Hoi An in August

In August, Hoi An averages 34°C (93°F) during the day and 25°C (77°F) at night, with around 9 days of rain (110 mm total).

Shoulder

Conditions are very hot — early-morning and evening sightseeing recommended. Occasional showers are likely but won't dominate.

August in Hoi An is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

34°C
Avg high
25°C
Avg low
9
Rain days
110 mm
Rainfall

How August compares to the rest of the year in Hoi An

3rd
warmest month of the 12
6th
wettest month of the 12
5%
of yearly rainfall falls in August
12 h 40 min
daylight on the 15th

August is one of the warmest months in Hoi An (3rd of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 4°C above the annual average (30°C). August runs roughly the same as July (34°C) and cools 2°C in September (32°C).

August sunrise & sunset in Hoi An

🌅
Sunrise (15th)
5:31 AM
🌇
Sunset (15th)
6:11 PM
Day length
12 h 40 min

Times shown for Hoi An local time (Asia/Ho_Chi_Minh), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Hoi An — August

Golden-hour and blue-hour windows for the 15th of August, in Hoi An's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:31 AM – 5:11 AM
🌄 Golden hour (AM)
5:11 AM – 6:11 AM
🌇 Golden hour (PM)
5:31 PM – 6:31 PM
🌆 Blue hour (PM)
6:31 PM – 7:11 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Hoi An.

📅 When to book — Hoi An in August

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 August's tier (Shoulder) and Hoi An's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — August in Hoi An

Shoulder

Hoi An 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.

Why this tier: challenging tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — August in Hoi An

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

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.

Hoi An in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 24°C / 75°F 19°C / 66°F 75 mm 11 0
February 26°C / 79°F 20°C / 68°F 30 mm 5 0
March 29°C / 84°F 21°C / 70°F 30 mm 5 0
April 31°C / 88°F 23°C / 73°F 35 mm 5 0
May 33°C / 91°F 24°C / 75°F 80 mm 8 0
June 34°C / 93°F 25°C / 77°F 85 mm 8 0
July 34°C / 93°F 25°C / 77°F 95 mm 8 0
August 34°C / 93°F 25°C / 77°F 110 mm 9 0
September 32°C / 90°F 24°C / 75°F 335 mm 15 0
October 29°C / 84°F 23°C / 73°F 605 mm 21 0
November 27°C / 81°F 22°C / 72°F 420 mm 18 0
December 25°C / 77°F 20°C / 68°F 210 mm 15 0

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Hoi An in August →

Frequently asked questions

How hot is Hoi An in August?

In August, Hoi An averages a high of 34°C (93°F) and a low of 25°C (77°F) — generally hot.

Does it rain a lot in Hoi An in August?

August sees occasional rain in Hoi An, with about 9 rainy days on average.

Is August a good time to visit Hoi An?

August is hot. 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 Hoi An in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Hoi An for a complete, climate-based checklist.

Open Hoi An on the interactive map

Check the live 10-day forecast and sunrise/sunset.