Sri LankaThe weather in December in Mahattuwa
It's hot in December in Mahattuwa 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 23°C and 24°C.
Looking for sun? December isn’t a good month to be in Mahattuwa. 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 Mahattuwa, 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, Mahattuwa reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 24°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 27°C.
Rainfall amount
In December, there is an average of 190 mm of precipitation, spread over 20 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in December for Mahattuwa
Click on any day in December to get detailed info about the usual weather on that day in Mahattuwa. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Mahattuwa | New York | |
|---|---|---|
| Average temperature | 31°C | 9°C |
| Max. temperature | 32°C | 12°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 190 mm | 133 mm |
| Rainy days | 20 days | 17 days |
Start of December
The month of December starts in Mahattuwa with hot temps, averaging around 31°C during the day and nights around 24°C.
Mid December
By mid-December, daytime temps rise to around 32°C, with nights around 24°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Mahattuwa is around 32°C, while nighttime temps are about 24°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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 Mahattuwa for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Mahattuwa, 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 Mahattuwa
Temperature in December in Mahattuwa over the years
Precipitation charts
These charts show the average amount of precipitation in December in Mahattuwa, 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 Mahattuwa
Total precipitation in December in Mahattuwa over the years
Daily UV index in December in Mahattuwa
This chart shows the average daily UV index in December in Mahattuwa, 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 Mahattuwa
Have you been to Mahattuwa in December?
Share your weather experience in December in Mahattuwa.
Average weather in Mahattuwa by month
Click on a month below to see detailed weather info for Mahattuwa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.