Haimen Weather in October
What's the weather like in Haimen (Jiangsu Sheng) in October 2025?
The climate in Haimen during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Haimen and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 21.8°C 71.2°F |
|---|---|
| Nightly temperature | 13.9°C 56.9°F |
| Average temperature | 17.8°C 64°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 56 mm 2.2 ins |
| Rainy days | 11 days |
| Sea temperature | 22°C 71.6°F |
| Humidity | 76% |
| Windspeed | 10.1kph 6 mph |
On average October is the 5th driest month of the year in Haimen with around 56mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
October temperatures in Haimen
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Haimen in October 2025.
Other monthly averages
Best places to visit in October
Haimen weather stats
| Hottest month: | July | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | December | 33mm 1.3ins |
| Sunniest month: | August | 8.2hrs |
| Coldest month: | January | 6.6°C 43.9°F |
| Wettest month: | July | 172mm 6.8ins |
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