ClimateForecastDecemberJanuary >>

Seeduwa weather in December (Gampaha District, Sri Lanka)

Will it be warm or cold in Seeduwa this December? Here's what you need to know about the weather for the month.

Temperatures

Typically, December in Seeduwa includes very high temperatures and heavy rainfall. Expect temperatures to climb to 31°C during the day, with nighttime readings dropping to 24°C. These are average temperatures, but occasional heat spikes are possible. Stay comfortable by wearing light clothing and drinking water.

Precipitation

Seeduwa in December usually receives heavy rainfall, averaging around 161 mm for the month. Analyzing past climate data, one can expect approximately 10 days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 217 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If your ideal day consists of dry skies and moderate temperatures January, February and March generally stand out with the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Seeduwa climate page with graphs.

 

Seeduwa, monthly averages in December

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 34%  
PrecipitationPrecipitation 161 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 72% *  
SunshineSunshine 217 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Colombo, Sri Lanka (25 KM, 15 Miles).

Where to go in Sri Lanka in December

Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.

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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).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Seeduwa.

Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find 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.