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Sri LankaThe weather in December in Bone Island
It's warm in December in Bone Island with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 23°C and 25°C.
Looking for sun? December isn’t a good month to be in Bone Island. 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 Bone Island, 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 34°C in 2016, Bone Island reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 23°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 28°C.
Rainfall amount
In December, there is an average of 460 mm of precipitation, spread over 30 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in December for Bone Island
Click on any day in December to get detailed info about the usual weather on that day in Bone Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Bone Island | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 460 mm | 133 mm |
| Rainy days | 30 days | 17 days |
Start of December
The month of December starts in Bone Island with hot temps, averaging around 30°C during the day and nights around 25°C.
Mid December
By mid-December, daytime temps stay steady at around 30°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 Bone Island is around 30°C, while nighttime temps are about 24°C. There’s a significant chance of many days with precipitation.
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 Bone Island for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Bone Island, 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 Bone Island
Temperature in December in Bone Island over the years
Precipitation charts
These charts show the average amount of precipitation in December in Bone Island, 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 Bone Island
Total precipitation in December in Bone Island over the years
Daily UV index in December in Bone Island
This chart shows the average daily UV index in December in Bone Island, 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.
Weather experiences in December in Bone Island
Have you been to Bone Island in December?
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Average weather in Bone Island by month
Click on a month below to see detailed weather info for Bone Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.