Pi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pi.
Climate overview of Pi
Temperatures in Pi, Sichuan, China, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 10°C (50°F).
The city receives considerable rainfall, with around 1116 mm (44 in) annually. August is the wettest month. It has a distinct dry season from November to March, with very warm summers and cold winters. Sunshine peaks in August, when the city sees around 5.2 hours of sunshine per day.
Pi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pi - and find the best time to visit.
Monthly Temperature in Pi
The climate in Pi is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 23°C (73°F) in July to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pi
Pi has a notably wet climate with abundant precipitation, recording 1116 mm (44 in) of rainfall per year. The climate in Pi shows significant variation throughout the year. Expect heavy rainfall in August, the wettest month, with an average of 253 mm (10 in) of precipitation over 16 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 24 mm (0.9 in) of rainfall over 7 rainy days. For more details, please visit our Pi 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 Pi
For those who appreciate different seasons, Pi serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 5.2 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Pi 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 Pi
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 October
- Warmest weather: June, July and August
- Most sunshine: August
- Fewest rainy days: January, February and December
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from November to March, with very warm summers and cold winters
Frequently asked questions about the climate in Pi
What is the best time to visit Pi?
April, May and October typically offer the most optimal weather in Pi. In contrast, July and August tend to have less optimal conditions. Pi has a distinct dry season from November to March, with very warm summers and cold winters.
What temperatures can I expect in Pi?
Daytime highs range from 10°C (50°F) in January to 31°C (88°F) in July. Nighttime lows range from 4°C (39°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Pi get?
Annual rainfall is around 1116 mm (44 in). August is the wettest month with 253 mm (10 in), while December is the driest with 24 mm (0.9 in).
How sunny is Pi?
Pi 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.
Pi 3-Day Forecast
Pi 3-Day Forecast
Pi on the map
Pi is highlighted - select any city to see its climate.
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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.