Nallathanniya Weather in January

January in Nallathanniya averages 28°C (82°F) during the day and 19°C (66°F) at night. January is part of the rainy season, with around 285 mm (11 in) of rainfall and frequent showers.

Rainfall in Nallathanniya in January

As part of the rainy season, Nallathanniya sees around 6 days of rain in January, with an average of 285 mm (11 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Nallathanniya in January

Daytime highs in Nallathanniya in January reach 28°C (82°F), with nights around 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 19°C (66°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 January

Expect sunny days throughout the month, with an estimated 248 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

January in Nallathanniya can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
• March
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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 Nallathanniya's climate page.

Nallathanniya Temperature in January

Min Temperature 19°C (66°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 20%  

Precipitation 285 mm (11 in)  

Rainy days 6 days  

Humidity 69% *  

Sunshine 248 hours *  

Percentage Sunshine *  

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

What to Wear in Nallathanniya in January

Warm temperatures in January 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! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Nallathanniya in January

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.