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Photo by User: (WT-shared) Wipkinger at wts wikivoyage, Public domain, via Wikimedia Commons.
Ko Samui in June
sweet spot · the best month to go · the warmest month of the year
The year in Ko Samui
Tap a month for its page
- JanJKo Samui in January: ok, busy
- FebFKo Samui in February: good, busy
- MarMKo Samui in March: good, busy
- AprAKo Samui in April: good
- MayMKo Samui in May: ok
- JunJKo Samui in June: sweet spot
- JulJKo Samui in July: sweet spot
- AugAKo Samui in August: sweet spot
- SepSKo Samui in September: sweet spot
- OctOKo Samui in October: avoid
- NovNKo Samui in November: avoid
- DecDKo Samui in December: ok, busy
- Sweet spot
- Good
- OK
- Avoid
- Busy
Plan this trip
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Flights from
Flights
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Where to stay
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Luxury
Things to do
Car hire
Travel insurance
Check whether your bank card or home insurance already covers this trip.
If the trip needs a visa, the travel agent or visa centre usually sells the cover it asks for.
Mobile data (eSIM)
Your own plan's EU roaming may already cover this.
Renting a pocket Wi-Fi is the other common way to stay connected.
These are sites people in book with. Each opens in a new tab, on the site's own pages.
The numbers
| Daily high | 31°C |
|---|---|
| Nightly low | 26°C |
| Feels like, afternoon | 36°C |
| Rainy days, 1 mm or more | 5 · 79 mm |
| Humidity | 76% |
| Sunshine | 10.0 h/day |
| Daylight | 12.7 h/day |
| Days over 35°C | 0 |
| Beach and sea | 25 of 30 days dry and 23–35 °C; sea not measured |
| Crowds | 100 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.
Weather read at Chaweng Beach: ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.
How busy it gets
Public holidays in June
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
Ko Samui in pictures
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Ruta Badina, CC BY-SA 3.0, via Wikimedia Commons
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Abrget47j, CC BY-SA 3.0, via Wikimedia Commons
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Renek78, CC BY-SA 4.0, via Wikimedia Commons
What to pack
- Summer clothes by day, highs around 31°C.
- Sun protection: about 10 hours of sunshine a day.
- Humidity averages 76%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
Type A and B and C and F plugs at 220 V. Drives on the left. The currency is the Baht. UK Foreign Office: avoid all but essential travel to parts. Global Affairs Canada: Exercise a high degree of caution (with regional advisories). US State Department: Level 1: Exercise Normal Precautions. Everything for Thailand: cost of living, languages, emergency numbers and health.
On arrival in Ko Samui: the apps, paying, getting around, tipping and the emergency numbers.
June elsewhere
In June from
The other months at Ko Samui
Links marked Ad pay us a commission if you book through one, at no extra cost to you. That does not affect the numbers on this page, which are computed before any link is built.