mm of precipitation in December, spread across approximately 4.2 rainy days. This is the driest month of the year.
What should I pack for Kathmandu in December?
Based on December weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is December a good time to visit Kathmandu?
December is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Kathmandu
Cities with Similar December Climate (Subtropical Highlands)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 27.72°, 85.32°. Timezone: Asia/Kathmandu. Last updated: 2026-07-30.