Nilaveli Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nilaveli.
Climate overview of Nilaveli
Nilaveli, Trincomalee District, Sri Lanka, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 32°C (90°F), peaking in June at 34°C (93°F) and dipping in January to 28°C (82°F).
The city receives considerable rainfall, with around 1313 mm (52 in) annually. November is the wettest month. It has distinct dry (June to July) and wet (October to December) seasons. The most sunshine falls in March, with an average of 9.1 hours of daily sunshine.
Nilaveli Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nilaveli - and find the best time to visit.
Monthly Temperature in Nilaveli
With minimal seasonal shifts, Nilaveli experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 34°C (93°F) in June to a comfortable 28°C (82°F) in the coolest month, January.
Nights vary from 27°C (81°F) in June to around 25°C (77°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nilaveli
Nilaveli has a notably wet climate with abundant precipitation, recording 1313 mm (52 in) of rainfall per year. The climate in Nilaveli shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 314 mm (12 in) of precipitation over 16 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 22 mm (0.9 in) of rainfall over 2 rainy days. For more details, please visit our Nilaveli Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nilaveli
Nilaveli offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (9.1 hours daily) and November (5.6 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Nilaveli
The mean water temperature over the year ranges from 26°C (79°F) in August to 28°C (82°F) in February.
Water temperature over the year
Humidity in Nilaveli by Month
The relative humidity is high throughout the year in Nilaveli.
The city experiences its highest humidity in December, reaching 80%. In July, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Nilaveli
The mean wind speed over the year ranges from 2 m/s (4 knots) in March and April to 5 m/s (10 knots) in June. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Nilaveli
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February
- Warmest weather: May, June, July, August and September
- Most sunshine: March and April
- Fewest rainy days: March, May, June and July
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Wettest months: October, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (June to July) and wet (October to December) seasons
Frequently asked questions about the climate in Nilaveli
What is the best time to visit Nilaveli?
February typically offers the most optimal weather in Nilaveli. In contrast, May, June, July, August, October, November and December tend to have less optimal conditions. Nilaveli has distinct dry (June to July) and wet (October to December) seasons.
What temperatures can I expect in Nilaveli?
Daytime highs range from 28°C (82°F) in January to 34°C (93°F) in June. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Nilaveli get?
Annual rainfall is around 1313 mm (52 in). November is the wettest month with 314 mm (12 in), while June is the driest with 22 mm (0.9 in).
How sunny is Nilaveli?
Nilaveli receives around 2,701 hours of sunshine per year. March is the sunniest month with 273 hours, while November is the cloudiest with just 168 hours. Overall, Nilaveli enjoys abundant sunshine.
Nilaveli 3-Day Forecast
Nilaveli on the map
Nilaveli is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
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29°C (84°F) Nuwara Eliya28°C (82°F) 
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