ClimateForecastDecemberJanuary >>

Weather in December in Colombo District

Thinking about venturing to Colombo District this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Colombo District in December?

Colombo District is a region in Sri Lanka. December in Colombo District generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C and nighttime temperatures around 24°C in Colombo. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Colombo with an average of 185 mm to heavy rainfall in Piliyandala with 201 mm.

Average sunshine

The days are mostly sunny, with an average total of around 217 hours of sunshine in Colombo. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

To learn more about the conditions in specific areas of Colombo District in December, check out the map below. For more details on the yearly weather, visit our Colombo District climate page.

Where to go in Colombo District in December

Find more information for the most popular destinations in the Colombo District on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in December for the 5 most popular destinations in Colombo District?

Colombo

In December Colombo generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Colombo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
24°C 
210 hours 
338 mm 
15 days 
poor 
31°C 
24°C 
217 hours 
185 mm 
10 days 
January   >> January
>>  
32°C 
24°C 
248 hours 
71 mm 
5 days 
Climate in Colombo

Mount Lavinia

In December Mount Lavinia generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Mount Lavinia
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
25°C 
210 hours 
345 mm 
15 days 
poor 
31°C 
24°C 
217 hours 
191 mm 
10 days 
January   >> January
>>  
32°C 
24°C 
248 hours 
76 mm 
5 days 
Climate in Mount Lavinia

Dehiwala

In December Dehiwala generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Dehiwala
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
25°C 
210 hours 
343 mm 
15 days 
poor 
31°C 
24°C 
217 hours 
189 mm 
10 days 
January   >> January
>>  
32°C 
24°C 
248 hours 
74 mm 
5 days 
Climate in Dehiwala

Nugegoda

In December Nugegoda generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Nugegoda
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
24°C 
210 hours 
344 mm 
15 days 
poor 
31°C 
24°C 
217 hours 
190 mm 
10 days 
January   >> January
>>  
32°C 
24°C 
248 hours 
75 mm 
5 days 
Climate in Nugegoda

Boralesgamuwa

In December Boralesgamuwa generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Boralesgamuwa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
24°C 
210 hours 
348 mm 
15 days 
poor 
31°C 
24°C 
217 hours 
194 mm 
10 days 
January   >> January
>>  
32°C 
24°C 
248 hours 
79 mm 
5 days 
Climate in Boralesgamuwa

Is your destination not in the list? Have a look at other destinations in Colombo District, in Sri Lanka.

Is December the best time to visit Colombo District?

Given the typically unpleasant weather conditions in Colombo, December may not be the ideal time to visit Colombo District.

Generally speaking, the best visiting conditions can be found in January, February and March offering mostly pleasant weather in Colombo. On the other hand, the months of April, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Colombo District. Interested in the weather conditions in a specific month? Select the month below.

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