Trincomalee Weather in October
Trincomalee in October sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 26°C (79°F). As part of the rainy season, showers are frequent and often heavy. Budget around 188 mm (7.4 in) of rainfall for the month.
Rainfall in Trincomalee in October
As part of the rainy season, Trincomalee sees around 12 days of rain in October, with an average of 188 mm (7.4 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Trincomalee in October
In October, expect very high temperatures in Trincomalee, with highs of 31°C (88°F) and lows of 26°C (79°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. 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 Trincomalee in October
Expect a lot of sunshine this month, with about 214 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.
Wind Speed in Trincomalee in October
Average wind speeds reach 3 m/s (6 knots) in October, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly 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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February typically offers the best weather for Trincomalee.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Trincomalee's climate page.
Trincomalee Temperature in October
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F)
Chance of Rain
41%
Precipitation
188 mm (7.4 in)
Rainy days
12 days
Humidity
71%
Windspeed
3 m/s (6 knots)
Sunshine
214 hours
Percentage Sunshine
Daily Historical Temperatures
38-year average (1978-2025)
Based on our historical records, temperatures in Trincomalee typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in October
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
Historical weather for Trincomalee in October
Browse day-by-day weather records for Trincomalee spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trincomalee historical weather extremes in October
Based on 24 years of weather observations in Trincomalee between 2001 and 2025, these are the recorded 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.
- Trincomalee registered its coldest October night on October 19, 2003, with temperatures dropping to 19°C (66°F).
Best Places in Sri Lanka in October
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in October →
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What to Wear in Trincomalee in October
Warm weather calls for comfortable, breathable clothing in October. 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. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Trincomalee in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Trincomalee's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Trincomalee climate overview or explore weather in Sri Lanka.
