Sihui Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sihui.
Climate overview of Sihui
Sihui, Guangdong, China, sees big temperature differences between seasons, with July peaking at 34°C (93°F) and January dropping to 18°C (64°F).
The city has a wet climate, receiving around 2161 mm (85 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from April to September, with very warm summers and pleasant winters. June is the wettest month. The sunniest month is July, with 6.7 hours of sunshine per day on average.
Sihui Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sihui - and find the best time to visit.
Monthly Temperature in Sihui
Visitors to Sihui can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a pleasant 18°C (64°F) in January.
Nighttime temperatures range from 26°C (79°F) in July to 11°C (52°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sihui
Sihui is known for its substantial rainfall, with annual precipitation reaching 2161 mm (85 in). The seasons in Sihui bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 375 mm (15 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 49 mm (1.9 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sihui 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 Sihui
In Sihui, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. March sees a soft sun for only 2.0 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 Sihui by Month
The relative humidity is high throughout the year in Sihui.
The city experiences its highest humidity in April, reaching 84%. In November, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Sihui
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February, October, November and December
- Warmest weather: June, July, August and September
- Most sunshine: July
- Fewest rainy days: October, November and December
- Wettest months: April, May, June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from April to September, with very warm summers and pleasant winters
Frequently asked questions about the climate in Sihui
What is the best time to visit Sihui?
February, October, November and December typically offer the most optimal weather in Sihui. In contrast, April, May, June, July and August tend to have less optimal conditions. Sihui has a distinct rainy season from April to September, with very warm summers and pleasant winters.
What temperatures can I expect in Sihui?
Daytime highs range from 18°C (64°F) in January to 34°C (93°F) in July. Nighttime lows range from 11°C (52°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does Sihui get?
Annual rainfall is around 2161 mm (85 in). June is the wettest month with 375 mm (15 in), while December is the driest with 49 mm (1.9 in).
How sunny is Sihui?
Sihui receives around 1,629 hours of sunshine per year. July is the sunniest month with 201 hours, while March is the cloudiest with just 61 hours.
Sihui 3-Day Forecast
Sihui 3-Day Forecast
Sihui on the map
Sihui is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Hangzhou
35°C (95°F) Xi'an
34°C (93°F) Guangzhou34°C (93°F) Beijing34°C (93°F) Shanghai33°C (91°F) Shenzhen32°C (90°F) Chengdu32°C (90°F) Qingdao28°C (82°F) 
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