UTC Offset
UTC+08:00
Heyan, China Snapshot 2026
Where is Heyan?
Heyan, China
- Continent
- Asia
- Country
- China
- City
- Heyan
- Population
- 19.6K
- Coordinates
- 31.36°, 108.67°
Heyan is a city in China with a population of approximately 19.6K. Average temperatures range from 1°C (34°F) in January to 31°C (88°F) in August. The best time to visit is April, May, June, September, October.
Time in Heyan right now
Open full time & time zone page 01:10 10
Wednesday, July 1, 2026
IANA time zone
Asia/Shanghai
Daylight saving
No DST
Next DST change
—
Live weather in Heyan
Daylight in Heyan today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 09m
Climate normals for Heyan
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April best
Excellent May best
Excellent June best
Good July
Wet August
Fair September best
Excellent October best
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 1°C | 7°C / -2°C | 9days (41 mm) Wet | 5.2h Fair | 77% Humid | 2.9 Moderate | Poor | View Details |
| February | 11°C / 2°C | 9°C / -1°C | 9days (44 mm) Wet | 5.9h Fair | 76% Humid | 3.5 Moderate | Poor | View Details |
| March | 16°C / 7°C | 15°C / 5°C | 12days (78 mm) Wet | 6.6h Fair | 76% Humid | 4.7 Moderate | Fair | View Details |
| April best | 21°C / 12°C | 21°C / 11°C | 14days (104 mm) Wet | 7.5h Good | 76% Humid | 5.7 High | Excellent | View Details |
| May best | 24°C / 16°C | 26°C / 17°C | 15days (106 mm) Wet | 7.7h Good | 78% Humid | 6.4 High | Excellent | View Details |
| June best | 27°C / 20°C | 31°C / 22°C | 15days (177 mm) Wet | 7.8h Good | 81% Humid | 5.6 High | Good | View Details |
| July | 30°C / 23°C | 35°C / 26°C | 16days (180 mm) Wet | 9.3h Good | 80% Humid | 7.3 Very High | Wet | View Details |
| August | 31°C / 23°C | 36°C / 27°C | 11days (105 mm) Wet | 10.1h Excellent | 73% Muggy | 7.4 Very High | Fair | View Details |
| September best | 26°C / 19°C | 29°C / 21°C | 13days (147 mm) Wet | 6.9h Fair | 76% Humid | 5.8 High | Excellent | View Details |
| October best | 20°C / 14°C | 20°C / 14°C | 13days (135 mm) Wet | 5h Fair | 81% Humid | 3.7 Moderate | Good | View Details |
| November | 15°C / 7°C | 14°C / 6°C | 9days (63 mm) Wet | 5.1h Fair | 79% Humid | 3 Moderate | Fair | View Details |
| December | 10°C / 2°C | 8°C / -1°C | 7days (27 mm) Good | 5.5h Fair | 76% Humid | 2.9 Moderate | Poor | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 9°C / 1°C . Feb: 11°C / 2°C . Mar: 16°C / 7°C . Apr: 21°C / 12°C . May: 24°C / 16°C . Jun: 27°C / 20°C . Jul: 30°C / 23°C . Aug: 31°C / 23°C . Sep: 26°C / 19°C . Oct: 20°C / 14°C . Nov: 15°C / 7°C . Dec: 10°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 41 mm. Feb: 44 mm. Mar: 78 mm. Apr: 104 mm. May: 106 mm. Jun: 177 mm. Jul: 180 mm. Aug: 105 mm. Sep: 147 mm. Oct: 135 mm. Nov: 63 mm. Dec: 27 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 76%. Mar: 76%. Apr: 76%. May: 78%. Jun: 81%. Jul: 80%. Aug: 73%. Sep: 76%. Oct: 81%. Nov: 79%. Dec: 76%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 7 km/h . Feb: 7 km/h . Mar: 8 km/h . Apr: 8 km/h . May: 8 km/h . Jun: 7 km/h . Jul: 7 km/h . Aug: 7 km/h . Sep: 7 km/h . Oct: 7 km/h . Nov: 6 km/h . Dec: 6 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 3.
Frequently Asked Questions
Heyan has a population of approximately 19.6K.
The best months to visit Heyan are April, May, June, September, October, when temperatures are pleasant and rainfall is lower.
Heyan receives approximately 1207mm of rainfall annually across 143 rainy days.
Heyan is located in China, in the Asia region.