City break

Hoi An weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

27

Holiday weather in July

Poor

Best time to visit: February – April

What is the weather like in Hoi An in July?

In July, Hoi An is very hot: daytime highs average 33 °C, and even at night it stays warm at around 27 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 17 days, totalling 121 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Hoi An.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score332727
Day34°33°33°
Night27°27°27°
Sea29°30°30°
Sun8 h7 h7 h
Rain days141719

More details for July

Daylight
12 h 59 min05:23 – 18:22
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or more
Wind
12 km/haverage daily peak
Cloud cover
76 %on average
Hot days
29 days30 °C or more
Time zone
UTC+7Asia/Ho_Chi_Minh

How the score comes together

  • Temperatureweight 50 %24 %
  • Sunshineweight 20 %65 %
  • Few rainy daysweight 30 %7 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Hoi An in July: quick answers

Is Hoi An hot in July?

Yes. In July, Hoi An is very hot: daytime highs average 33 °C and nights stay around 27 °C. On about 29 days the thermometer climbs to 30 °C or more.

Can you swim in Hoi An in July?

Yes. In July the sea averages 29.5 °C – almost as warm as a bath.

Does it rain much in Hoi An in July?

It rains often – on about 17 days, adding up to 121 mm.

Hoi An month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)