Weligama weather in May

May in Weligama: sweltering, soaked, with clean air — fine if you can take 29 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Weligama🇱🇰 Sri Lanka · Sri Lanka & the Maldives · Beach66
  1. 83Jan
  2. 89Feb
  3. 85Mar
  4. 79Apr
  5. 66May
  6. 77Jun
  7. 81Jul
  8. 80Aug
  9. 76Sep
  10. 70Oct
  11. 64Nov
  12. 78Dec

#11 of 12 months in Weligama · #1097 of 1413 destinations to visit in May · comfort 66/100 (tier C)

Days
30°C
Nights
26°C
Wet days
29
Sun
9.6 h
Humidity
87%
Daylight
12 h
Weligama, Sri Lanka
Photo: Charith Kodagoda · Pexels

Traveller notes on Weligama in May

Notes from nearby Nuwara Eliya (117 km away)

Weligama doesn't have its own notes for May yet — these are about Nuwara Eliya, close enough to share the season.

Nuwara Eliya-forum threads on early May weather describe daytime readings as comfortably cool, typically high teens to low twenties, though a cloudy day can push things down toward fifteen. Regulars call this genuinely one of the more reliably damp stretches locally, real showers or thunderstorms likely on most days rather than the exception. Posters describe the town's reputation for persistently cool, moist conditions as well earned, though May specifically adds a heavier rain pattern on top of the usual chill. Regulars recommend real waterproof layers and proper boots given how muddy trails turn after a system, tea plantation walks especially prone to slick footing. Posters call nights genuinely brisk, typically dropping into single digits, a real jacket essential after dark. Regulars recommend flexible outdoor plans given how unpredictable timing runs. The record: 21.3C days feeling like 24C, 13.8C nights, an extraordinarily high 326.7mm across 29 days and 87 percent humidity.
NuwaraEliyaMayRegular · May · 1 month ago · about Nuwara Eliya · Read more on Tripadvisor ↗

Other months in Weligama

Sri Lanka's forum notes the southwest monsoon runs May through September, and while some posters described August days as sunny with just the odd late-afternoon shower, the bigger practical issue for Weligama and the rest of the south coast is the sea itself - monsoon swell makes the water genuinely unsafe for swimming outside a handful of reef-protected spots like Hikkaduwa and Unawatuna. Weligama specifically also gets a mention for having murkier water than neighboring beaches due to a nearby river mouth, regardless of season. Despite the rough seas, posters said the town stays lively as a secondary August high season.
SriLankaSouthCoastRegular · August · 1 month ago · Read more on Tripadvisor ↗
Forum posters name November through April as the dry season on this stretch of Sri Lanka's south coast, with February squarely inside it - sunny conditions and calm, clear seas are the norm, good for the area's famous beginner-friendly surf breaks. Posters describe Weligama itself as more of a surf town, while nearby Mirissa offers a reef-protected, calmer swimming option for anyone less interested in the waves - both Weligama and neighboring Ahangama and Midigama stay in surf season through April. Posters consistently recommend the area for beginner surf lessons specifically, with plenty of surf schools and instructors offering both group and one-on-one sessions.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

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

Weligama climate normals — May

Daytime high30°C / 86°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)36°C / 97°F
Sea temperature29°C / 84°F♨️ bath-warm
Rainfall293 mm / 11.5 in⛈ soaked
Rainy days29 days
Humidity87%💦 very humid
Dew point25°C / 78°F
Sunshine9.6 h/day
Daylight12.4 h
Wind21 km/h / 13 mph
Air quality (US AQI)43🍃 good

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

Crowds in Weligama 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)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Weligama'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 weatherWeligama's weather peaks January–March, best around February.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Weligama in May

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

  • Hazard

    Southwest monsoon rough seas

    1 May – 30 Sep

    From May through September the swell swings around and the south coast turns wet and stormy: surf schools close on the roughest days and whale-watching boats stop sailing entirely, with the reliable waves and calm seas shifting to Arugam Bay on the other coast. Source ↗

  • Season

    Northeast monsoon surf season

    15 Oct – 1 May · usuallyBook early

    Light offshore winds and small, forgiving waves settle over Weligama Bay from late October to early May, the reason the town became Sri Lanka's beginner surf capital. Board-rental shacks and surf camps run at full capacity through the December-January peak. Source ↗

  • Season

    Wet season

    MonsoonRisk

    29 rainy days and about 293 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in May →

Nearby, and something's on

Within 300 km of Weligama — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Weligama?

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Weligama in May — FAQ

Is May a good time to visit Weligama?
May in Weligama: sweltering, soaked, with clean air — fine if you can take 29 rainy days. It ranks #11 of 12 months for Weligama on SeasonMap's comfort score (66/100).
What is the weather like in Weligama in May?
In May, Weligama averages a daily high of 30°C and a low of 25.8°C, with about 292.6 mm of rain over roughly 28.8 rainy days.
What is the air quality in Weligama in May?
Weligama has a mean US Air Quality Index of about 43 in May.

Within 300 km: Nuwara Eliya's Adam's Peak pilgrimage season around 5 Dec – 10 May, and Colombo's Vesak on 30–31 May.