UTC Offset
UTC+08:00
Haimen, China Snapshot 2026
Where is Haimen?
Haimen, China
- Continent
- Asia
- Country
- China
- City
- Haimen
- Population
- 125.4K
- Coordinates
- 23.19°, 116.61°
Haimen is a city in China with a population of approximately 125.4K. Average temperatures range from 13°C (55°F) in January to 31°C (87°F) in July. The best time to visit is March, April, October, November, December.
Time in Haimen right now
Open full time & time zone page 02:10 10
Wednesday, July 1, 2026
IANA time zone
Asia/Shanghai
Daylight saving
No DST
Next DST change
—
Live weather in Haimen
Daylight in Haimen today
View full sunrise & sunset page Sunrise
Sunset
Day length
13h 32m
Climate normals for Haimen
Long-term monthly averages based on historical data.
January
Good 
February
Good March best
Excellent April best
Excellent May
Fair June
Wet July
Wet August
Wet September
Poor October best
Excellent November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 18°C / 13°C | 17°C / 11°C | 6days (39 mm) Good | 7.5h Good | 75% Muggy | 5.2 High | Good | View Details |
| February | 18°C / 13°C | 17°C / 11°C | 5days (36 mm) Good | 7.7h Good | 78% Humid | 5.5 High | Good | View Details |
| March best | 21°C / 16°C | 22°C / 15°C | 10days (77 mm) Wet | 8h Good | 81% Humid | 6.5 High | Excellent | View Details |
| April best | 25°C / 20°C | 27°C / 21°C | 10days (110 mm) Wet | 8.7h Good | 82% Humid | 7.2 Very High | Excellent | View Details |
| May | 27°C / 23°C | 32°C / 27°C | 17days (170 mm) Wet | 8.7h Good | 85% Humid | 6.9 High | Fair | View Details |
| June | 29°C / 26°C | 35°C / 31°C | 24days (247 mm) Wet | 8.7h Good | 88% Very Muggy | 8 Very High | Wet | View Details |
| July | 31°C / 27°C | 37°C / 32°C | 21days (188 mm) Wet | 10.5h Excellent | 86% Very Muggy | 8 Very High | Wet | View Details |
| August | 30°C / 26°C | 37°C / 32°C | 24days (282 mm) Wet | 9.4h Good | 87% Very Muggy | 7.9 Very High | Wet | View Details |
| September | 30°C / 26°C | 35°C / 30°C | 17days (179 mm) Wet | 9.8h Good | 83% Humid | 7.1 Very High | Poor | View Details |
| October best | 27°C / 23°C | 29°C / 24°C | 8days (105 mm) Wet | 8.7h Good | 75% Muggy | 6.1 High | Excellent | View Details |
| November best | 24°C / 19°C | 24°C / 19°C | 6days (51 mm) Good | 8.3h Good | 74% Muggy | 5.4 High | Excellent | View Details |
| December best | 20°C / 14°C | 18°C / 12°C | 4days (26 mm) Good | 8.2h Good | 71% Muggy | 4.8 Moderate | Excellent | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 18°C / 13°C . Feb: 18°C / 13°C . Mar: 21°C / 16°C . Apr: 25°C / 20°C . May: 27°C / 23°C . Jun: 29°C / 26°C . Jul: 31°C / 27°C . Aug: 30°C / 26°C . Sep: 30°C / 26°C . Oct: 27°C / 23°C . Nov: 24°C / 19°C . Dec: 20°C / 14°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 39 mm. Feb: 36 mm. Mar: 77 mm. Apr: 110 mm. May: 170 mm. Jun: 247 mm. Jul: 188 mm. Aug: 282 mm. Sep: 179 mm. Oct: 105 mm. Nov: 51 mm. Dec: 26 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 78%. Mar: 81%. Apr: 82%. May: 85%. Jun: 88%. Jul: 86%. Aug: 87%. Sep: 83%. Oct: 75%. Nov: 74%. Dec: 71%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 18 km/h . Apr: 17 km/h . May: 17 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 18 km/h . Dec: 18 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 16°C . Feb: 17°C . Mar: 18°C . Apr: 22°C . May: 25°C . Jun: 26°C . Jul: 26°C . Aug: 26°C . Sep: 27°C . Oct: 27°C . Nov: 23°C . Dec: 19°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 5. Feb: UV 6. Mar: UV 7. Apr: UV 7. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 5. Dec: UV 5.
Frequently Asked Questions
Haimen has a population of approximately 125.4K.
The best months to visit Haimen are March, April, October, November, December, when temperatures are pleasant and rainfall is lower.
Haimen receives approximately 1510mm of rainfall annually across 152 rainy days.
Haimen is located in China, in the Asia region.