December weather forecastShillong, India

December

Weather in December

The first month of the winter, December, is still a refreshing month in Shillong, India, with an average temperature ranging between max 18.3°C (64.9°F) and min 7°C (44.6°F).

Temperature

The average high-temperature during December is an enjoyable 18.3°C (64.9°F), almost matching the conditions of the preceding month. Shillong records a steady low-temperature average of 7°C (44.6°F) during December.

Humidity

The average relative humidity in December in Shillong, India, is 85%.

Rainfall

In Shillong, in December, during 11.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Shillong, during the entire year, the rain falls for 267.8 days and collects up to 3001mm (118.15") of precipitation.

Daylight

December has the shortest days of the year in Shillong, with an average of 10h and 36min of daylight.
On the first day of the month, sunrise is at 5:51 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:08 am and sunset at 4:42 pm IST.

Sunshine

In December, the average sunshine is 6.7h.

UV index

The months with the lowest UV index in Shillong are January, February, October through December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 18.3°C (64.9°F) and 7°C (44.6°F) respectively.

In Shillong, India, the average relative humidity in December is 85%.

In Shillong, India, in December, during 11.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

The month with the shortest days in Shillong, India, is December, with an average of 10h and 36min of daylight.

In Shillong, the average day length in December is 10h and 35min.

In December, on the first day of the month, sunrise is at 5:51 am and sunset at 4:31 pm. On the last day of the month, in Shillong, sunrise is at 6:08 am and sunset at 4:42 pm IST.

In December, the average sunshine duration is 6.7h.

January, February, October through December, with an average maximum UV index of 4, are months with the lowest UV index in Shillong, India.

The average daily maximum UV index in December in Shillong, India, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

21.1°C

18.3°C

17.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

3km/h

3.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

10.4

16.3

18.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Shillong, India

Average high temperature in December: 18.3°C

The warmest months (with the highest average high temperature) are June, July and August (24.3°C).
The month with the lowest average high temperature is January (17.8°C).

Average low temperature in December: 7°C

The months with the highest average low temperature are July and August (18.8°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

Average pressure in December
Shillong, India

Average pressure in December: 1015.3mbar

The month with the highest atmospheric pressure is January (1015.9mbar).
The month with the lowest atmospheric pressure is July (1002.1mbar).

Average wind speed in December
Shillong, India

Average wind speed in December: 2.6km/h

The windiest month (with the highest average wind speed) is July (5.5km/h).
The calmest months (with the lowest average wind speed) are November and December (2.6km/h).

Average humidity in December
Shillong, India

Average humidity in December: 85%

The months with the highest relative humidity are July and August (95%).
The month with the lowest relative humidity is March (65%).

Average rainfall in December
Shillong, India

Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is July (615mm).
The driest month (with the least rainfall) is January (21mm).

Average rainfall days in December
Shillong, India

Average rainfall days in December: 11.5 days

The months with the highest number of rainy days are July and August (31 days).
The month with the least rainy days is February (8 days).

Average daylight in December /
Average sunshine in December
Shillong, India

Average daylight in December: 10h and 36min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

Average sunshine in December: 6h and 42min

The month with the most sunshine is March (Average sunshine: 9h and 12min).
The month with the least sunshine is August (Average sunshine: 4h and 24min).

Average sunshine days in December
Shillong, India

Average sunshine days in December: 16.3 days

The month with the most sunshine days is February (19.2 days).
The months with the least sunshine days are July, August and September (0 days).

Average UV index in December
Shillong, India

Average UV index in December: 4

The months with the highest UV index are March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 4).