Dayi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dayi.
Climate overview of Dayi
The climate in Dayi, China, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to 7°C (45°F) in January.
The city has a wet climate, receiving around 1698 mm (67 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from June to September, with warm summers and cold winters. August is the wettest month. Sunshine peaks in August, when the city sees around 5.2 hours of sunshine per day.
Dayi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dayi - and find the best time to visit.
Monthly Temperature in Dayi
In Dayi, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a chilly 7°C (45°F) in January.
Nighttime temperatures range from 21°C (70°F) in July to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dayi
Dayi experiences significant rain/snowfall throughout the year, averaging 1698 mm (67 in) of precipitation annually. The seasons in Dayi bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 284 mm (11 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 53 mm (2.1 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Dayi Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Dayi
In Dayi, summer days are longer and more sunny, with daily sunshine hours peaking at 5.2 hours in August. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Dayi by Month
The city experiences its highest humidity in July, reaching 86%. In May, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dayi
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May and June
- Warmest weather: July and August
- Most sunshine: August
- Fewest rainy days: January, February and December
- Wettest months: June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from June to September, with warm summers and cold winters
Frequently asked questions about the climate in Dayi
What is the best time to visit Dayi?
April, May and June typically offer the most optimal weather in Dayi. In contrast, January, February, August and December tend to have less optimal conditions. Dayi has a distinct rainy season from June to September, with warm summers and cold winters.
What temperatures can I expect in Dayi?
Daytime highs range from 7°C (45°F) in January to 28°C (82°F) in July. Nighttime lows range from 1°C (34°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Dayi get?
Annual rainfall is around 1698 mm (67 in). August is the wettest month with 284 mm (11 in), while January is the driest with 53 mm (2.1 in).
How sunny is Dayi?
Dayi receives around 1,080 hours of sunshine per year. August is the sunniest month with 155 hours, while December is the cloudiest with just 50 hours.
Dayi 3-Day Forecast
Dayi on the map
Dayi is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Hangzhou
34°C (93°F) Guangzhou34°C (93°F) Shanghai32°C (90°F) Xi'an
33°C (91°F) Beijing32°C (90°F) Shenzhen32°C (90°F) Chengdu31°C (88°F) Qingdao29°C (84°F) 
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Go to Xinjiang in China
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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.