Colombo

Colombo District Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Colombo District, Sri Lanka in December.

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Colombo Mount Lavinia Dehiwala Nugegoda

Planning a trip to Colombo District, Sri Lanka this December? Here's what you need to know about the weather:

What to Expect in Colombo District in December

Colombo District, Sri Lanka 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 (88°F) and nighttime temperatures around 24°C (75°F) 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.

To learn more about the conditions in specific areas of Colombo District, Sri Lanka, check out the map below.

Precipitation

In December, precipitation varies across different areas. From heavy rainfall in Colombo with an average of 185 mm (7.3 in) to heavy rainfall in Avissawella with 308 mm (12 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Colombo enjoys approximately 217 hours of sunlight, ideal for those seeking sunny weather.

Explore Colombo District by month

Pick a month to see the average temperature, rainfall and sunshine in Colombo District — and find the best time to visit. (based on Colombo)

January32°C (90°F) February33°C (91°F) March33°C (91°F) April32°C (90°F) May31°C (88°F) June30°C (86°F) This monthJuly30°C (86°F) August30°C (86°F) September30°C (86°F) October30°C (86°F) November31°C (88°F) December31°C (88°F)
Best Time to Visit Colombo District →

Best Places to Visit in Colombo District in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Colombo District.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Colombo District

What is the weather like in December for some of the most popular destinations in Colombo District, Sri Lanka?

Temperature range in Colombo District (December)

Precipitation variation in Colombo District (December)

Colombo

In December Colombo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
338 mm (13 in)
185 mm (7.3 in)
71 mm (2.8 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Colombo →

Mount Lavinia

In December Mount Lavinia generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
345 mm (14 in)
191 mm (7.5 in)
76 mm (3 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Mount Lavinia →

Dehiwala

In December Dehiwala generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
343 mm (14 in)
189 mm (7.4 in)
74 mm (2.9 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Dehiwala →

Nugegoda

In December Nugegoda generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
344 mm (14 in)
190 mm (7.5 in)
75 mm (3 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Nugegoda →

Boralesgamuwa

In December Boralesgamuwa generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
348 mm (14 in)
194 mm (7.6 in)
79 mm (3.1 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Boralesgamuwa →

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

Popular cities in December

Day & night temperatures, rainfall and average weather in Colombo District in December.

City Weather Day temp Night temp Rainfall
Colombo 31°C (88°F) 24°C (75°F) 185 mm (7.3 in)
Mount Lavinia 31°C (88°F) 24°C (75°F) 191 mm (7.5 in)
Dehiwala 31°C (88°F) 24°C (75°F) 189 mm (7.4 in)
Nugegoda 31°C (88°F) 24°C (75°F) 190 mm (7.5 in)
Boralesgamuwa 31°C (88°F) 24°C (75°F) 194 mm (7.6 in)
Sri Jayewardenepura Kotte 31°C (88°F) 24°C (75°F) 188 mm (7.4 in)

Colombo District weather in December: frequently asked questions

What is the weather like in Colombo District, Sri Lanka in December?

Colombo District, Sri Lanka typically experiences poor weather in December, part of the season. Daytime highs in Colombo average around 31°C (88°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in Colombo District, Sri Lanka in December?

Daytime temperatures in Colombo peak at roughly 31°C (88°F) in December, dropping to about 24°C (75°F) overnight.

Does Colombo District, Sri Lanka get a lot of rain in December?

Expect plenty of rainfall. Colombo records an average of 185 mm (7.3 in) in December, putting it among the wetter months for Colombo District, Sri Lanka.

Is December a Good Time to Visit Colombo District, Sri Lanka?

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

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

Interested in more climate information?

We have much more information about the climate in Colombo District.

Weather and climate has detailed information for every country in the world. Are you going to Sri Lanka? Get detailed historical weather averages for many cities in Sri Lanka.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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