The Li River: A Journey Through China’s Most Breathtaking Landscape
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Dongguan Weather in May
May in Dongguan sees daytime temperatures around 31°C (88°F) and lows of 24°C (75°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Dongguan in May
Dongguan is in the rainy season in May, with rain on around 18 days and an average of 309 mm (12 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Dongguan in May
In May, expect very high temperatures in Dongguan, with highs of 31°C (88°F) and lows of 24°C (75°F) at night. It's usually most comfortable outside during the morning and later in the day. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.May in Dongguan has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Dongguan Temperature in May
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
58%
Precipitation
309 mm (12 in)
Rainy days
18 days
Humidity
81%
Dongguan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dongguan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dongguan typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Dongguan in May
Browse day-by-day weather records for Dongguan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dongguan historical weather extremes in May
Our historical data for Dongguan spans 1976 to 2026, revealing these weather extremes.
- Dongguan recorded its highest May temperature of 37°C (99°F) on May 31, 2023.
- The coldest May day was on May 4, 1981, with a maximum of 18°C (64°F).
- Dongguan registered its coldest May night on May 2, 2022, with temperatures dropping to 15°C (59°F).
Best Places in China in May
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Dongguan in May
Warm but pleasant conditions in Dongguan in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Dongguan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Dongguan 3-Day Forecast
More climate data for Dongguan
See the full Dongguan climate overview or explore weather in China.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.