Guangzhou Weather in May
Guangzhou in May averages 31°C (88°F) during the day and 24°C (75°F) at night. May is part of the rainy season, so frequent rainfall is typical.
Rainfall in Guangzhou in May
Guangzhou is in the rainy season in May, with rain on around 18 days and an average of 316 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 Guangzhou in May
In May, Guangzhou sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 24°C (75°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of 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.
Sunshine in Guangzhou in May
You can expect a moderate amount of sunlight, with approximately 106 hours. Even though this month is part of the wet season, you can still see the sun occasionally.May in Guangzhou has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Guangzhou's climate page.
Guangzhou Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guangzhou 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 for Guangzhou in May
Browse day-by-day weather records for Guangzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guangzhou historical weather extremes in May
According to our 49 years of weather records for Guangzhou, the following extremes were recorded between 1976 and 2025.
- On May 30, 2023, temperatures climbed to 38°C (100°F), marking the warmest May day on record.
- The coldest May day was on May 4, 1981, with a maximum of 18°C (64°F).
- The lowest overnight temperature recorded in May was 15°C (59°F) (May 2, 2022).
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 →
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What to Wear in Guangzhou in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Guangzhou in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Guangzhou's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guangzhou climate overview or explore weather in China.