December weather forecast and climate
Bentota, Sri Lanka

What is the coldest month in Bentota?

June through December, with an average high-temperature of 30°C (86°F), are the coldest months in Bentota.

What is the temperature in December in Bentota?

The average high-temperature, in December, is 30°C (86°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in December in Bentota?

In December, the rain falls for 10 days. Throughout December, 175mm (6.9") of precipitation is accumulated.
Average temperature in December - Bentota, Sri Lanka
  • Average high temperature in December: 30°C

The warmest month (with the highest average high temperature) is April (32°C).
Months with the lowest average high temperature are June, July, August, September, October, November and December (30°C).

  • Average low temperature in December: 23°C

Months with the highest average low temperature are May, June, July, August and September (25°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average rainfall in December - Bentota, Sri Lanka
  • Average rainfall in December: 175mm

The wettest month (with the highest rainfall) is May (388mm).
The driest month (with the lowest rainfall) is January (73mm).

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

The month with the highest number of rainy days is October (15 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature in December - Bentota, Sri Lanka
  • Average sea temperature in December: 28.1°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is July (27.3°C).

Average daylight in December / Average sunshine in December - Bentota, 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 - Bentota, 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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