December weather forecastMatugama, Sri Lanka

December weather for Matugama, Sri Lanka: December, the first month of the winter in Matugama, is still a warm month, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 24.8°C (76.6°F). December has the shortest days of the year in Matugama, Sri Lanka, with an average of 11h and 48min of daylight.

December

Weather in December

December, the first month of the winter in Matugama, is still a warm month, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 24.8°C (76.6°F).

Temperature

During December, the average high-temperature is a still moderately hot 28.9°C (84°F), maintaining a close resemblance to that of the preceding month. In December, Matugama's nights cool slightly to a consistent average temperature of 24.8°C (76.6°F).

Heat index

The heat index value for December is appraised at a hot 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In December, the average relative humidity in Matugama, Sri Lanka, is 79%.

Rainfall

In December, the rain falls for 22.1 days. Throughout December, 114mm (4.49") of precipitation is accumulated. Throughout the year, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.

Daylight

With an average of 11h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:05 and sunset at 17:51. On the last day of December, sunrise is at 06:20 and sunset at 18:05 +0530.

Sunshine

December has the least sunshine of the year in Matugama, with an average of 7h of sunshine.

UV index

The months with the highest UV index in Matugama are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during December leads to these instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In Matugama, 28.9°C (84°F) is the average high-temperature and 24.8°C (76.6°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is appraised at 34°C (93.2°F).

The average relative humidity in December in Matugama, Sri Lanka, is 79%.

In December, in Matugama, Sri Lanka, the rain falls for 22.1 days. Throughout December, 114mm (4.49") of precipitation is accumulated.

December has the shortest days of the year in Matugama, Sri Lanka, with an average of 11h and 48min of daylight.

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

In December, on the first day of the month, sunrise is at 06:05 and sunset at 17:51. On the last day of the month, in Matugama, Sri Lanka, sunrise is at 06:20 and sunset at 18:05 +0530.

The month with the least sunshine in Matugama, Sri Lanka, is December, with an average of 7h of sunshine.

The average sunshine duration in December in Matugama is 7h.

January through April, June through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Matugama.

The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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
Matugama, Sri Lanka

  • Average high temperature in December: 28.9°C

The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).

  • Average low temperature in December: 24.8°C

The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).

Average pressure in December
Matugama, Sri Lanka

  • Average pressure in December: 1010.2mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).

Average wind speed in December
Matugama, Sri Lanka

  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).

Average humidity in December
Matugama, Sri Lanka

  • Average humidity in December: 79%

The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).

Average rainfall in December
Matugama, Sri Lanka

  • Average rainfall in December: 114mm

The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in December
Matugama, Sri Lanka

  • Average rainfall days in December: 22.1 days

The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).

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

  • Average daylight in December: 11h and 48min

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 48min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Matugama, Sri Lanka

  • Average sunshine days in December: 6.4 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).

Average UV index in December
Matugama, Sri Lanka

  • Average UV index in December: 7

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

Average cloud cover in December
Matugama, Sri Lanka

  • Average cloud cover in December: 38

The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).

Average visibility in December
Matugama, Sri Lanka

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).