Weather in Haikou — today
Now in Haikou
🌙
+26°
Mostly clear
Feels like +32° · humidity 98%
Fri 14.8: +34° / +27°
🕐 04:25
Wind
6 km/h
UV index
0
Air (AQI)
34 · Good
Precipitation
80%
Humidity
98%
Pressure
1002 hPa
Sunrise / sunset
06:18 / 19:08
Sea temperature
🌊 +32°
👕 What to wear today
Hot — light breathable clothing, a hat, plenty of water.
☂️ Take an umbrella💧 Bring waterFeels warmer by 6°
Weather for an activity:
Detailed weather information for Haikou
Friday, 14 August, in Haikou (China): partly cloudy, hot. During the day the air will warm up to +34°, at night around +27°. Wind up to 12 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Dress as lightly as possible, wear a hat, apply sunscreen and keep water with you. The sea has warmed up to +32° — great for swimming. The sun will rise at 06:18 and set at 19:08 — daylight lasts 13 hours.Hourly weather in Haikou
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Haikou for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Fri 14.8
⛈️
💧 80%
+27° +34°
Morning
⛈️
+30°
Day
⛈️
+34°
Evening
🌇
+32°
Night
🌙
+27°
▶
Today 15.8
⛈️
💧 93%
+26° +32°
Morning
☁️
+29°
Day
⛈️
+32°
Evening
🌇
+28°
Night
🌙
+26°
▶
Tomorrow 16.8
⛈️
💧 100%
+26° +31°
Morning
⛅
+28°
Day
⛈️
+31°
Evening
🌇
+28°
Night
🌙
+26°
▶
Mon 17.8
⛈️
💧 91%
+26° +33°
Morning
⛈️
+29°
Day
⛈️
+33°
Evening
🌇
+31°
Night
🌙
+26°
▶
Tue 18.8
⛈️
💧 94%
+26° +31°
Morning
⛈️
+28°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+26°
▶
Wed 19.8
⛈️
💧 98%
+25° +29°
Morning
⛈️
+26°
Day
⛈️
+29°
Evening
🌇
+28°
Night
🌙
+25°
▶
Thu 20.8
⛈️
💧 100%
+25° +29°
Morning
⛈️
+26°
Day
⛈️
+29°
Evening
🌇
+28°
Night
🌙
+25°
▶
Fri 21.8
⛈️
💧 91%
+25° +28°
Morning
⛈️
+26°
Day
⛈️
+28°
Evening
🌇
+27°
Night
🌙
+25°
▶
Sat 22.8
⛈️
💧 88%
+26° +30°
Morning
⛈️
+27°
Day
⛈️
+30°
Evening
🌇
+29°
Night
🌙
+26°
▶
Sun 23.8
⛈️
💧 88%
+26° +29°
Morning
⛈️
+27°
Day
⛈️
+29°
Evening
🌇
+28°
Night
🌙
+26°
▶
Mon 24.8
⛈️
💧 89%
+26° +28°
Morning
⛈️
+27°
Day
⛈️
+28°
Evening
🌇
+28°
Night
🌙
+26°
▶
Tue 25.8
⛈️
💧 90%
+26° +31°
Morning
⛈️
+28°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+26°
▶
Wed 26.8
⛈️
💧 95%
+26° +33°
Morning
⛈️
+29°
Day
⛈️
+33°
Evening
🌇
+31°
Night
🌙
+26°
▶
Thu 27.8
🌦️
💧 91%
+26° +31°
Morning
🌦️
+28°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+26°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
11 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 32° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
80%
likely · high
✨ Stars
32 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
34
Good air
European AQI
PM2.5: 12PM10: 12O₃: 49NO₂: 11
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:18
Sunset
19:08
Golden hour
18:38
Daylight
13 h (-1 min vs yesterday)
Sea temperature
+32°
🌊 calm, waves 0.1 m.
Haikou climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+21°
+17°
Jan
+22°
+18°
Feb
+26°
+20°
Mar
+29°
+23°
Apr
+30°
+25°
May
+31°
+27°
Jun
+31°
+27°
Jul
+31°
+26°
Aug
+29°
+25°
Sep
+27°
+24°
Oct
+25°
+22°
Nov
+22°
+19°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Sea | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|---|
| January | +21° | +17° | +20° | 30 mm | Ideal weather: +21° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. This is the coldest month of the year. |
| February | +22° | +18° | +21° | 33 mm | The most pleasant season: +22° by day, comfortable all day long. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit. |
| March | +26° | +20° | +22° | 38 mm | One of the best times to visit: +26° by day, fresh nights. 😊 light summer clothing. Water at +22° — great for swimming. Weather-wise, one of the three best months to visit. |
| April | +29° | +23° | +26° | 72 mm | Gentle warmth — about +29° daytime, great walking weather. Frequent rain (72 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming. |
| May | +30° | +25° | +29° | 131 mm | A comfortable month: +30° by day without exhausting heat. One of the wettest months (131 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. |
| June | +31° | +27° | +31° | 166 mm | Warm and comfortable: +31° by day, +27° at night. It's a rainy month (166 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +31° — like a warm bath. The longest daylight hours of the year — more time for everything. |
| July | +31° | +27° | +31° | 174 mm | Gentle warmth — about +31° daytime, great walking weather. Frequent rain (174 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +31° — like a warm bath. This is the hottest month of the year in Haikou. |
| August | +31° | +26° | +31° | 241 mm | A comfortable month: +31° by day without exhausting heat. One of the wettest months (241 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath. Statistically the wettest month of the year. |
| September | +29° | +25° | +30° | 223 mm | Warm and comfortable: +29° by day, +25° at night. It's a rainy month (223 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| October | +27° | +24° | +28° | 160 mm | Gentle warmth — about +27° daytime, great walking weather. Frequent rain (160 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. |
| November | +25° | +22° | +25° | 46 mm | The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit. |
| December | +22° | +19° | +22° | 37 mm | One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. Water at +22° — great for swimming. The shortest daylight of the year — it gets dark early. |
When to visit Haikou
✅ Recommended time to visit
🌟 Best time: February, March, November
Daytime air+22…+26°
Sea temperature+21…+25°
Precipitationoften
Why: comfortable +22…+26° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, April, May, June, October, December
Daytime air+21…+31°
Sea temperature+20…+31°
Precipitationoften
Why: noticeable rain risk (30–166 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: July, August, September
Daytime air+29…+31°
Sea temperature+30…+31°
Precipitationoften
Why: the rainy season (174–241 mm/month) — downpours almost daily.
Bottom line: the best time to visit Haikou is February, March, November, and the most comfortable months are February, March, November. The toughest months to visit are July, August, September: frequent rain.
🌡️ Today vs the climate normal
Today's high
+34°
Normal for August
+31°
Deviation
3° warmer than normal
A year ago on this day
+32°
Record for this date
+34° (2017)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Haikou
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near Haikou
Frequently asked questions about the weather in Haikou
What is the weather in Haikou right now?＋
Mostly clear, +26°, feels like +32°.
Will it rain in Haikou today?＋
Yes: 80% chance, 9 mm.
When is the best time to visit Haikou?＋
Best time to visit — February, March, November.
Can you swim in Haikou in winter?＋
In winter the water is around +21° — swimmable, refreshing. In summer the sea warms up to +31°.
What time are sunrise and sunset in Haikou?＋
Sunrise 06:18, sunset 19:08.
Does it snow in Haikou in winter?＋
No, it practically never snows.
What is the climate in Haikou by month?＋
Summers up to +31° in July, winters around +17° in January; the wettest month is August.
How hot is it in Haikou in summer?＋
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.