December weather forecastBatugedara, Sri Lanka

December

Weather in December

December, the first month of the winter in Batugedara, is also a moderately hot month, with an average temperature varying between 19.9°C (67.8°F) and 28.4°C (83.1°F).

Temperature

December's average high-temperature stands at a still warm 28.4°C (83.1°F), showing little deviation from November's 28.3°C (82.9°F). In December, the recorded average low-temperature in Batugedara is a comfortable 19.9°C (67.8°F).

Heat index

The heat index for December is appraised at a tropical 34°C (93.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Batugedara, in December, it is raining for 25.6 days, with typically 209mm (8.23") of accumulated precipitation. Throughout the year, there are 317.3 rainfall days, and 2422mm (95.35") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 42min of daylight.
On the first day of December, sunrise is at 06:04 and sunset at 17:50. On the last day of the month, sunrise is at 06:19 and sunset at 18:03 +0530.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year.

UV index

January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

The average high-temperature and low-temperature during December are 28.4°C (83.1°F) and 19.9°C (67.8°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in December is appraised at 34°C (93.2°F).

The average relative humidity in December is 85%.

In December, the rain falls for 25.6 days. Throughout December, 209mm (8.23") of precipitation is accumulated.

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

In Batugedara, the average day length in December is 11h and 45min.

In December, on the first day of the month, sunrise is at 06:04 and sunset at 17:50. On the last day of the month, in Batugedara, sunrise is at 06:19 and sunset at 18:03 +0530.

With an average of 6h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December is 6h.

January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index.

In Batugedara, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Batugedara, Sri Lanka

  • Average high temperature in December: 28.4°C

The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).

  • Average low temperature in December: 19.9°C

The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.7°C).

Average pressure in December
Batugedara, Sri Lanka

  • Average pressure in December: 1010.4mbar

The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in December
Batugedara, Sri Lanka

  • Average wind speed in December: 4.3km/h

The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).

Average humidity in December
Batugedara, Sri Lanka

  • Average humidity in December: 85%

The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).

Average rainfall in December
Batugedara, Sri Lanka

  • Average rainfall in December: 209mm

The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).

Average rainfall days in December
Batugedara, Sri Lanka

  • Average rainfall days in December: 25.6 days

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).

Average daylight in December /
Average sunshine in December
Batugedara, 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: 6h and 0min

The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in December
Batugedara, Sri Lanka

  • Average sunshine days in December: 3.6 days

The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).

Average UV index in December
Batugedara, Sri Lanka

  • Average UV index in December: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).

Average cloud cover in December
Batugedara, Sri Lanka

  • Average cloud cover in December: 47

The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).

Average visibility in December
Batugedara, Sri Lanka

  • Average visibility in December: 8km

The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).