The Li River: A Journey Through China’s Most Breathtaking Landscape
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Jiashan Weather in May
With daytime temperatures of 27°C (81°F) and nighttime lows of 18°C (64°F), May in Jiashan brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 149 mm (5.9 in) falls on average.
Rainfall in Jiashan in May
Historically, approximately 16 days this month are expected to have rain, averaging 149 mm (5.9 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Jiashan in May
Daytime highs in Jiashan in May reach 27°C (81°F), with nights around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Jiashan in May
The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.Should you favor a climate that's both dry and comfortably warm, October typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Jiashan Temperature in May
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
52%
Precipitation
149 mm (5.9 in)
Rainy days
16 days
Humidity
75% *
Sunshine
166 hours *
Percentage Sunshine
*
* Data from: Suzhou, China (59 KM, 37 Miles).
Jiashan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jiashan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Jiashan typically rise from around 23°C (73°F) at the start of May to approximately 26°C (79°F) by the end. Nights are pleasant, with lows typically ranging from 15°C (59°F) to 19°C (66°F).
Average temperatures in May
Historical weather records for Jiashan in May
Browse day-by-day weather records for Jiashan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jiashan historical weather extremes in May
Based on 50 years of weather observations in Jiashan between 1976 and 2026, these are the recorded extremes.
- The warmest day in May was on May 29, 2023, with a maximum of 37°C (99°F).
- The lowest daytime temperature in May was 13°C (55°F), recorded on May 2, 1986.
- Nighttime temperatures dropped to 8°C (46°F) on May 5, 1995, marking the coldest May night on record.
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 Jiashan in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Jiashan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Jiashan 3-Day Forecast
More climate data for Jiashan
Temperature Rainfall Sunshine Humidity
See the full Jiashan 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.