December weather forecast and climate
Ahungalla, Sri Lanka

December, the first month of the winter, in Ahungalla, is still a hot month, with average temperature fluctuating between 30°C (86°F) and 22°C (71.6°F).

Temperature

In Ahungalla, in December, the average high-temperature is 30°C (86°F), and the average low-temperature is 22°C (71.6°F).

Rainfall

In Ahungalla, during December, the rain falls for 10 days and regularly aggregates up to 181mm (7.1") of precipitation. In Ahungalla, during the entire year, the rain falls for 125 days and collects up to 2669mm (105.1") of precipitation.

Sea temperature

In Ahungalla, Sri Lanka, the average seawater temperature is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

Months with the shortest days are January, November and December, with an average of 11.8h of daylight.

Sunshine

In December, the average sunshine in Ahungalla is 7h.

UV index

Months with the lowest UV index in Ahungalla are November and December, with an average maximum UV index of 11. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to the UV radiation for the average person.
In December, the average maximum UV index of 11 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Ahungalla?

The average high-temperature, in December, is 30°C (86°F), while the average low-temperature is 22°C (71.6°F).

How much does it rain in Ahungalla in December?

In December, in Ahungalla, the rain falls for 10 days. Throughout December, 181mm (7.1") of precipitation is accumulated.

What is the sea water temperature in December in Ahungalla?

In December, the average sea temperature in Ahungalla is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Ahungalla?

Months with the shortest days are January, November and December, with an average of 11.8h of daylight.

How many hours of daylight does Ahungalla have in December?

The average length of the day in December is 11.8h.

How long on average sun shines in December in Ahungalla?

The average sunshine in December in Ahungalla, Sri Lanka, is 7h.

When is the lowest UV index in Ahungalla?

November and December, with an average maximum UV index of 11, are months with the lowest UV index.

What is the UV index reading in December in Ahungalla?

In December, the average daily maximum UV index is 11. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Ahungalla, Sri Lanka
  • Average high temperature in December: 30°C

Warmest months (with the highest average high temperature) are March and April (31°C).
Months with the lowest average high temperature are July, August, September and October (29°C).

  • Average low temperature in December: 22°C

Months with the highest average low temperature are May and June (25°C).
Coldest months (with the lowest average low temperature) are January, February and December (22°C).

Average rainfall in December - Ahungalla, Sri Lanka
  • Average rainfall in December: 181mm

The wettest month (with the highest rainfall) is October (363mm).
The driest month (with the lowest rainfall) is January (89mm).

Average rainfall days in December - Ahungalla, Sri Lanka
  • Average rainfall days in December: 10 days

Months with the highest number of rainy days are October and November (14 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature in December - Ahungalla, Sri Lanka
  • Average sea temperature in December: 28°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
Coldest months (with the lowest average sea temperature) are July, August and September (27°C).

Average daylight in December / Average sunshine in December - Ahungalla, Sri Lanka
  • Average daylight in December: 11.8h

Months with the longest days are June and July (Average daylight: 12.5h).
Months with shortest days are January, November and December (Average daylight: 11.8h).

  • Average sunshine in December: 7h

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are May, June, July, August, September and October (Average sunshine: 6).

Average UV index in December - Ahungalla, Sri Lanka
  • Average UV index in December: 11

Months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are November and December (UV index 11).

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