December weather forecast
Meepawala, Sri Lanka

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Weather in December

The first month of the winter, December, is also a moderately hot month in Meepawala, Sri Lanka, with an average temperature varying between 28.9°C (84°F) and 24.8°C (76.6°F).

Temperature

December's average high-temperature stands at a still warm 28.9°C (84°F), showing little deviation from November's 29.2°C (84.6°F). Meepawala observes a minimal variance in temperature, with a consistent average low of 24.8°C (76.6°F) during the nights of December.

Heat index

For most parts of December, the heat index is estimated at a tropical 34°C (93.2°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Meepawala, the average relative humidity in December is 79%.

Rainfall

In Meepawala, during December, the rain falls for 22.1 days and regularly aggregates up to 114mm (4.49") of precipitation. Throughout the year, in Meepawala, 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 December in Meepawala, 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.

Sunshine

The month with the least sunshine is December, with an average of 7h of sunshine.

UV index

The months with the highest UV index are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is it in Meepawala in December?

In December, in Meepawala, the average high-temperature is 28.9°C (84°F), and the average low-temperature is 24.8°C (76.6°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in December is estimated at 34°C (93.2°F).

What is the average humidity in December in Meepawala?

In December, the average relative humidity in Meepawala is 79%.

How much does it rain in Meepawala in December?

In Meepawala, Sri Lanka, during December, the rain falls for 22.1 days and regularly aggregates up to 114mm (4.49") of precipitation.

What is the month with the shortest days in Meepawala?

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

What is the average length of the day in December in Meepawala?

In Meepawala, Sri Lanka, the average day length in December is 11h and 47min.

When is the sunrise / sunset in December in Meepawala?

On the first day of December in Meepawala, 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.

What is the month with the least sunshine in Meepawala?

With an average of 7h of sunshine, December has the least sunshine of the year in Meepawala, Sri Lanka.

How many hours of sunshine does Meepawala have in December?

In Meepawala, the average sunshine duration in December is 7h.

What are the months with the highest UV index in Meepawala?

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

What is the UV index intensity in December in Meepawala?

The average daily maximum UV index in December in Meepawala, Sri Lanka, is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in December
Meepawala, Sri Lanka

Average temperature in December - Meepawala, 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).

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Average pressure in December
Meepawala, Sri Lanka

Average pressure in December - Meepawala, 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).

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Average wind speed in December
Meepawala, Sri Lanka

Average wind speed in December - Meepawala, 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).

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Average humidity in December
Meepawala, Sri Lanka

Average humidity in December - Meepawala, 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%).

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Average rainfall in December
Meepawala, Sri Lanka

Average rainfall in December - Meepawala, 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).

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Average rainfall days in December
Meepawala, Sri Lanka

Average rainfall days in December - Meepawala, 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).

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

Average daylight in December / Average sunshine in December - Meepawala, Sri Lanka
  • Average daylight in December: 11h and 5min

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).

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Average sunshine days in December
Meepawala, Sri Lanka

Average sunshine days in December - Meepawala, 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).

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Average UV index in December
Meepawala, Sri Lanka

Average UV index in December - Meepawala, 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).

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Average cloud cover in December
Meepawala, Sri Lanka

Average cloud cover in December - Meepawala, 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).

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Average visibility in December
Meepawala, Sri Lanka

Average visibility in December - Meepawala, 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).

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Meepawala, Sri Lanka

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