Nallathanniya Weather in December

December in Nallathanniya brings high temperatures, with highs of 27°C (81°F) and nights dropping to 20°C (68°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Nallathanniya in December

As part of the rainy season, Nallathanniya sees around 12 days of rain in December, with an average of 476 mm (19 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Nallathanniya in December

Expect highs of 27°C (81°F) in Nallathanniya in December, with nights dropping to around 20°C (68°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Nallathanniya in December

The city usually sees around 218 hours of sunlight, indicating many sunny days despite it being the rainy season.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Nallathanniya. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Nallathanniya Temperature in December

Min Temperature 20°C (68°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 41%  

Precipitation 476 mm (19 in)  

Rainy days 12 days  

Humidity 73% *  

Sunshine 218 hours *  

Percentage Sunshine *  

* Data from: Ratnapura, Sri Lanka (20 KM, 12 Miles).

What to Wear in Nallathanniya in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Nallathanniya 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 Nallathanniya's climate page.

More climate data for Nallathanniya

Temperature Rainfall Sunshine Humidity

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