Sri LankaThe weather in December in Gammaduwa
It's warm in December in Gammaduwa with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 20°C and 22°C.
Looking for sun? December isn’t a good month to be in Gammaduwa. 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 Gammaduwa, 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 2023, Gammaduwa reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 21°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 25°C.
Rainfall amount
In December, there is an average of 324 mm of precipitation, spread over 29 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in December for Gammaduwa
Click on any day in December to get detailed info about the usual weather on that day in Gammaduwa. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Gammaduwa | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 324 mm | 133 mm |
| Rainy days | 29 days | 17 days |
Start of December
The month of December starts in Gammaduwa with hot temps, averaging around 30°C during the day and nights around 22°C.
Mid December
By mid-December, daytime temps stay steady at around 30°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Gammaduwa is around 29°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
Find affordable trips to Gammaduwa
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 Gammaduwa for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Gammaduwa, 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 Gammaduwa
Temperature in December in Gammaduwa over the years
Precipitation charts
These charts show the average amount of precipitation in December in Gammaduwa, 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 Gammaduwa
Total precipitation in December in Gammaduwa over the years
Daily UV index in December in Gammaduwa
This chart shows the average daily UV index in December in Gammaduwa, 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 Gammaduwa
Have you been to Gammaduwa in December?
Share your weather experience in December in Gammaduwa.
Average weather in Gammaduwa by month
Click on a month below to see detailed weather info for Gammaduwa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.