Weather in Trincomalee: May
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Average day temperature: | 91.9°F |
| Average night temperature: | 80.1°F | |
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Sea water temperature: | 86.2°F |
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Number of sunny days: | 17 days |
| Day length: | 12.4 - 12.6 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 3.7 in. | |
| more information | ||
14 days
forecast
forecast
| Trincomalee |
sea water
temperature
temperature
| Trincomalee |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 91°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during May were 88.2°F and 81.0°F.
Sea water temperature in Trincomalee in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Trincomalee in May is 3.3 in.
Wind speed in May, mph
The average wind speed value in May is 12.4 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.6.
Best time for vacation in Trincomalee
Trincomalee on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Trincomalee
Local time: 02:16
June 06, saturday
0300
82°F
NE
23 mph
23 mph
0600
82°F
NE
22 mph
22 mph
0900
88°F
NE
21 mph
21 mph
1200
91°F
NE
22 mph
22 mph
1500
91°F
NE
22 mph
22 mph
1800
84°F
NE
21 mph
21 mph
2100
82°F
NE
22 mph
22 mph
June 07, sunday
0000
82°F
NE
22 mph
22 mph
