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Sri LankaThe weather in December in Saint Joneswatta
It's warm in December in Saint Joneswatta with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 31°C. At night, you can expect temperatures between 17°C and 19°C.
Looking for sun? December isn’t a good month to be in Saint Joneswatta. 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 Saint Joneswatta, 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 2015, Saint Joneswatta reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 20°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 24°C.
Rainfall amount
In December, there is an average of 284 mm of precipitation, spread over 27 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in December for Saint Joneswatta
Click on any day in December to get detailed info about the usual weather on that day in Saint Joneswatta. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Saint Joneswatta | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 31°C | 12°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 284 mm | 133 mm |
| Rainy days | 27 days | 17 days |
Start of December
The month of December starts in Saint Joneswatta with hot temps, averaging around 30°C during the day and nights around 19°C.
Mid December
By mid-December, daytime temps stay steady at around 30°C, with nights around 18°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Saint Joneswatta is around 30°C, while nighttime temps are about 18°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 Saint Joneswatta for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Saint Joneswatta, 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 Saint Joneswatta
Temperature in December in Saint Joneswatta over the years
Precipitation charts
These charts show the average amount of precipitation in December in Saint Joneswatta, 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 Saint Joneswatta
Total precipitation in December in Saint Joneswatta over the years
Daily UV index in December in Saint Joneswatta
This chart shows the average daily UV index in December in Saint Joneswatta, 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 Saint Joneswatta
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Average weather in Saint Joneswatta by month
Click on a month below to see detailed weather info for Saint Joneswatta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.