December weather forecastItanagar, India

December

Weather in December

December, the first month of the winter in Itanagar, is still a pleasant month, with an average temperature varying between 20.3°C (68.5°F) and 10.7°C (51.3°F).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's moderately hot 23.6°C (74.5°F) to a pleasant 20.3°C (68.5°F). Itanagar experiences a mean temperature of 10.7°C (51.3°F) during December nights.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Itanagar, India, during December, the rain falls for 12.3 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, in Itanagar, India, there are 264.5 rainfall days, and 2237mm (88.07") of precipitation is accumulated.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year in Itanagar.
On the first day of the month, sunrise is at 5:47 am and sunset at 4:21 pm. On the last day of December, sunrise is at 6:04 am and sunset at 4:32 pm IST.

Sunshine

In Itanagar, the average sunshine in December is 8.3h.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the UV index of 4 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

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

Frequently asked questions

In Itanagar, in December, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 10.7°C (51.3°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 34°C (93.2°F).

In Itanagar, India, the average relative humidity in December is 73%.

In Itanagar, India, in December, it is raining for 12.3 days, with typically 22mm (0.87") of accumulated precipitation.

December has the shortest days of the year in Itanagar, India, with an average of 10h and 30min of daylight.

In December, the average day length is 10h and 28min.

In December, on the first day of the month, sunrise is at 5:47 am and sunset at 4:21 pm. On the last day of the month, in Itanagar, India, sunrise is at 6:04 am and sunset at 4:32 pm IST.

In Itanagar, India, the average sunshine duration in December is 8.3h.

January and December, with an average maximum UV index of 4, are months with the lowest UV index.

In Itanagar, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

23.6°C

20.3°C

19.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8km/h

4.7km/h

4.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.4

14.2

14.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Itanagar, India

Average high temperature in December: 20.3°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (19.8°C).

Average low temperature in December: 10.7°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).

Average pressure in December
Itanagar, India

Average pressure in December: 1016mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is July (1003.6mbar).

Average wind speed in December
Itanagar, India

Average wind speed in December: 4.4km/h

The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are August and September (4.1km/h).

Average humidity in December
Itanagar, India

Average humidity in December: 73%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is March (64%).

Average rainfall in December
Itanagar, India

Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is July (535mm).
The driest month (with the least rainfall) is January (19mm).

Average rainfall days in December
Itanagar, India

Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (30.6 days).
The month with the least rainy days is January (10.4 days).

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

Average daylight in December: 10h and 30min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

Average sunshine in December: 8h and 18min

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in December
Itanagar, India

Average sunshine days in December: 14.2 days

The month with the most sunshine days is January (14.4 days).
The month with the least sunshine days is June (0.1 days).

Average UV index in December
Itanagar, India

Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 4).