Siem Reap in June
In June, Siem Reap averages 33°C (91°F) during the day and 25°C (77°F) at night, with frequent rain — about 15 days of the month see precipitation (210 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Plan for unsettled weather and bring rain gear.
June is one of the wetter and less comfortable months in Siem Reap. If your dates are flexible, consider a different time of year.
How June compares to the rest of the year in Siem Reap
June is in the middle of the year for warmth in Siem Reap (5th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 1°C above the annual average (33°C). June runs 1°C cooler than May (34°C) and cools 1°C in July (32°C).
June sunrise & sunset in Siem Reap
Times shown for Siem Reap local time (Asia/Phnom_Penh), calculated for the 15th of June. They shift by a few minutes day to day across the month.
Photography light in Siem Reap — June
Golden-hour and blue-hour windows for the 15th of June, in Siem Reap's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Siem Reap in June
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on June's tier (Shoulder) and Siem Reap's popularity.
Crowds & pricing — June in Siem Reap
Siem Reap is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — June in Siem Reap
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
📊 Right now vs typical — Siem Reap in June
The past 30 days in Siem Reap are tracking the long-term June average.
Comparison window 2026-05-20 → 2026-06-19 (19 days of observed data). Single-month windows are noisy — strong signals here flag a real anomaly; small ones (<1°C) are within typical year-to-year variation.
Siem Reap in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 20°C / 68°F | 5 mm | 1 | 0 |
| February | 33°C / 91°F | 21°C / 70°F | 5 mm | 1 | 0 |
| March | 35°C / 95°F | 23°C / 73°F | 30 mm | 3 | 0 |
| April | 35°C / 95°F | 25°C / 77°F | 90 mm | 7 | 0 |
| May | 34°C / 93°F | 25°C / 77°F | 170 mm | 11 | 0 |
| June | 33°C / 91°F | 25°C / 77°F | 210 mm | 15 | 0 |
| July | 32°C / 90°F | 25°C / 77°F | 200 mm | 16 | 0 |
| August | 32°C / 90°F | 25°C / 77°F | 230 mm | 18 | 0 |
| September | 31°C / 88°F | 25°C / 77°F | 275 mm | 18 | 0 |
| October | 31°C / 88°F | 24°C / 75°F | 260 mm | 15 | 0 |
| November | 31°C / 88°F | 23°C / 73°F | 135 mm | 9 | 0 |
| December | 31°C / 88°F | 21°C / 70°F | 30 mm | 3 | 0 |
Other cities with similar June weather
🌍 See the full ranked list of climate twins for Siem Reap in June →
Frequently asked questions
How hot is Siem Reap in June?
In June, Siem Reap averages a high of 33°C (91°F) and a low of 25°C (77°F) — generally hot.
Does it rain a lot in Siem Reap in June?
June is quite rainy in Siem Reap, with about 15 rainy days on average.
Is June a good time to visit Siem Reap?
June is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Siem Reap in June?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full June packing list for Siem Reap for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.