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Weather in Trincomalee — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Trincomalee

☁️

+33°

Overcast

Feels like +38° · humidity 54%

Today 12.9: +35° / +25°

🕐 10:55

Wind

16 km/h

UV index

Air (AQI)

35 · Good

Precipitation

96%

Humidity

54%

Pressure

1009 hPa

Sunrise / sunset

05:55 / 18:07

Sea temperature

🌊 +29°

👕 What to wear today

Hot — light breathable clothing, a hat, plenty of water.

☂️ Take an umbrella🧴 SPF 50💧 Bring waterFeels warmer by 5°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Trincomalee

Today, 12 September, Saturday, in Trincomalee (Sri Lanka): cloudy, light rain in places, hot. During the day the air will warm up to +35°, at night around +25°. Due to high humidity it feels like +38°. UV is extreme (index 8) — better stay in the shade at midday. Wind up to 19 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Dress as lightly as possible, wear a hat, apply sunscreen and keep water with you. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:55 and set at 18:07 — daylight lasts 12 hours.

Hourly weather in Trincomalee

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Trincomalee for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

🌦️

💧 96%

+25° +35°

Morning

🌦️

+29°

Day

🌦️

+35°

Evening

🌇

+33°

Night

🌙

+25°

Rain showers · precipitation 96% · wind up to 19 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tomorrow 13.9

⛈️

💧 100%

+25° +33°

Morning

☁️

+29°

Day

⛈️

+33°

Evening

🌇

+25°

Night

🌙

+25°

Thunderstorm · precipitation 100% · wind up to 18 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Mon 14.9

⛈️

💧 96%

+25° +32°

Morning

⛈️

+28°

Day

⛈️

+32°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 96% · wind up to 13 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tue 15.9

⛈️

💧 94%

+25° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 94% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 74%

+24° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Drizzle · precipitation 74% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

🌦️

💧 68%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Rain showers · precipitation 68% · wind up to 24 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

⛈️

💧 80%

+25° +32°

Morning

⛈️

+28°

Day

⛈️

+32°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 80% · wind up to 21 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Sat 19.9

🌦️

💧 80%

+25° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 80% · wind up to 20 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Sun 20.9

🌦️

💧 88%

+25° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 88% · wind up to 22 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Mon 21.9

🌦️

💧 90%

+26° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Drizzle · precipitation 90% · wind up to 22 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tue 22.9

⛈️

💧 78%

+26° +32°

Morning

⛈️

+28°

Day

⛈️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Thunderstorm · precipitation 78% · wind up to 27 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Wed 23.9

🌦️

💧 78%

+26° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Drizzle · precipitation 78% · wind up to 26 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Thu 24.9

⛈️

💧 69%

+26° +32°

Morning

⛈️

+28°

Day

⛈️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Thunderstorm · precipitation 69% · wind up to 23 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Fri 25.9

🌦️

💧 80%

+26° +33°

Morning

🌦️

+29°

Day

🌦️

+33°

Evening

🌇

+31°

Night

🌙

+26°

Drizzle · precipitation 80% · wind up to 24 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

0 / 100

for sea and sun · Bad

🏊 Swimming

0 / 100

water 29° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

72%

extreme · high

☂️ Rain

96%

likely · high

✨ Stars

21 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Good air

European AQI

PM2.5: 9PM10: 13O₃: 90NO₂: 2

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

05:55

Sunset

18:07

Golden hour

17:39

Daylight

12 h (+0 min vs yesterday)

Sea temperature

+29°

🌊 calm, waves 0.2 m.

Trincomalee climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+27°

+24°

Jan

+28°

+24°

Feb

+30°

+25°

Mar

+32°

+26°

Apr

+34°

+27°

May

+34°

+27°

Jun

+34°

+26°

Jul

+34°

+26°

Aug

+33°

+26°

Sep

+31°

+25°

Oct

+28°

+24°

Nov

+27°

+24°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+27°	+24°	+27°	134 mm	Gentle warmth — about +27° daytime, great walking weather. Frequent rain (134 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming. This is the coldest month of the year.
February	+28°	+24°	+28°	78 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (78 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming. Weather-wise, one of the three best months to visit.
March	+30°	+25°	+29°	43 mm	Warm and comfortable: +30° by day, +25° at night. 😊 light summer clothing. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
April	+32°	+26°	+30°	57 mm	Gentle warmth — about +32° daytime, great walking weather. 😊 light summer clothing. The sea is +30° — like a warm bath. The sea is at its warmest of the year this month.
May	+34°	+27°	+30°	52 mm	A hot, dry month: +34° daytime, warm pleasant evenings. ☀️ water and sunscreen. The sea is +30° — like a warm bath.
June	+34°	+27°	+29°	19 mm	Hot (+34° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. Water at +29° — great for swimming. This is the hottest month of the year in Trincomalee.
July	+34°	+26°	+29°	31 mm	Up to +34° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. Water at +29° — great for swimming.
August	+34°	+26°	+29°	47 mm	A hot, dry month: +34° daytime, warm pleasant evenings. ☀️ water and sunscreen. Water at +29° — great for swimming.
September	+33°	+26°	+29°	70 mm	Hot (+33° by day) but dry — manageable with a sensible schedule. It's a rainy month (70 mm) — an umbrella is a must. ☀️ water and sunscreen. Water at +29° — great for swimming.
October	+31°	+25°	+29°	192 mm	Gentle warmth — about +31° daytime, great walking weather. Frequent rain (192 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming.
November	+28°	+24°	+29°	306 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (306 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. Statistically the wettest month of the year.
December	+27°	+24°	+28°	282 mm	Warm and comfortable: +27° by day, +24° at night. It's a rainy month (282 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Trincomalee

✅ Recommended time to visit

🌟 Best time: February, March, June

Daytime air+28…+34°

Sea temperature+28…+29°

Precipitationoften

Why: comfortable +28…+34° by day, little rain, warm sea (+28…29°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, April, May, July, August, September

Daytime air+27…+34°

Sea temperature+27…+30°

Precipitationoften

Why: noticeable rain risk (31–134 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: October, November, December

Daytime air+27…+31°

Sea temperature+28…+29°

Precipitationoften

Why: the rainy season (192–306 mm/month) — downpours almost daily.

Bottom line: the best time to visit Trincomalee is February, March, June, and the most comfortable months are February, March, June. The toughest months to visit are October, November, December: frequent rain.