Gampaha District Weather in December

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

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Negombo Katunayaka Ja-Ela Seeduwa

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

What to Expect in Gampaha District in December

Gampaha District, Sri Lanka is a region in Sri Lanka. December in Gampaha District generally has very warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 24°C (75°F) in Negombo. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

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

Precipitation

In December, precipitation varies across different areas. From high rainfall in Negombo with an average of 151 mm (5.9 in) to heavy rainfall in Kapugoda with 243 mm (9.6 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Negombo enjoys about 217 hours of sunlight, ideal for those seeking sunny weather.

Explore Gampaha District by month

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

January31°C (88°F) February32°C (90°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) November30°C (86°F) December31°C (88°F)
Best Time to Visit Gampaha District →

Best Places to Visit in Gampaha District in December

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

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

Temperature range in Gampaha District (December)

Precipitation variation in Gampaha District (December)

Negombo

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

« November
December
January »
November
December
January
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°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
294 mm (12 in)
151 mm (5.9 in)
48 mm (1.9 in)
Monthly rainy days
14 days
10 days
4 days
Weather conditions
poor
tolerable
pleasant
Climate in Negombo →

Katunayaka

In December Katunayaka generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are tolerable 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
304 mm (12 in)
158 mm (6.2 in)
53 mm (2.1 in)
Monthly rainy days
14 days
10 days
4 days
Weather conditions
poor
tolerable
pleasant
Climate in Katunayaka →

Ja-Ela

In December Ja-Ela 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 tolerable 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
318 mm (13 in)
168 mm (6.6 in)
60 mm (2.4 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
tolerable
pleasant
Climate in Ja-Ela →

Seeduwa

In December Seeduwa 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 tolerable 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
310 mm (12 in)
161 mm (6.3 in)
56 mm (2.2 in)
Monthly rainy days
14 days
10 days
5 days
Weather conditions
poor
tolerable
pleasant
Climate in Seeduwa →

Gampaha

In December Gampaha generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« November
December
January »
November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
33°C (91°F)
Min temperature
24°C (75°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
210 hours
217 hours
248 hours
Monthly rainfall
329 mm (13 in)
172 mm (6.8 in)
64 mm (2.5 in)
Monthly rainy days
15 days
10 days
5 days
Weather conditions
poor
tolerable
pleasant
Climate in Gampaha →

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

Popular cities in December

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

City Weather Day temp Night temp Rainfall
Negombo 31°C (88°F) 24°C (75°F) 151 mm (5.9 in)
Katunayaka 31°C (88°F) 24°C (75°F) 158 mm (6.2 in)
Ja-Ela 31°C (88°F) 24°C (75°F) 168 mm (6.6 in)
Seeduwa 31°C (88°F) 24°C (75°F) 161 mm (6.3 in)
Gampaha 31°C (88°F) 23°C (73°F) 172 mm (6.8 in)
Uswetakeiyawa 31°C (88°F) 24°C (75°F) 172 mm (6.8 in)

Gampaha District weather in December: frequently asked questions

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

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

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

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

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

Gampaha District, Sri Lanka sees substantial rainfall in December. Negombo typically averages about 151 mm (5.9 in), a mix of wet and dry days, but bring an umbrella.

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

In our opinion, December is a good time to visit Gampaha District, Sri Lanka with overall tolerable weather in Negombo. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Gampaha District, Sri Lanka is in January and February with generally tolerable weather in Negombo. 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 Gampaha 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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