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May weather forecast in Trincomalee

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

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

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 April, sun

	752 mmHg		77%
	3.9 m/s		+31

27 April, Sunday. day, 33°; night, 26°; overcast

28 April, mon

	752 mmHg		77%
	4 m/s		+31

28 April, Monday. day, 34°; night, 26°; overcast

29 April, tue

	752 mmHg		77%
	4.4 m/s		+31

29 April, Tuesday. day, 34°; night, 26°; partly cloudy

30 April, wed

	752 mmHg		77%
	4.4 m/s		+31

30 April, Wednesday. day, 33°; night, 26°; rain

1 May, thu

	752 mmHg		76%
	4.4 m/s		+31

1 May, Thursday. day, 34°; night, 26°; rain

2 May, fri

	752 mmHg		76%
	4.5 m/s		+31

2 May, Friday. day, 34°; night, 26°; partly cloudy

3 May, sat

	752 mmHg		77%
	4.6 m/s		+31

3 May, Saturday. day, 34°; night, 26°; rain

4 May, sun

	752 mmHg		76%
	4.3 m/s		+30

4 May, Sunday. day, 34°; night, 26°; rain

5 May, mon

	752 mmHg		77%
	4.5 m/s		+30

5 May, Monday. day, 33°; night, 26°; rain

6 May, tue

	752 mmHg		77%
	4.9 m/s		+31

6 May, Tuesday. day, 34°; night, 26°; rain

7 May, wed

	752 mmHg		77%
	4.69 m/s		+30

7 May, Wednesday. day, 34°; night, 26°; rain

8 May, thu

	752 mmHg		76%
	4.8 m/s		+30

8 May, Thursday. day, 34°; night, 26°; rain

9 May, fri

	751 mmHg		76%
	4.9 m/s		+30

9 May, Friday. day, 34°; night, 26°; rain

10 May, sat

	751 mmHg		75%
	4.9 m/s		+31

10 May, Saturday. day, 34°; night, 26°; overcast

11 May, sun

	751 mmHg		75%
	5 m/s		+31

11 May, Sunday. day, 34°; night, 26°; rain

12 May, mon

	751 mmHg		74%
	5.3 m/s		+31

12 May, Monday. day, 34°; night, 26°; overcast

13 May, tue

	751 mmHg		74%
	5.6 m/s		+31

13 May, Tuesday. day, 34°; night, 26°; rain

14 May, wed

	751 mmHg		74%
	5.9 m/s		+31

14 May, Wednesday. day, 34°; night, 26°; rain

15 May, thu

	751 mmHg		73%
	5.9 m/s		+31

15 May, Thursday. day, 34°; night, 26°; overcast

16 May, fri

	751 mmHg		73%
	5.8 m/s		+30

16 May, Friday. day, 34°; night, 26°; partly cloudy

17 May, sat

	751 mmHg		73%
	6 m/s		+30

17 May, Saturday. day, 34°; night, 26°; clear

18 May, sun

	751 mmHg		72%
	6.2 m/s		+30

18 May, Sunday. day, 35°; night, 26°; overcast

19 May, mon

	751 mmHg		71%
	6.5 m/s		+30

19 May, Monday. day, 34°; night, 26°; partly cloudy

20 May, tue

	751 mmHg		72%
	6.4 m/s		+30

20 May, Tuesday. day, 34°; night, 26°; partly cloudy

21 May, wed

	751 mmHg		71%
	6.4 m/s		+30

21 May, Wednesday. day, 35°; night, 26°; partly cloudy

22 May, thu

	751 mmHg		70%
	6.4 m/s		+30

22 May, Thursday. day, 35°; night, 26°; clear

23 May, fri

	751 mmHg		71%
	6.4 m/s		+30

23 May, Friday. day, 35°; night, 26°; partly cloudy

24 May, sat

	751 mmHg		71%
	6.5 m/s		+30

24 May, Saturday. day, 35°; night, 26°; overcast

25 May, sun

	751 mmHg		71%
	6.7 m/s		+30

25 May, Sunday. day, 35°; night, 26°; overcast

26 May, mon

	751 mmHg		70%
	6.7 m/s		+30

26 May, Monday. day, 35°; night, 26°; partly cloudy

27 May, tue

	751 mmHg		70%
	6.9 m/s		+30

27 May, Tuesday. day, 35°; night, 26°; clear

28 May, wed

	751 mmHg		69%
	7.1 m/s		+30

28 May, Wednesday. day, 35°; night, 26°; overcast

29 May, thu

	751 mmHg		69%
	6.8 m/s		+30

29 May, Thursday. day, 35°; night, 26°; partly cloudy

30 May, fri

	751 mmHg		70%
	6.7 m/s		+30

30 May, Friday. day, 35°; night, 26°; overcast

31 May, sat

	751 mmHg		70%
	6.5 m/s		+30

31 May, Saturday. day, 35°; night, 26°; overcast

Average data for 10 years

Trincomalee May

3

sunny days

11

days with precipitation

13

cloudy days

3 sunny days; 11 days with precipitation; 13 cloudy days;

73

%

air humidity

4.3

m/s

WindSW

78

mm of precipitation

(6% of annual average)

+30

°C

Water temperature

air humidity 73%; 78 millimeters of precipitation (6% of annual average); Wind south-westerly 4.3 Meters per second; Water temperature +30°

Weather graphs for May

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Unawatuna
Colombo
Hikkaduwa
Sri Jayawardenapura Kotte
Bentota
Galle
Tangalle
Pasikudah
Kalutara

Cities with similar weather in May

Phuket
Male
Phan Thiet
Denpasar
Phú Quốc
Krabi
Victoria
Kinshasa
Kuta

The weather forecast for May 2025 is based on historical data from the past 10 years.

In May, the weather in Trincomalee is typically hot. Average daily high temperature in May is about 34 degrees above zero. On average, Trincomalee has 11 rainy, 9 cloudy, 8 partly cloudy, and 3 sunny days in May. The rains are usually heavy. May as well as April, August, September, and October is considered the most uncomfortable time to visit Trincomalee.

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