Weather in Sanya — today
Now in Sanya
🌦️
+26°
Drizzle
Feels like +29° · humidity 97%
Today 12.9: +26° / +24°
🕐 13:25
Wind
23 km/h
UV index
3
Air (AQI)
36 · Good
Precipitation
100%
Humidity
97%
Pressure
1010 hPa
Sunrise / sunset
06:28 / 18:46
Sea temperature
🌊 +29°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrella💨 WindyFeels warmer by 3°
Weather for an activity:
Detailed weather information for Sanya
Today, 12 September, Saturday, in Sanya (China): partly cloudy, warm. During the day the air will warm up to +26°, at night around +24°. Due to high humidity it feels like +29°. Wind up to 29 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 06:28 and set at 18:46 — daylight lasts 12 hours.Hourly weather in Sanya
💧 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 Sanya 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).
▶
Today 12.9
⛈️
💧 100%
+24° +26°
Morning
⛈️
+25°
Day
⛈️
+26°
Evening
🌇
+26°
Night
🌙
+24°
▶
Tomorrow 13.9
⛈️
💧 97%
+24° +26°
Morning
🌦️
+25°
Day
⛈️
+26°
Evening
🌇
+24°
Night
🌙
+24°
▶
Mon 14.9
⛈️
💧 100%
+24° +25°
Morning
⛈️
+24°
Day
⛈️
+25°
Evening
🌇
+25°
Night
🌙
+24°
▶
Tue 15.9
⛈️
💧 86%
+23° +27°
Morning
⛈️
+24°
Day
⛈️
+27°
Evening
🌇
+26°
Night
🌙
+23°
▶
Wed 16.9
⛈️
💧 80%
+24° +27°
Morning
⛈️
+25°
Day
⛈️
+27°
Evening
🌇
+26°
Night
🌙
+24°
▶
Thu 17.9
🌦️
💧 67%
+24° +30°
Morning
🌦️
+26°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+24°
▶
Fri 18.9
🌦️
💧 78%
+25° +30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+25°
▶
Sat 19.9
🌦️
💧 76%
+24° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+24°
▶
Sun 20.9
🌦️
💧 75%
+24° +30°
Morning
🌦️
+26°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+24°
▶
Mon 21.9
🌦️
💧 56%
+26° +29°
Morning
🌦️
+27°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+26°
▶
Tue 22.9
🌦️
💧 58%
+25° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+25°
▶
Wed 23.9
🌦️
💧 56%
+25° +30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+25°
▶
Thu 24.9
🌦️
💧 47%
+25° +30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+25°
▶
Fri 25.9
🌦️
💧 41%
+25° +27°
Morning
🌦️
+26°
Day
🌦️
+27°
Evening
🌇
+27°
Night
🌙
+25°
🗺️ 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
5 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 29° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
27%
moderate · low
☂️ Rain
100%
likely · high
✨ Stars
18 / 100
evening visibility · Bad
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
36
Good air
European AQI
PM2.5: 5PM10: 6O₃: 92NO₂: 1
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:28
Sunset
18:46
Golden hour
18:17
Daylight
12 h (-1 min vs yesterday)
Sea temperature
+29°
🌊 slight, waves 1 m.
Sanya 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.
+24°
+18°
Jan
+25°
+20°
Feb
+27°
+22°
Mar
+29°
+24°
Apr
+30°
+26°
May
+30°
+27°
Jun
+30°
+26°
Jul
+30°
+26°
Aug
+29°
+25°
Sep
+28°
+24°
Oct
+27°
+22°
Nov
+25°
+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 | +24° | +18° | +24° | 12 mm | One of the best times to visit: +24° by day, fresh nights. 😊 light summer clothing. Water at +24° — great for swimming. This is the coldest month of the year. |
| February | +25° | +20° | +24° | 9 mm | Ideal weather: +25° daytime — neither hot nor cold. 😊 light summer clothing. Water at +24° — great for swimming. One of the driest months — rain is very unlikely. |
| March | +27° | +22° | +25° | 18 mm | A comfortable month: +27° by day without exhausting heat. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit. |
| April | +29° | +24° | +28° | 53 mm | Warm and comfortable: +29° by day, +24° at night. 😊 light summer clothing. Water at +28° — great for swimming. |
| May | +30° | +26° | +30° | 130 mm | Gentle warmth — about +30° daytime, great walking weather. Frequent rain (130 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| June | +30° | +27° | +31° | 204 mm | A comfortable month: +30° by day without exhausting heat. One of the wettest months (204 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath. This is the hottest month of the year in Sanya. |
| July | +30° | +26° | +30° | 271 mm | Warm and comfortable: +30° by day, +26° at night. It's a rainy month (271 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. Statistically the wettest month of the year. |
| August | +30° | +26° | +30° | 248 mm | Gentle warmth — about +30° daytime, great walking weather. Frequent rain (248 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| September | +29° | +25° | +30° | 253 mm | A comfortable month: +29° by day without exhausting heat. One of the wettest months (253 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| October | +28° | +24° | +29° | 178 mm | Warm and comfortable: +28° by day, +24° at night. It's a rainy month (178 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. |
| November | +27° | +22° | +27° | 51 mm | Gentle warmth — about +27° daytime, great walking weather. 😊 light summer clothing. Water at +27° — great for swimming. |
| December | +25° | +19° | +25° | 27 mm | The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Water at +25° — great for swimming. The shortest daylight of the year — it gets dark early. |
When to visit Sanya
✅ Recommended time to visit
🌟 Best time: January, February, March
Daytime air+24…+27°
Sea temperature+24…+25°
Precipitationrare
Why: comfortable +24…+27° by day, little rain, warm sea (+24…25°).
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, June, October, November, December
Daytime air+25…+30°
Sea temperature+25…+31°
Precipitationoften
Why: noticeable rain risk (27–204 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: July, August, September
Daytime air+29…+30°
Sea temperature+30…+30°
Precipitationoften
Why: the rainy season (248–271 mm/month) — downpours almost daily.
Bottom line: the best time to visit Sanya is January – March, and the most comfortable months are January, February, March. The toughest months to visit are July, August, September: frequent rain.
🌡️ Today vs the climate normal
Today's high
+26°
Normal for September
+29°
Deviation
3° colder than normal
A year ago on this day
+31°
Record for this date
+31° (2005)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Sanya
📅 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 Sanya
Frequently asked questions about the weather in Sanya
What is the weather in Sanya right now?＋
Drizzle, +26°, feels like +29°.
Will it rain in Sanya today?＋
Yes: 100% chance, 65 mm.
When is the best time to visit Sanya?＋
Best time to visit — January – March.
Can you swim in Sanya in winter?＋
In winter the water is around +24° — great for swimming. In summer the sea warms up to +30°.
What time are sunrise and sunset in Sanya?＋
Sunrise 06:28, sunset 18:46.
Does it snow in Sanya in winter?＋
No, it practically never snows.
What is the climate in Sanya by month?＋
Summers up to +30° in June, winters around +18° in January; the wettest month is July.
How hot is it in Sanya in summer?＋
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.