Trincomalee Weather in July

July in Trincomalee averages 34°C (93°F) during the day and 27°C (81°F) at night. Around 30 mm (1.2 in) of rainfall is typical for this time of year.

Rainfall in Trincomalee in July

Records from the past 30 years suggest around 4 days of rain, with 30 mm (1.2 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Trincomalee in July

In July, Trincomalee gets very high temperatures, with highs of 34°C (93°F). Nights cool to around 27°C (81°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Trincomalee in July

Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Trincomalee in July

In July, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in July

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.

If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Trincomalee. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• 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 Trincomalee's climate page.

Trincomalee Temperature in July

Min Temperature 27°C (81°F)  

Max Temperature 34°C (93°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 14%  

Precipitation 30 mm (1.2 in)  

Rainy days 4 days  

Humidity 59%  

Windspeed 4 m/s (8 knots)  

Sunshine 226 hours  

Percentage Sunshine  

Daily Historical Temperatures

32-year average (1985-2025)

Based on our historical records, temperatures in Trincomalee typically stay consistent throughout July, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 27°C (81°F).

Average temperatures in July

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

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Daily Historical Precipitation

32-year average (1985-2025)

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

Average precipitation in July

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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 Trincomalee in July

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.

Historical weather Temperatures Precipitation

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

Trincomalee historical weather extremes in July

Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Trincomalee.

• Trincomalee recorded its highest July temperature of 38°C (100°F) on July 6, 2012.
• The lowest daytime temperature in July was 29°C (84°F), recorded on July 29, 2022.
• Trincomalee registered its coldest July night on July 28, 2020, with temperatures dropping to 23°C (73°F).

What to Wear in Trincomalee in July

Pack for serious heat in Trincomalee in July. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Trincomalee in July

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

9/10

Outdoor sports

8/10

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 Trincomalee's climate page.

More climate data for Trincomalee

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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