December weather forecastHapugala, Sri Lanka

December

Weather in December

December, the first month of the winter in Hapugala, is still a warm month, with an average temperature ranging between min 24.8°C (76.6°F) and max 28.9°C (84°F).

Temperature

The arrival of December denotes a barely perceptible change in the average high-temperatures to a still warm 28.9°C (84°F) from November's 29.2°C (84.6°F). Throughout December, Hapugala's nights experience a slight temperature dip to a still warm 24.8°C (76.6°F).

Heat index

For most parts of December, the heat index is appraised at a tropical 34°C (93.2°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Hapugala, in December, it is raining for 22.1 days, with typically 114mm (4.49") of accumulated precipitation. In Hapugala, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 06:04 and sunset at 17:52. On the last day of December, sunrise is at 06:18 and sunset at 18:05 +0530.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year.

UV index

January through April, June through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Updated: Jul 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 28.9°C (84°F) and a low-temperature of 24.8°C (76.6°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 34°C (93.2°F).

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

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

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

In Hapugala, the average day length in December is 11h and 47min.

In December, on the first day of the month, sunrise is at 06:04 and sunset at 17:52. On the last day of the month, sunrise is at 06:18 and sunset at 18:05 +0530.

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

The average sunshine duration in December 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 Hapugala.

The average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

29.2°C

28.9°C

29.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.7km/h

10.3km/h

8.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.4

6.4

12.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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
Hapugala, 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).