December weather forecast
Thimphu, Bhutan

Closing the year, Thimphu's weather in December presents a full-fledged winter spectacle. As temperatures drop further, reaching lows of -1.1°C (30°F) and highs of 14.5°C (58.1°F), the city slips into its coldest phase. Peculiarly, December experiences a curiously low rainfall of 13mm (0.51"), asserting its position during the dry half of the year. The sun casts a shorter golden glow upon the city, making the days and nights longer. Overall, December epitomizes the Tibetan Plateau's typical winter weather.

Temperature

With the onset of December, the average high-temperature in Thimphu subtly recedes from November's enjoyable 17.9°C (64.2°F) to a mild 14.5°C (58.1°F). December in Thimphu is characterized by a distinct thermal shift, with nighttime lows averaging at a freezing cold -1.1°C (30°F).

Rainfall

In Thimphu, in December, 13mm (0.51") of precipitation is typically accumulated. During the entire year, Thimphu aggregates up to 1447mm (56.97") of precipitation.

Daylight

With an average of 10h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:34 and sunset at 17:06. On the last day of December, sunrise is at 06:51 and sunset at 17:17 +06.

Sunshine

In Thimphu, the average sunshine in December is 7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the UV index of 5 transforms into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.