Guangzhou Weather in May
China · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Guangzhou sees average temperatures ranging from a low of 23.3°C (73.9°F) to a high of 30.1°C (86.2°F), with a mean of 26.2°C (79.2°F). Compared to the annual average of 23.1°C (73.6°F), this month is 3.1°C warmer than the yearly norm. Precipitation averages 296.3mm, making it approximately 111.0mm wetter than the monthly average of 186.0mm. The city receives an average of 7.9 hours of sunshine per day during May, with relative humidity averaging 82.0%. Wind speeds reach an average maximum of 17.2 km/h. For travelers, this month offers a temperature experience in Guangzhou, with wetter-than-average conditions compared to the rest of the year.
Guangzhou's humid subtropical climate is one of the wettest among major Chinese cities. I visited during the Canton Fair in April and found the weather pleasant, but the summer months bring intense heat and frequent typhoons. The data clearly shows October to December as the optimal window, when the humidity drops and the city's famous food scene can be enjoyed in comfort.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 23.1°C (73.6°F) | 26.2°C (79.2°F) | 28.0°C (82.4°F) |
| Rainfall | 241.1mm | 296.3mm | 406.2mm |
| Sunshine | 6.6 hrs | 7.9 hrs | 7.9 hrs |
| Humidity | 79.1% | 82.0% | 85.0% |
| Wind | 18.6 km/h | 17.2 km/h | 18.2 km/h |
| Rainy Days | 21.0 | 26.2 | 29.0 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Guangzhou in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Guangzhou in May?
The average temperature in Guangzhou during May ranges from 23.3°C (73.9°F) to 30.1°C (86.2°F), with a mean of 26.2°C (79.2°F).
How much does it rain in Guangzhou in May?
Guangzhou receives an average of 296.3mm of precipitation in May, spread across approximately 26.2 rainy days.
What should I pack for Guangzhou in May?
Based on May weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 296.3mm of precipitation.
Is May a good time to visit Guangzhou?
May is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Guangzhou
Cities with Similar May Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 23.13°, 113.26°. Timezone: Asia/Shanghai. Last updated: 2026-07-30.