Wellawatta Weather in December

December in Wellawatta averages 31°C (88°F) during the day and 24°C (75°F) at night. December is part of the rainy season, with around 187 mm (7.4 in) of rainfall and frequent showers.

Rainfall in Wellawatta in December

As part of the rainy season, Wellawatta sees around 10 days of rain in December, with an average of 187 mm (7.4 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Wellawatta in December

In December, Wellawatta gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 24°C (75°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Wellawatta in December

The month enjoys around 217 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.

Wind Speed in Wellawatta in December

Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in December

The water is 27°C (81°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Wellawatta. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
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• May
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• September
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• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Wellawatta's climate page.

Wellawatta Temperature in December

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Water Temperature 27°C (81°F) *  

Chance of Rain 33%  

Precipitation 187 mm (7.4 in)  

Rainy days 10 days  

Humidity 72% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 217 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (2 KM, 1 Miles).

What to Wear in Wellawatta in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Wellawatta in December

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Wellawatta's climate page.

More climate data for Wellawatta

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Wellawatta climate overview or explore weather in Sri Lanka.