Bentota weather in October

October in Bentota: sweltering, soaked, with clean air — a gamble, with 29 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Bentota🇱🇰 Sri Lanka · Sri Lanka & the Maldives · Beach63
  1. 81Jan
  2. 87Feb
  3. 83Mar
  4. 77Apr
  5. 61May
  6. 72Jun
  7. 76Jul
  8. 74Aug
  9. 70Sep
  10. 63Oct
  11. 59Nov
  12. 75Dec

#10 of 12 months in Bentota · #1076 of 1413 destinations to visit in October · comfort 63/100 (tier C)

Days
29°C
Nights
25°C
Wet days
29
Sun
8.6 h
Humidity
86%
Daylight
12 h
Bentota, Sri Lanka
Photo: Mohan Nannapaneni · Pexels

Traveller notes on Bentota in October

Other months in Bentota

Bentota forum threads describe August as bright and sunny most mornings, with cloud building through the afternoon and a real chance of showers by evening - not an all-day washout, but genuinely wet stretches happen too, and this coast sees frequent rain days through the month. The monsoon's bigger effect here is on the sea rather than the sky: ocean swimming turns unreliable due to rough surf and strong currents, though Bentota's sheltered lagoon and river keep watersports viable even on rough-ocean days. Forum consensus was that this window is still workable for a trip, just with beach plans built around the lagoon rather than open water.
GalleCoastRegular · August · 1 month ago · Read more on Tripadvisor ↗
Forum posters place February squarely within Sri Lanka's preferred southwest-coast season (mid-December to mid-April, plus July to mid-September), and call it typically a drier month overall. That said, posters are candid the weather can still flip within a single day - sunny for hours, then an hour or two of genuine downpour - so a light rain jacket is standard advice even during the 'dry' stretch. Wind is described as generally mild in February, with just a light, steady sea breeze rather than the stronger gusts some other months bring, making conditions comfortable for beach time along this stretch of coast.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Bentota's card on the map.

Bentota climate normals — October

Daytime high29°C / 83°F🔥 sweltering
Nighttime low25°C / 76°F
Feels like (high)34°C / 93°F
Sea temperature29°C / 84°F♨️ bath-warm
Rainfall318 mm / 12.5 in⛈ soaked
Rainy days29 days
Humidity86%💦 very humid
Dew point24°C / 75°F
Sunshine8.6 h/day
Daylight12 h
Wind13 km/h / 8 mph
Air quality (US AQI)49🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Bentota in October

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 3 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

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.

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Best weatherFair weatherToughest weather

What's on in Bentota in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Poya days

    1 Jan – 31 DecClosures

    Every 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

    Wet season

    MonsoonRisk

    29 rainy days and about 318 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in October →

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?

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Bentota in October — FAQ

Is October a good time to visit Bentota?
October in Bentota: sweltering, soaked, with clean air — a gamble, with 29 rainy days. It ranks #10 of 12 months for Bentota on SeasonMap's comfort score (63/100).
What is the weather like in Bentota in October?
In October, Bentota averages a daily high of 28.5°C and a low of 24.6°C, with about 318 mm of rain over roughly 29.1 rainy days.
What is the air quality in Bentota in October?
Bentota has a mean US Air Quality Index of about 49 in October.

Within 300 km: Trincomalee's Blue and sperm whale season around 1 May – 15 Oct.