Trincomalee weather in March

In March, Trincomalee sees average daytime highs of 29°C and overnight lows near 25°C, with 40 mm of rain across 7.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 52% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Trincomalee's 1st-clearest and 11th-windiest month. For the whole year in context, see Trincomalee's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
5th coldest
Rainfall
40 mm
7.2 wet days
Daylight
11 h 54 min
6:17 AM – 6:13 PM
Cloud cover
43%
1st clearest
Wind
12 km/h
11th windiest
Solar energy
6.51 kWh/m²
Travel score
5.8
out of 10

Trincomalee is city in Sri Lanka.

Density
14,456/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical March day in Trincomalee reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, March runs about 2°C warmer than February and about 2°C cooler than April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
193025
203025
213025
223025
233026
243026
253026
263026
273026
283026
293026
303026
313026

How March really feels in Trincomalee

Once humidity and wind are folded in, March averages 23 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
23
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Trincomalee weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°12614.511.65.8
Feb28° / 25°739.711.76.3
Mar29° / 25°407.211.95.8
Apr31° / 26°561012.24.4
May33° / 27°488.212.43.6
Jun33° / 27°183.212.53.6
Jul33° / 27°315.512.43.6
Aug33° / 27°457.812.33.6
Sep33° / 26°6510.712.13.5
Oct31° / 26°18618.511.83.6
Nov28° / 25°30024.111.63.9
Dec27° / 25°27720.911.54.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in March, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36634
46634
56733
66733
76733
86832
96832
106931
116931
127030
137030
147030
157030
167030
177030
187129
197129
207228
217228
227228
237129
247129
257030
267030
276931
286832
296832
306733
316733

Chance of precipitation in March

Any precipitation

Trincomalee gets around 40 mm of rain over 7.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
229
329
429
529
629
729
828
928
1028
1127
1226
1326
1425
1524
1623
1722
1822
1921
2020
2120
2220
2319
2419
2520
2620
2721
2822
2924
3025
3127

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the oppressive band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1221689
22216710
32206810
41196911
51186912
61177012
71167013
81157014
91147114
100137215
110137215
120127216
130117316
140107416
150107317
16097417
17087418
18087319
19077221
20067222
21067024
22056926
23056629
24046531
25046234
26045937
27035740
28035443
29025246
30025049
31014752

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 6:24 AM to 6:08 AM, and sunset from 6:13 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:246:13
211.86:236:13
311.86:236:13
411.86:226:13
511.96:226:13
611.96:216:13
711.96:216:13
811.96:216:13
911.96:206:13
1011.96:206:13
1111.96:196:13
1211.96:196:13
1311.96:186:13
1411.96:186:13
1511.96:176:13
1611.96:176:13
1711.96:166:13
1812.06:156:13
1912.06:156:13
2012.06:146:13
2112.06:146:13
2212.06:136:13
2312.06:136:13
2412.06:126:12
2512.06:126:12
2612.06:116:12
2712.06:106:12
2812.06:106:12
2912.06:096:12
3012.16:096:12
3112.16:086:12

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.51 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.51 kWh/m² in March across the year — March's 6.51 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in March

Hazard calendar for Trincomalee

In seasonPeak

None of Trincomalee's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Trincomalee sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Trincomalee's monsoon runs October–December, when most of the year's rain falls.

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

Is March a good time to visit Trincomalee?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
2nd-best month of the year
7.5
Beach & pool
1st-best month of the year

March is a reasonable time to visit Trincomalee for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Trincomalee in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Trincomalee sees daytime highs around 29°C and nights near 25°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Trincomalee in March

The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in May at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Trincomalee in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trincomalee peaks around May 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMay 10UV 13Dec 20UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Trincomalee in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Trincomalee is worst in May — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1028 µg/m³Jul 2120 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb21Moderate
Mar24Moderate
Apr27Moderate
May28Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep21Moderate
Oct25Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is Trincomalee?

Trincomalee sits at 8.6°N, 81.2°E, 10 m above sea level, in Sri Lanka. The nearest listed city is Vakarai, 54 km away.

VakaraiPolonnaruwaVavuniyaSigiriyaMullaittivuAnuradhapuraEravur TownDambulla

Topography around Trincomalee

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trincomalee.

Within 3 km, the terrain around Trincomalee has only modest variations in elevation — a maximum elevation change of 78 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 161 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.

The land around Trincomalee is covered by water (62%) within 3 km, water (55%) and trees (24%) within 16 km, and trees (41%) and water (38%) within 80 km.

3 km
78 m
16 km
161 m
80 km
684 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
March weather nearby: Vakarai 54 km · Polonnaruwa 75 km · Vavuniya 83 km · Sigiriya 87 km · Mullaittivu 89 km · Anuradhapura 94 km · Eravur Town 98 km · Dambulla 102 km

Sri Lanka travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$5,002
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
47%
of population, 2024
Homicide rate
3.3
per 100k, 2019
Road deaths
19.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 486
Religion
Buddhist 70%Hindu 13%Muslim 10%Roman Catholic 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Trincomalee (8.5778°, 81.2289°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).