December weather forecast
Lukla, Nepal

The valley village of Lukla, Nepal, overlooking the beautiful Himalayas, viewed from Khumbu Valley
The valley village of Lukla, Nepal, overlooking the beautiful Himalayas, viewed from Khumbu Valley

December

Weather in December

December concludes the annual weather cycle in Lukla, offering a full-fledged winter experience. It's a time when chilly winds, lower temperatures, and regular snow showers become the norm, coating the town in a fresh layer of pristine white. Exhibiting the year's second-lowest average high temperature at -1.5°C (29.3°F), December reaffirms its spot as a prominent winter month. January will proceed with similar, if not colder, conditions with the climate staying true to its freezing winter characteristic. Despite the sub-zero temperatures, lengthened sunshine periods offer a welcoming warmth amid the cold.

Temperature

As November transitions into December, Lukla records an average high-temperature of a subzero cold -1.5°C (29.3°F), showing a gentle shift from the preceding month. An average low-temperature of -11.8°C (10.8°F) marks the month of December.

Humidity

December is the least humid month in Lukla, with an average relative humidity of 41%.

Rainfall

In Lukla, in December, during 1.3 rainfall days, 9mm (0.35") of precipitation is typically accumulated. In Lukla, during the entire year, the rain falls for 142.5 days and collects up to 1206mm (47.48") of precipitation.

Snowfall

January through December are months with snowfall. In Lukla, in December, snow falls for 3.7 days, with typically accumulated 69mm (2.72") of snow. Throughout the year, there are 164.6 snowfall days, and 3156mm (124.25") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 24min of daylight.
On the first day of December, sunrise is at 6:31 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:13 pm +0545.

Sunshine

The average sunshine in December is 7.5h.

UV index

The months with the highest UV index are January through April, June through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

How cold is December?
December temperatures vary between a high-temperature of -1.5°C (29.3°F) and a low-temperature of -11.8°C (10.8°F).
What is the least humid month?
The least humid month is December, with an average relative humidity of 41%.
What is the average humidity in December?
In Lukla, the average relative humidity in December is 41%.
How many days does it rain in December?
In December, the rain falls for 1.3 days. Throughout December, 9mm (0.35") of precipitation is accumulated.
How many days does it snow in December?
In Lukla, during December, snow falls for 3.7 days and regularly aggregates up to 69mm (2.72") of snow.
What is the month with the shortest days?
With an average of 10h and 24min of daylight, December has the shortest days of the year.
How many hours of daylight does Lukla have in December?
In Lukla, the average day length in December is 10h and 26min.
When is the sunrise / sunset in December?
In December, on the first day of the month, sunrise is at 6:31 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:13 pm +0545.
How long on average sun shines in December?
The average sunshine duration in December is 7.5h.
When is the highest UV index?
January through April, June through December, with an average maximum UV index of 2, are months with the highest UV index.
What is the UV index intensity in December in Lukla?
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Lukla, Nepal
Average temperature in December
Lukla, Nepal
  • Average high temperature in December: -1.5°C

The warmest month (with the highest average high temperature) is July (8.3°C).
The month with the lowest average high temperature is January (-3.9°C).

  • Average low temperature in December: -11.8°C

The month with the highest average low temperature is July (5°C).
The coldest month (with the lowest average low temperature) is January (-14.7°C).

Average pressure in December - Lukla, Nepal
Average pressure in December
Lukla, Nepal
  • Average pressure in December: 1017.4mbar

The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is July (1006.3mbar).

Average wind speed in December - Lukla, Nepal
Average wind speed in December
Lukla, Nepal
  • Average wind speed in December: 9.8km/h

The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

Average humidity in December - Lukla, Nepal
Average humidity in December
Lukla, Nepal
  • Average humidity in December: 41%

The month with the highest relative humidity is July (92%).
The month with the lowest relative humidity is December (41%).

Average rainfall in December - Lukla, Nepal
Average rainfall in December
Lukla, Nepal
  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is July (312mm).
The driest month (with the least rainfall) is November (8mm).

Average rainfall days in December - Lukla, Nepal
Average rainfall days in December
Lukla, Nepal
  • Average rainfall days in December: 1.3 days

The month with the highest number of rainy days is August (31 days).
The month with the least rainy days is December (1.3 days).

Average snowfall in December - Lukla, Nepal
Average snowfall in December
Lukla, Nepal
  • Average snowfall in December: 69mm

The month with the highest snowfall is May (614mm).
The month with the least snowfall is November (51mm).

Average snowfall days in December - Lukla, Nepal
Average snowfall days in December
Lukla, Nepal
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is May (24.4 days).
The month with the least snowfall days is December (3.7 days).

Average daylight in December / Average sunshine in December - Lukla, Nepal
Average daylight in December /
Average sunshine in December
Lukla, Nepal
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in December: 7h and 3min

The month with the most sunshine is April (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).

Average sunshine days in December - Lukla, Nepal
Average sunshine days in December
Lukla, Nepal
  • Average sunshine days in December: 26.4 days

The month with the most sunshine days is December (26.4 days).
The months with the least sunshine days are July and August (0 days).

Average UV index in December - Lukla, Nepal
Average UV index in December
Lukla, Nepal
  • Average UV index in December: 2

The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 2).
The month with the lowest UV index is May (UV index 1).

Average cloud cover in December - Lukla, Nepal
Average cloud cover in December
Lukla, Nepal
  • Average cloud cover in December: 7

The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is December (Cloud cover 7).

Average visibility in December - Lukla, Nepal
Average visibility in December
Lukla, Nepal
  • Average visibility in December: 10km

The months with the highest visibility are January, February and December (10km).
The months with the lowest visibility are July and August (7km).

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