Chenghai, China experiences average highs of 24°C (75°F) and lows of 15°C (59°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Chenghai, China Weather & Climate 2026
Monthly climate averages for Chenghai, China. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.8/10
Best: January, March, April, May, November
UV Index
7
High
Temperature 24°C / 15°C
Feels Like 24°C / 15°C
Rainy Days 11
Rainfall 86 mm
Sunshine 9 h
Humidity 66%
Wind Speed 10 km/h
Dew Point 13°C
Snow Days 1 days
Hottest Month
29°C
May
Avg Low18°C
Rain8days
Coldest Month
8°C
January
Avg High18°C
Rain3days
Driest Month
2days
February
Avg High20°C
Avg Low9°C
Windiest Month
15 km/h
March (Gusts 53)
Worst Time to Visit
Consider avoiding July, August due to heavy rainfall.
Sun Position
Sunrise 06:25
Daylight 13.8h
Sunset 20:13
Live conditions—
Chenghai on the map · live conditions
Chenghai, China
- Continent
- Asia
- Country
- China
- City
- Chenghai
- Population
- 39.8K
- Coordinates
- 26.46°, 100.68°
Seasonal Breakdown
Spring
Mar–May
Avg High 27°C
Avg Low 15°C
Rain 5 days/mo
3/3 best months
Summer
Jun–Aug
Avg High 27°C
Avg Low 20°C
Rain 23 days/mo
Autumn
Sep–Nov
Avg High 23°C
Avg Low 16°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 19°C
Avg Low 8°C
Rain 2 days/mo
1/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 18°C / 8°C . Feb: 20°C / 9°C . Mar: 25°C / 12°C . Apr: 28°C / 15°C . May: 29°C / 18°C . Jun: 28°C / 20°C . Jul: 27°C / 20°C . Aug: 27°C / 20°C . Sep: 25°C / 19°C . Oct: 23°C / 16°C . Nov: 21°C / 12°C . Dec: 18°C / 9°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 9 mm. Feb: 12 mm. Mar: 10 mm. Apr: 21 mm. May: 63 mm. Jun: 147 mm. Jul: 245 mm. Aug: 260 mm. Sep: 167 mm. Oct: 67 mm. Nov: 21 mm. Dec: 5 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 56%. Feb: 51%. Mar: 45%. Apr: 47%. May: 56%. Jun: 75%. Jul: 84%. Aug: 85%. Sep: 85%. Oct: 81%. Nov: 68%. Dec: 64%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 14 km/h . Mar: 15 km/h . Apr: 14 km/h . May: 11 km/h . Jun: 8 km/h . Jul: 7 km/h . Aug: 6 km/h . Sep: 6 km/h . Oct: 7 km/h . Nov: 8 km/h . Dec: 9 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 10h. Mar: 11h. Apr: 11h. May: 10h. Jun: 9h. Jul: 8h. Aug: 9h. Sep: 8h. Oct: 8h. Nov: 9h. Dec: 9h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 5. Feb: UV 7. Mar: UV 8. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 8. Oct: UV 6. Nov: UV 5. Dec: UV 5.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 27 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Apr 2025 · 28°C | May · 29°C |
| Coldest month | Jan 2025 · 8°C | Jan · 8°C |
| Wettest month | Aug 2025 · 379 mm | Aug · 260 mm |
| Windiest month | Feb 2025 · 15 km/h | Mar · 15 km/h |
Month-by-Month Weather Table
January best
Excellent 
February
Good March best
Excellent April best
Excellent May best
Excellent June
Wet July
Wet August
Wet September
Wet October
Good November best
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 18°C / 8°C | 15°C / 6°C | 3days (9 mm) Excellent | 9h Good | 56% Moderate | 5.4 High | Excellent | View Details |
| February | 20°C / 9°C | 17°C / 7°C | 2days (12 mm) Excellent | 9.8h Good | 51% Moderate | 6.8 High | Good | View Details |
| March best | 25°C / 12°C | 22°C / 10°C | 2days (10 mm) Excellent | 10.7h Excellent | 45% Moderate | 7.9 Very High | Excellent | View Details |
| April best | 28°C / 15°C | 26°C / 14°C | 4days (21 mm) Good | 10.7h Excellent | 47% Moderate | 8.8 Very High | Excellent | View Details |
| May best | 29°C / 18°C | 29°C / 19°C | 8days (63 mm) Wet | 10.2h Excellent | 56% Moderate | 7.8 Very High | Excellent | View Details |
| June | 28°C / 20°C | 31°C / 23°C | 18days (147 mm) Wet | 8.8h Good | 75% Muggy | 8 Very High | Wet | View Details |
| July | 27°C / 20°C | 31°C / 24°C | 25days (245 mm) Wet | 8.2h Good | 84% Humid | 8 Very High | Wet | View Details |
| August | 27°C / 20°C | 32°C / 23°C | 26days (260 mm) Wet | 8.8h Good | 85% Humid | 8 Very High | Wet | View Details |
| September | 25°C / 19°C | 29°C / 22°C | 23days (167 mm) Wet | 8h Good | 85% Humid | 7.9 Very High | Wet | View Details |
| October | 23°C / 16°C | 24°C / 18°C | 13days (67 mm) Wet | 8h Good | 81% Humid | 6.3 High | Good | View Details |
| November best | 21°C / 12°C | 20°C / 11°C | 3days (21 mm) Excellent | 9h Good | 68% Muggy | 5.4 High | Excellent | View Details |
| December | 18°C / 9°C | 16°C / 7°C | 2days (5 mm) Excellent | 9h Good | 64% Muggy | 5.2 High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Chenghai are January, March, April, May, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Chenghai, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Chenghai is May, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Chenghai is January, with average overnight lows of 8°C (46°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Chenghai is August, averaging 260mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Chenghai runs through August, July, September, June, with the heaviest rainfall in August. Based on 10-year averages for Chenghai.
Chenghai receives approximately 110 sunshine hours per year. The sunniest month is March with around 11 hours. Based on climate data for Chenghai.
The least favorable months to visit Chenghai are July, August, primarily due to heavy rainfall. For the best conditions, consider January, March, April, May, November instead.
The annual average UV index in Chenghai is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Chenghai is 66%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Chenghai receives snow. Months with snowfall average 1 snow days and 2 cm (1 in) of accumulation, with about 0 frost days during winter.
Average wind speeds in Chenghai are 10 km/h (6 mph). The windiest month is March with peak winds reaching 15 km/h (9 mph) (gusts up to 53 km/h / 33 mph).
Chenghai averages 7 clear-sky days per month with overall cloud cover around 54%. The clearest skies occur in January.
The annual average dew point in Chenghai is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Chenghai has a Hot-Summer Mediterranean climate, classified as Csa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Chenghai ranges from 15°C (59°F) to 24°C (75°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Chenghai, with a climate score of 6.8/10. Consider visiting during January, March, April, May, November instead for better conditions.
For June in Chenghai, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 28°C (83°F) and 18 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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