December weather forecast
Kathmandu, Nepal

December in Kathmandu is characterized by the full onset of winter, with temperatures dropping further, culminating in colder days and even colder nights. Despite the frigid weather, the city still holds a charm with its clear, sunny days and chilly breezy nights. Compared to November, December experiences a slight increase in rainfall, but it remains relatively dry. As the year rounds off, preparations for the new year festivities fill the air with anticipation and satisfaction. Winter wear is a must during this month for a comfortable vacation.

Temperature

The transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 23.6°C (74.5°F) in November to an agreeable 20.2°C (68.4°F). Despite soaring daytime temperatures, Kathmandu registers a consistent average low-temperature of 3.7°C (38.7°F) in December.

Humidity

The average relative humidity in December in Kathmandu is 80%.

Rainfall

In December, in Kathmandu, the rain falls for 1 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In Kathmandu, during the entire year, the rain falls for 110 days and collects up to 1455mm (57.28") of precipitation.

Daylight

The month with the shortest days in Kathmandu is December, with an average of 10h and 24min of daylight.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:08 pm. On the last day of December, sunrise is at 6:54 am and sunset at 5:19 pm +0545.

Sunshine

In Kathmandu, the average sunshine in December is 8.1h.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Kathmandu, Nepal. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in December transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.