Temperature
Hot by day, warm at night.
91°Ftypical May high
Typical range
May climate
May in Trincomalee
Sri Lanka · Asia
Hot days and some sun. Cyclone risk and humid air are the main drawbacks.
Good overall
Late
Daytime high
91°F
Lows around 81°F
Rain
Several rainy days
Sun
11.5 h/day
Air feel
Very humid
Sea temp
86°F
Very warm sea
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days, mostly brief and on-and-off. About 8 wet days, fewer than in most months.
26%wet-day frequency
AmountWet-day chance
Sunshine
A mix of sunshine and cloud.
11.3 hMay sunshine
Heat & humidity by month
Very hot days with very humid air.
61%May Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In May, afternoons feel about 95° and nights feel near 85°.
WarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
30%May Clear sky
Clear skyCloud
Wind pattern
May's typical breeze keeps the air from feeling as stagnant.
11 mphMay Breezy
Sea temperature
86°FMay sea temp
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 89°F, easing to about 86°F in early evening.
Avg temp Typical range
Morning85°F
Feels 89°F
Rain5%
Cloud70%
Humid airVery high
Sun intensityModerate
Midday90°F
Feels 95°F
Rain10%
Cloud66%
Humid airVery high
Sun intensityStrong
Late afternoon89°F
Feels 94°F
Rain26%
Cloud67%
Humid airVery high
Sun intensityModerate
Early evening86°F
Feels 91°F
Rain16%
Cloud69%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 81 | 76 | 5.8 | 15 | 10.1 | 79 | 82 |
| Feb | 82 | 76 | 3.1 | 10 | 11.0 | 78 | 82 |
| Mar | 85 | 78 | 1.8 | 9 | 11.4 | 78 | 84 |
| Apr | 88 | 79 | 2.5 | 12 | 11.1 | 78 | 86 |
| May | 91 | 81 | 2.1 | 8 | 11.3 | 73 | 86 |
| Jun | 92 | 81 | 0.7 | 3 | 11.0 | 70 | 85 |
| Jul | 91 | 80 | 1.2 | 6 | 10.9 | 69 | 84 |
| Aug | 91 | 80 | 2.0 | 8 | 10.9 | 70 | 83 |
| Sep | 91 | 79 | 2.2 | 10 | 10.6 | 71 | 84 |
| Oct | 87 | 78 | 7.9 | 19 | 10.1 | 78 | 84 |
| Nov | 83 | 77 | 13.1 | 24 | 8.9 | 84 | 84 |
| Dec | 81 | 76 | 10.9 | 21 | 9.0 | 82 | 83 |
Similar climates
Similar
Similar travel styleEnglish HarbourAntigua and BarbudaSimilar travel styleDa NangVietnamSimilar travel styleNatalBrazilSimilar travel styleOcho RiosJamaica
Want a side-by-side climate view? Compare Trincomalee with English Harbour.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology