Galle (Unawatuna) weather in June

June in Galle: sweltering, soaked, with clean air — fine if you can take 30 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Galle🇱🇰 Sri Lanka · Sri Lanka & the Maldives · Beach72
  1. 82Jan
  2. 87Feb
  3. 84Mar
  4. 77Apr
  5. 63May
  6. 72Jun
  7. 76Jul
  8. 75Aug
  9. 71Sep
  10. 66Oct
  11. 61Nov
  12. 78Dec

#8 of 12 months in Galle · #935 of 1413 destinations to visit in June · comfort 72/100 (tier B)

Days
30°C
Nights
26°C
Wet days
30
Sun
10.4 h
Humidity
85%
Daylight
13 h
Galle, Sri Lanka
Photo: Andreas Schnabl · Pexels

Traveller notes on Galle in June

Notes from nearby Ella (131 km away)

Galle doesn't have its own notes for June yet — these are about Ella, close enough to share the season.

Ella-forum threads on a June visit describe this area as genuinely more sheltered from the southwest monsoon than much of Sri Lanka's hill country, posters naming Ella and Badulla as comparatively drier pockets even during the wetter season elsewhere. Regulars call June genuinely mostly warm and pleasant here, several posters describing cloud cover and occasional short showers rather than sustained heavy rain. Posters call hiking conditions genuinely still good in June, several regulars naming this a real reason to visit while other parts of the island deal with monsoon weather. Regulars call waterfalls genuinely running full this time of year, several threads naming this a real visual payoff of the wetter season. Posters recommend real flexible daily plans around occasional showers, several regulars calling this standard given how quickly a clear morning can turn cloudy. The record: 27.3C days, 20.3C nights, 61.6mm across over 10 days and 77 percent humidity.
EllaJuneRegular · June · 1 month ago · about Ella · Read more on Tripadvisor ↗

Other months in Galle

Regulars are direct this technically falls within monsoon season here, though it's genuinely unlikely to rain the entire day, rain more commonly arriving in the late afternoon and evening rather than settling in from morning. Our row backs that hot, genuinely wet read, 29.1C reading as a scorching 34C, over 26.1C nights feeling 29C, with a substantial 205.1mm of rain across 28.4 days and humidity at 85 percent. Regulars are consistent this remains genuinely hot and humid throughout regardless of the rain pattern, sun protection and hydration the standard advice for daytime activity. The sea sits at a bath-warm 27.9C. The record: 10.2 hours of sun, a 21.1 kph wind and AQI 42.
MonsoonButRainMostlyLateAfternoon · July · 1 month ago · Read more on tripadvisor.in ↗
April sits about a month ahead of the southwest monsoon, which regulars date to the end of May, and they describe the run-up precisely: hot sunshine most of the day with an isolated downpour toward evening, not continuous rain. December through April is the in-season window for this coast, and April is its last, warmest stretch - our row reads 31.3C but as 39C at 83.9 percent humidity, with 201.2mm across 27.1 days, which is that isolated-downpour pattern rather than a wet month. After the 15th they warn the sea can turn rough even before the rain properly starts, a shoulder-season swell rather than a storm. Nights hold 25.8C, the sea 30.4C. The record: 10.4 hours of sun, an 11.9 kph wind and AQI 50.
AMonthBeforeTheMonsoonBreaks · April · 1 month ago · Read more on Tripadvisor ↗
December is the month the south-west coast changes over, and regulars put the turn late rather than early: the coast dries out a lot from mid-December, and the season proper starts just before Christmas. Some years the first half stays very wet, and they report Decembers where it rained throughout, or where the dry days still carried a sea too rough and windy to enjoy until January. Our row reads that first half: 186.2mm across 21.8 precipitation days, the wettest in this batch. Heat is steady at 30.1C reading as 36C at 84 percent humidity, with a 28.6C sea. For the most reliable south-coast beach weather they name February and March instead. The record: 9.6 hours of sun, a 10.6 kph wind and AQI 57.
TheSeasonStartsBeforeChristmas · December · 1 month ago · Read more on Tripadvisor ↗
Our row for Galle counts 16.8 precipitation days in January, which looks like the wrong month entirely until regulars explain the timing. On this south coast you can expect three or four afternoons of heavy rain in a stay, and it arrives late: clouding up around half past four or five, with the serious storms after six once it is dark. The days work; the evenings get wet. January to March is the stretch they name for calm seas and good weather on the south and west coasts, with the dry season running Christmas to mid-April - though they are honest that December onwards has been wetter than the label suggests. Heat is the other factor: 29.8C over 24C at 83 percent humidity and almost no wind reads as 36C. The record: 148.6mm, 9.8 hours of sun and a 27.8C sea.
TheRainWaitsForDark · January · 1 month ago · Read more on Tripadvisor ↗

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Galle climate normals — June

Daytime high30°C / 85°F🔥 sweltering
Nighttime low26°C / 79°F
Feels like (high)34°C / 93°F
Sea temperature29°C / 83°F♨️ bath-warm
Rainfall240 mm / 9.4 in⛈ soaked
Rainy days30 days
Humidity85%💦 very humid
Dew point26°C / 78°F
Sunshine10.4 h/day
Daylight12.5 h
Wind20 km/h / 13 mph
Air quality (US AQI)45🍃 good

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

Crowds in Galle in June

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.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Galle'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).

Fair weatherGalle's weather peaks January–March, best around February.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Galle in June

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

  • Season

    Southwest (Yala) monsoon

    15 May – 15 Sep · usuallyRisk

    The wet half of the year on this coast: heavy sea, red flags off Unawatuna and half the beach places closed. The fort itself is still worth walking, and rooms inside it are at their cheapest.

  • Season

    Wet season

    MonsoonRisk

    30 rainy days and about 240 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in June →

Nearby, and something's on

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

Where is Galle?

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Galle in June — FAQ

Is June a good time to visit Galle?
June in Galle: sweltering, soaked, with clean air — fine if you can take 30 rainy days. It ranks #8 of 12 months for Galle on SeasonMap's comfort score (72/100).
What is the weather like in Galle in June?
In June, Galle averages a daily high of 29.7°C and a low of 26.3°C, with about 239.9 mm of rain over roughly 29.5 rainy days.
What is the air quality in Galle in June?
Galle has a mean US Air Quality Index of about 45 in June.

Within 300 km: Sigiriya's Dry-zone season on 15 May – 15 Sep, and Colombo's East coast season around 1 May – 30 Sep.