Trincomalee Weather in June
Trincomalee in June sees very high daytime temperatures of 34°C (93°F) and nighttime lows of 27°C (81°F). With just 20 mm (0.8 in) of rainfall on average, it's the driest month of the year.
Rainfall in Trincomalee in June
With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Typically, about 2 days will experience rainfall, with an average of 20 mm (0.8 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Trincomalee in June
Daytime temperatures in Trincomalee reach 34°C (93°F) in June, dropping to 27°C (81°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down. While these temperatures are averages, expect some days to be hotter. Choose light, airy clothing to handle the warmth effectively.
Sunshine in Trincomalee in June
There are approximately 231 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Trincomalee in June
Wind speeds average 5 m/s (10 knots) during June. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in June
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you prefer dry days with pleasant temperatures, June may not be the ideal month to visit Trincomalee. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 June
Min Temperature
27°C (81°F)
Max Temperature
34°C (93°F)
Water Temperature
28°C (82°F)
Chance of Rain
8%
Precipitation
20 mm (0.8 in)
Rainy days
2 days
Humidity
60%
Windspeed
5 m/s (10 knots)
Sunshine
231 hours
Percentage Sunshine
Daily Historical Temperatures
36-year average (1980-2025)
Based on our historical records, temperatures in Trincomalee typically stay consistent throughout June, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in June
Daily Historical Precipitation
36-year average (1980-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Trincomalee in June
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 June
The extremes listed below come from historical weather data collected in Trincomalee from 2004 through 2025.
- The hottest June day on record in Trincomalee reached 38°C (100°F) (June 3, 2010).
- Trincomalee experienced its chilliest June day on June 6, 2004, reaching only 27°C (81°F).
- The coldest night in June in Trincomalee was on June 30, 2018, with a minimum of 23°C (73°F).
Best Places in Sri Lanka in June
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 June →
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What to Wear in Trincomalee in June
Hot weather in June means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Trincomalee in June
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.
