Welisara Weather in December

December in Welisara averages 31°C (88°F) during the day and 24°C (75°F) at night. December is part of the rainy season, with around 174 mm (6.9 in) of rainfall and frequent showers.

Rainfall in Welisara in December

As part of the rainy season, Welisara sees around 10 days of rain in December, with an average of 174 mm (6.9 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Welisara in December

Daytime temperatures in Welisara reach 31°C (88°F) in December, dropping to 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Welisara in December

There are approximately 217 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

Wind Speed in Welisara in December

Wind speeds average 1 m/s (2 knots) during December. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

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 your ideal day consists of dry skies and pleasant temperatures, January typically offers the best circumstances for Welisara.

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 Welisara's climate page.

Welisara Temperature in December

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Water Temperature 27°C (81°F) *  

Chance of Rain 34%  

Precipitation 174 mm (6.9 in)  

Rainy days 10 days  

Humidity 72% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 217 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (15 KM, 9 Miles).

What to Wear in Welisara 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! With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Welisara 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 Welisara's climate page.

More climate data for Welisara

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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