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Helong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Helong.
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Climate overview of Helong
Helong, China, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to -7°C (19°F) in January.
Annual rain/snowfall is moderate at around 888 mm (35 in), with July being the wettest month. The city also has a distinct dry season from November to March, with warm summers and very cold winters.
Helong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Helong - and find the best time to visit.
Monthly Temperature in Helong
Depending on the time of the year, temperatures range from comfortable to very cold in Helong. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -7°C (19°F).
At night, temperatures range from around 16°C (61°F) in July to -20°C (-4°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Helong
Generally, Helong has a moderate amount of precipitation, averaging 888 mm (35 in) of rain/snowfall annually. Helong can be quite wet during July, receiving approximately 186 mm (7.3 in) of precipitation over 18 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 12 mm (0.5 in) of precipitation spread across 6 snowy days. For more details, please visit our Helong Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Helong
The most comfortable overall weather for exploring Helong is usually found in September. Conditions are generally least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
mixed
May
good
Jun
very good
Jul
good
Aug
very good
Sep
excellent
Oct
mixed
Nov
cold
Dec
very cold
- Best overall: September
- Warmest weather: July and August
- Fewer rainy days: January, February, March, November and December
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from November to March, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -20°C (-4°F).
Frequently asked questions about the climate in Helong
What is the best time to visit Helong?
September typically offers the most optimal weather in Helong. In contrast, January, February, March, November and December tend to have less optimal conditions. Helong has a distinct dry season from November to March, with warm summers and very cold winters.
What temperatures can I expect in Helong?
Daytime highs range from -7°C (19°F) in January to 26°C (79°F) in July. Nighttime lows range from -20°C (-4°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Helong get?
Annual rainfall is around 888 mm (35 in). July is the wettest month with 186 mm (7.3 in), while January is the driest with 12 mm (0.5 in).
Helong 3-Day Forecast
Helong on the map
Helong is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Guangzhou
30°C (86°F) Shenzhen29°C (84°F) Hangzhou25°C (77°F) Shanghai24°C (75°F) Chengdu
22°C (72°F) Xi'an21°C (70°F) Beijing
21°C (70°F) Qingdao21°C (70°F) 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
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Go to Xinjiang in China
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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.