The weather in December in Kalutara

It's hot in December in Kalutara with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 20°C and 24°C.

Looking for sun? December isn’t a good month to be in Kalutara. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Kalutara, Sri Lanka. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2021, Kalutara reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 25°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 27°C.

Water temperature

The water temperature at Kalutara is 28°C this month. Nice and warm for a swim.

Rainfall amount

In December, there is an average of 305 mm of precipitation, spread over 27 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in December for Kalutara

Click on any day in December to get detailed info about the usual weather on that day in Kalutara. Check out the historical temperatures and precipitation over the past 10 years on this day.

1

31° / 23°

2

31° / 24°

3

31° / 23°

4

30° / 23°

5

31° / 23°

6

32° / 23°

7

32° / 22°

8

32° / 23°

9

31° / 23°

10

32° / 23°

11

32° / 24°

12

31° / 24°

13

32° / 23°

14

31° / 23°

15

31° / 24°

16

32° / 24°

17

32° / 23°

18

31° / 23°

19

31° / 24°

20

31° / 23°

21

32° / 24°

22

31° / 23°

23

32° / 22°

24

31° / 20°

25

31° / 22°

26

31° / 21°

27

32° / 22°

28

31° / 22°

29

32° / 22°

30

32° / 22°

31

32° / 22°

Start of December

The month of December starts in Kalutara with hot temps, averaging around 32°C during the day and nights around 23°C.

Mid December

By mid-December, daytime temps stay steady at around 32°C, with nights around 24°C. There’s a high chance of precipitation during this time.

End of December

By the end of December, the average daytime temperature in Kalutara is around 32°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Kalutara for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Kalutara, Sri Lanka. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Kalutara

Temperature in December in Kalutara over the years

Precipitation charts

These charts show the average amount of precipitation in December in Kalutara, Sri Lanka. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Kalutara

Total precipitation in December in Kalutara over the years

Daily UV index in December in Kalutara

This chart shows the average daily UV index in December in Kalutara, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

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Average weather in Kalutara by month

Click on a month below to see detailed weather info for Kalutara. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.