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Nallathanniya Weather and Climate: A Comprehensive Guide

Nallathanniya has relatively stable weather with warm temperatures. It is also known for its large amounts of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Nallathanniya temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C in March to a comfortable 27°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 19°C during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Nallathanniya experiences significant rainfall throughout the year, averaging 4266 mm of precipitation annually. The climate in Nallathanniya shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 624 mm of precipitation over 16 rainy days.

In contrast, August offers drier and sunnier days, with around 234 mm of rainfall over 12 rainy days. For more details, please visit our Nallathanniya Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Nallathanniya offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (9.2 hours daily) and September (6.3 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

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

Daily hours of sunshine

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

Forecast for Nallathanniya

Tuesday
4 Feb
Cloudy
Cloudy
23°C
0.2 mm
Wednesday
5 Feb
Rain showers
Rain showers
22°C
4.7 mm
Thursday
6 Feb
Light rain showers
Light rain showers
20°C
1.7 mm

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Nallathanniya in Sri Lanka

Nallathanniya has high temperatures year round ranging between 26°C and 29°C.
The average rainfall figures in Nallathanniya are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose March which is the sunniest month of the year.

Other facts from our historical weather data:
  • Which is the warmest month in Nallathanniya?
    March has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Nallathanniya?
    The coldest month is February with an average maximum temperature of 27°C.
  • Which is the wettest month in Nallathanniya?
    November tops the wettest month list with 624 mm of rainfall.
  • Which is the driest month in Nallathanniya?
    August is the driest month with 234 mm of precipitation.
  • Which is the sunniest month in Nallathanniya?
    March is the sunniest month with an average of 276 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.