Nilaveli Weather in October

Nilaveli in October averages 32°C (90°F) during the day and 26°C (79°F) at night. October is part of the rainy season, so frequent rainfall is typical.

Rainfall in Nilaveli in October

As part of the rainy season, Nilaveli sees around 12 days of rain in October, with an average of 186 mm (7.3 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Nilaveli in October

Daytime temperatures in Nilaveli reach 32°C (90°F) in October, dropping to 26°C (79°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Nilaveli in October

With approximately 214 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.

Wind Speed in Nilaveli in October

October has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in October

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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

Nilaveli Temperature in October

Min Temperature 26°C (79°F)  

Max Temperature 32°C (90°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 40%  

Precipitation 186 mm (7.3 in)  

Rainy days 12 days  

Humidity 71% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 214 hours *  

Percentage Sunshine *  

* Data from: Trincomalee, Sri Lanka (14 KM, 8 Miles).

Daily Historical Temperatures

38-year average (1978-2025)

Based on our historical records, temperatures in Nilaveli typically stay consistent throughout October, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in October

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Daily Historical Precipitation

38-year average (1978-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Nilaveli in October

Browse day-by-day weather records for Nilaveli spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Nilaveli historical weather extremes in October

Our historical data for Nilaveli spans 2001 to 2025, revealing these weather extremes.

• The warmest day in October was on October 8, 2013, with a maximum of 38°C (100°F).
• The lowest daytime temperature in October was 25°C (77°F), recorded on October 15, 2004.
• The lowest overnight temperature recorded in October was 19°C (66°F) (October 19, 2003).

What to Wear in Nilaveli in October

Warm but pleasant conditions in Nilaveli in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Nilaveli in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

7/10

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 Nilaveli's climate page.

More climate data for Nilaveli

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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