Kolkata
India
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Kolkata, India

The sun rising above the magnificent Victoria Memorial monument and museum in Kolkata, India
The sun rising above the magnificent Victoria Memorial monument and museum in Kolkata, India
Diciembre, the first month of the winter, in Kolkata, is still a warm month, with average temperature varying between 14.5°C (58.1°F) and 27°C (80.6°F).

Temperature

In Kolkata, the average high-temperature marginally drops, from a hot 30.3°C (86.5°F) in Noviembre, to a moderately hot 27°C (80.6°F). The average low-temperature, in Diciembre, is 14.5°C (58.1°F).

Heat index

In Diciembre, the average heat index is evaluated at 28.7°C (83.7°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Kolkata, India, the average relative humidity is 68%.

Rainfall

In Kolkata, in Diciembre, during 0.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, there are 101.5 rainfall days, and 1800mm (70.87") of precipitation is accumulated.

Daylight

The month with the shortest days is Diciembre, with an average of 10.8h of daylight.

Sunshine

In Diciembre, the average sunshine is 6.6h.

UV index

With an average maximum UV index of 6, Diciembre is the month with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In Diciembre, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in Diciembre in Kolkata?

The average high-temperature, in Diciembre, in Kolkata, is 27°C (80.6°F), while the average low-temperature is 14.5°C (58.1°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines both air temperature and relative humidity, in Diciembre is evaluated at 28.7°C (83.7°F).

What is the average humidity in Diciembre in Kolkata?

In Diciembre, the average relative humidity is 68%.

How many days does it rain in Diciembre in Kolkata?

In Kolkata, India, during Diciembre, the rain falls for 0.9 days and regularly aggregates up to 17mm (0.67") of precipitation.

What is the month with the shortest days in Kolkata?

The month with the shortest days in Kolkata is Diciembre, with an average of 10.8h of daylight.

What is the average length of the day in Diciembre in Kolkata?

The average length of the day in Diciembre is 10.8h.

How many hours of sunshine does Kolkata have in Diciembre?

The average sunshine in Diciembre in Kolkata, India, is 6.6h.

What is the month with the lowest UV index in Kolkata?

The month with the lowest UV index is Diciembre, with an average maximum UV index of 6.

What is the UV index intensity in Diciembre in Kolkata?

In Diciembre, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Kolkata, India
  • Average high temperature in December: 27°C

The warmest month (with the highest average high temperature) is May (35.4°C).
The month with the lowest average high temperature is January (26.4°C).

  • Average low temperature in December: 14.5°C

The month with the highest average low temperature is June (26.5°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).

Average humidity in December - Kolkata, India
  • Average humidity in December: 68%

Months with the highest relative humidity are July and August (83%).
Months with the lowest relative humidity are February and March (58%).

Average rainfall in December - Kolkata, India
  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is July (411mm).
The driest month (with the lowest rainfall) is January (11mm).

Average rainfall days in December - Kolkata, India
  • Average rainfall days in December: 0.9 days

The month with the highest number of rainy days is July (20.5 days).
The month with the lowest number of rainy days is December (0.9 days).

Average daylight in December / Average sunshine in December - Kolkata, India
  • Average daylight in December: 10.8h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

  • Average sunshine in December: 6.6h

The month with most sunshine is April (Average sunshine: 7.8h).
The month with least sunshine is July (Average sunshine: 3h).

Average UV index in December - Kolkata, India
  • Average UV index in December: 6

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).