Bentota weather in May
Sri Lanka

May in Bentota: sweltering, soaked, with muggy air — a gamble, with 30 rainy days.
#11 of 12 months in Bentota · #1138 of 1383 destinations to visit in May · comfort 61/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bentota in May
No notes yet. Open Bentota on the map to add the first one.
Bentota climate normals — May
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 374 mm / 14.7 in | ⛈ soaked |
| Rainy days | 30 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 12.4 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bentota in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bentota's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherBentota's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Bentota in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Poya days
1 Jan – 31 DecClosuresEvery full moon is a civil holiday and the sale of alcohol is prohibited islandwide, hotel bars included. There are thirteen or fourteen a year, so one will land on most trips. Source ↗
- Season
Off-season on the strip
15 May – 15 Sep · usuallyOff-season shutdownClosuresThe sea gets rough and brown, the jet-ski and banana-boat outfits mostly stop, and a good share of the beach restaurants close for repairs. Rooms are half price and the river trips still run.
- Season
Wet season
MonsoonRisk30 rainy days and about 374 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Bentota — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bentota?
Bentota in May — FAQ
- Is May a good time to visit Bentota?
- May in Bentota: sweltering, soaked, with muggy air — a gamble, with 30 rainy days. It ranks #11 of 12 months for Bentota on SeasonMap's comfort score (61/100).
- What is the weather like in Bentota in May?
- In May, Bentota averages a daily high of 29.4°C and a low of 25.7°C, with about 374.3 mm of rain over roughly 30.4 rainy days.
- What is the air quality in Bentota in May?
- Bentota has a mean US Air Quality Index of about 52 in May.
Other months in Bentota
Compare Bentota in May
Warmer or cooler than Bentota in May
Similar destinations in South Asia — May
Within 300 km: Colombo's Vesak on 30–31 May, and Nuwara Eliya's Adam's Peak pilgrimage season around 5 Dec – 10 May.