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Weather in Haikou — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Haikou

☁️

+27°

Overcast

Feels like +32° · humidity 87%

Tue 28.7: +36° / +27°

🕐 06:25

Wind

7 km/h

UV index

Air (AQI)

23 · Good

Precipitation

62%

Humidity

87%

Pressure

1007 hPa

Sunrise / sunset

06:12 / 19:17

Sea temperature

🌊 +31°

👕 What to wear today

Hot — light breathable clothing, a hat, plenty of water.

☂️ Take an umbrella💧 Bring waterFeels warmer by 5°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Haikou

Tuesday, 28 July, in Haikou (China): cloudy, light rain in places, hot. During the day the air will warm up to +36°, at night around +27°. Wind up to 21 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 +31° — great for swimming. The sun will rise at 06:12 and set at 19:17 — 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).

▶

Tue 28.7

🌦️

💧 62%

+27° +36°

Morning

🌦️

+30°

Day

🌦️

+36°

Evening

🌇

+34°

Night

🌙

+27°

Drizzle · precipitation 62% · wind up to 21 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Today 29.7

🌦️

💧 100%

+27° +32°

Morning

☁️

+29°

Day

🌦️

+32°

Evening

🌇

+28°

Night

🌙

+27°

Rain showers · precipitation 100% · wind up to 15 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tomorrow 30.7

⛈️

💧 99%

+25° +33°

Morning

☁️

+27°

Day

⛈️

+33°

Evening

🌇

+26°

Night

🌙

+25°

Thunderstorm with hail · precipitation 99% · wind up to 15 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Fri 31.7

⛈️

💧 98%

+26° +31°

Morning

⛈️

+28°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Thunderstorm · precipitation 98% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 1.8

⛈️

💧 98%

+25° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Thunderstorm with hail · precipitation 98% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 2.8

⛈️

💧 92%

+25° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm with hail · precipitation 92% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 3.8

⛈️

💧 98%

+26° +31°

Morning

⛈️

+28°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Thunderstorm with hail · precipitation 98% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 4.8

⛈️

💧 95%

+26° +27°

Morning

⛈️

+26°

Day

⛈️

+27°

Evening

🌇

+27°

Night

🌙

+26°

Thunderstorm · precipitation 95% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 5.8

⛈️

💧 92%

+25° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Thunderstorm · precipitation 92% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 6.8

⛈️

💧 83%

+26° +28°

Morning

⛈️

+27°

Day

⛈️

+28°

Evening

🌇

+28°

Night

🌙

+26°

Thunderstorm · precipitation 83% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 7.8

⛈️

💧 77%

+26° +28°

Morning

⛈️

+27°

Day

⛈️

+28°

Evening

🌇

+28°

Night

🌙

+26°

Thunderstorm · precipitation 77% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 8.8

⛈️

💧 84%

+26° +31°

Morning

⛈️

+28°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Thunderstorm · precipitation 84% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 9.8

🌦️

💧 84%

+26° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Drizzle · precipitation 84% · wind up to 26 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Mon 10.8

🌦️

💧 81%

+28° +34°

Morning

🌦️

+30°

Day

🌦️

+34°

Evening

🌇

+33°

Night

🌙

+28°

Drizzle · precipitation 81% · wind up to 20 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

🗺️ 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

15 / 100

for sea and sun · Bad

🏊 Swimming

8 / 100

water 31° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

62%

likely · high

✨ Stars

45 / 100

evening visibility · Average

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

21 / 100

better to wait · So-so

🌫️ Air quality

Good air

European AQI

PM2.5: 6PM10: 8O₃: 58NO₂: 3

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:12

Sunset

19:17

Golden hour

18:46

Daylight

13 h (-1 min vs yesterday)

Sea temperature

+31°

🌊 calm, waves 0.4 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.