🇨🇳 Weather in Haikou
Map Overlays:
Hourly Forecast for Haikou
06:00
26°
26%
07:00
27°
25%
08:00
28°
15%
09:00
29°
19%
10:00
30°
17%
11:00
32°
15%
12:00
32°
14%
13:00
32°
15%
14:00
32°
50%
15:00
31°
27%
16:00
31°
5%
17:00
31°
19%
18:00
30°
28%
19:00
29°
20%
20:00
28°
23%
21:00
28°
21%
22:00
28°
9%
23:00
28°
18%
00:00
28°
23%
01:00
28°
28%
02:00
27°
27%
03:00
27°
23%
04:00
26°
18%
05:00
26°
25%
14-Day Forecast for Haikou
2026-08-24
Overcast
32° /
26°
2026-08-25
Patchy rain nearby
32° /
26°
2026-08-26
Light rain shower
31° /
25°
2026-08-27
Light rain shower
31° /
26°
2026-08-28
Overcast
32° /
26°
2026-08-29
Overcast
32° /
27°
2026-08-30
Light rain shower
28° /
25°
Additional Forecasts for Haikou
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 163.0 μg/m³
O₃ (Ozone) 53.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.3 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 5.6 μg/m³
PM10 (Coarse particles) 6.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in China
Weather in Haikou — FAQ
Answers refreshed each request based on current conditions in Haikou.
What is the weather like right now in Haikou?
Right now in Haikou, China the temperature is 26.6°C (feels like 29.6°C), with patchy rain nearby. Relative humidity is 87% and wind is 10.4 km/h.
What is today's high and low temperature in Haikou?
Today's forecast high in Haikou is 32.2°C and the overnight low is 26.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Haikou today?
The chance of precipitation in Haikou today is 63%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Haikou differ from nearby cities?
Even short distances can change temperatures noticeably. Haikou's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.