December weather forecastBaddamulla, Sri Lanka

December

Weather in December

The first month of the winter, December, is still a warm month in Baddamulla, Sri Lanka, with an average temperature ranging between max 28.6°C (83.5°F) and min 20.4°C (68.7°F).

Temperature

Baddamulla experiences its lowest temperatures in December, with an average peak of 28.6°C (83.5°F) and a low of 20.4°C (68.7°F).

Heat index

The average heat index in December is estimated at a hot 34°C (93.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

December is the most humid month, with an average relative humidity of 83%.

Rainfall

In December, the rain falls for 20.9 days. Throughout December, 113mm (4.45") of precipitation is accumulated. In Baddamulla, during the entire year, the rain falls for 217.7 days and collects up to 1165mm (45.87") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 42min of daylight.
On the first day of December in Baddamulla, sunrise is at 06:03 and sunset at 17:47. On the last day of the month, sunrise is at 06:18 and sunset at 18:00 +0530.

Sunshine

With an average of 5.7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in December translates into these instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

December, noted for its average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 20.4°C (68.7°F), is considered the coldest month.

In December, in Baddamulla, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 20.4°C (68.7°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 34°C (93.2°F).

December is the most humid month, with an average relative humidity of 83%.

The average relative humidity in December is 83%.

In December, the rain falls for 20.9 days. Throughout December, 113mm (4.45") of precipitation is accumulated.

With an average of 11h and 42min of daylight, December has the shortest days of the year.

In Baddamulla, the average day length in December is 11h and 42min.

On the first day of December, sunrise is at 06:03 and sunset at 17:47. On the last day of the month, sunrise is at 06:18 and sunset at 18:00 +0530.

The month with the least sunshine is December, with an average of 5.7h of sunshine.

The average sunshine duration in December is 5.7h.

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 6.

The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Baddamulla, Sri Lanka

  • Average high temperature in December: 28.6°C

The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (28.6°C).

  • Average low temperature in December: 20.4°C

The month with the highest average low temperature is May (23°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).

Average pressure in December
Baddamulla, Sri Lanka

  • Average pressure in December: 1010.5mbar

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).

Average wind speed in December
Baddamulla, Sri Lanka

  • Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).

Average humidity in December
Baddamulla, Sri Lanka

  • Average humidity in December: 83%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are March and September (72%).

Average rainfall in December
Baddamulla, Sri Lanka

  • Average rainfall in December: 113mm

The wettest month (with the highest rainfall) is October (267mm).
The driest month (with the least rainfall) is June (29mm).

Average rainfall days in December
Baddamulla, Sri Lanka

  • Average rainfall days in December: 20.9 days

The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (11.8 days).

Average daylight in December /
Average sunshine in December
Baddamulla, Sri Lanka

  • Average daylight in December: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in December: 5h and 42min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Baddamulla, Sri Lanka

  • Average sunshine days in December: 8.2 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (4 days).

Average UV index in December
Baddamulla, Sri Lanka

  • Average UV index in December: 6

The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).

Average cloud cover in December
Baddamulla, Sri Lanka

  • Average cloud cover in December: 46

The months with the most cloud cover are November and December (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 24).

Average visibility in December
Baddamulla, Sri Lanka

  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).