Weather in Sapporo — today
Now in Sapporo
🌦️
+23°
Drizzle
Feels like +24° · humidity 75%
Today 12.9: +25° / +11°
🕐 16:25
Wind
9 km/h
UV index
2
Air (AQI)
34 · Good
Precipitation
100%
Humidity
75%
Pressure
1022 hPa
Sunrise / sunset
05:10 / 17:50
Sea temperature
🌊 +22°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrella
Weather for an activity:
Detailed weather information for Sapporo
Today, 12 September, Saturday, in Sapporo (Japan): cloudy, light rain in places, warm. During the day the air will warm up to +25°, at night around +11°. Wind up to 9 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 +22° — great for swimming. The sun will rise at 05:10 and set at 17:50 — daylight lasts 13 hours.Hourly weather in Sapporo
💧 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 Sapporo 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%
+11° +25°
Morning
🌦️
+16°
Day
🌦️
+25°
Evening
🌇
+22°
Night
🌙
+11°
▶
Tomorrow 13.9
☁️
💧 3%
+13° +25°
Morning
☁️
+19°
Day
☁️
+25°
Evening
🌇
+19°
Night
🌙
+13°
▶
Mon 14.9
🌦️
💧 38%
+17° +23°
Morning
🌦️
+19°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+17°
▶
Tue 15.9
☁️
💧 20%
+12° +21°
Morning
☁️
+15°
Day
☁️
+21°
Evening
🌇
+19°
Night
🌙
+12°
▶
Wed 16.9
☁️
💧 6%
+9° +23°
Morning
☁️
+14°
Day
☁️
+23°
Evening
🌇
+20°
Night
🌙
+9°
▶
Thu 17.9
☁️
💧 12%
+9° +24°
Morning
☁️
+15°
Day
☁️
+24°
Evening
🌇
+20°
Night
🌙
+9°
▶
Fri 18.9
☁️
💧 5%
+13° +23°
Morning
☁️
+17°
Day
☁️
+23°
Evening
🌇
+21°
Night
🌙
+13°
▶
Sat 19.9
🌦️
💧 54%
+14° +18°
Morning
🌦️
+15°
Day
🌦️
+18°
Evening
🌇
+17°
Night
🌙
+14°
▶
Sun 20.9
🌦️
💧 59%
+16° +22°
Morning
🌦️
+18°
Day
🌦️
+22°
Evening
🌇
+21°
Night
🌙
+16°
▶
Mon 21.9
☁️
💧 27%
+15° +22°
Morning
☁️
+18°
Day
☁️
+22°
Evening
🌇
+20°
Night
🌙
+15°
▶
Tue 22.9
🌦️
💧 33%
+16° +20°
Morning
🌦️
+17°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+16°
▶
Wed 23.9
🌦️
💧 31%
+17° +19°
Morning
🌦️
+18°
Day
🌦️
+19°
Evening
🌇
+19°
Night
🌙
+17°
▶
Thu 24.9
🌦️
💧 43%
+15° +20°
Morning
🌦️
+17°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+15°
▶
Fri 25.9
☁️
💧 30%
+9° +18°
Morning
☁️
+12°
Day
☁️
+18°
Evening
🌇
+16°
Night
🌙
+9°
🗺️ 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
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 22° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
18%
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
34
Good air
European AQI
PM2.5: 10PM10: 16O₃: 87NO₂: 3
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:10
Sunset
17:50
Golden hour
17:13
Daylight
13 h (-3 min vs yesterday)
Sea temperature
+22°
Sapporo 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.
-3°
-9°
Jan
-2°
-9°
Feb
+2°
-6°
Mar
+9°
+0°
Apr
+16°
+6°
May
+20°
+12°
Jun
+23°
+16°
Jul
+24°
+18°
Aug
+21°
+14°
Sep
+15°
+7°
Oct
+7°
+1°
Nov
+0°
-6°
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 | -3° | -9° | +4° | 53 mm | Proper winter: -3° daytime, frost and short days. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+4°) — swimming is for the brave. This is the coldest month of the year. |
| February | -2° | -9° | +4° | 49 mm | The coldest stretch: -2° by day, full winter clothing required. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+4°) — swimming is for the brave. |
| March | +2° | -6° | +5° | 63 mm | Freezing: +2° by day, -6° at night — full winter gear, ice underfoot is common. It's a rainy month (63 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+5°) — swimming is for the brave. |
| April | +9° | +0° | +8° | 72 mm | Winter weather: about +9° daytime, you need a warm coat and hat. Frequent rain (72 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+8°) — swimming is for the brave. |
| May | +16° | +6° | +12° | 93 mm | Cool weather: +16° by day, noticeably colder in the evening. One of the wettest months (93 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave. Weather-wise, one of the three best months to visit. |
| June | +20° | +12° | +17° | 88 mm | One of the best times to visit: +20° by day, fresh nights. It's a rainy month (88 mm) — an umbrella is a must. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave. The longest daylight hours of the year — more time for everything. |
| July | +23° | +16° | +22° | 134 mm | Ideal weather: +23° daytime — neither hot nor cold. Frequent rain (134 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +22° — great for swimming. Weather-wise, one of the three best months to visit. |
| August | +24° | +18° | +25° | 189 mm | The most pleasant season: +24° by day, comfortable all day long. One of the wettest months (189 mm): downpours can derail plans. 😊 light summer clothing. Water at +25° — great for swimming. This is the hottest month of the year in Sapporo. |
| September | +21° | +14° | +23° | 154 mm | One of the best times to visit: +21° by day, fresh nights. It's a rainy month (154 mm) — an umbrella is a must. 🙂 a sweater for the evening. Water at +23° — great for swimming. |
| October | +15° | +7° | +19° | 101 mm | A fresh month — +15° daytime, take a jacket for walks. Frequent rain (101 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Sea at +19° — swimmable, refreshing. |
| November | +7° | +1° | +12° | 89 mm | A cold month: +7° by day, long walks get uncomfortable. One of the wettest months (89 mm): downpours can derail plans. 🧣 a warmer jacket. The water is cold (+12°) — swimming is for the brave. |
| December | +0° | -6° | +7° | 76 mm | Freezing: +0° by day, -6° at night — full winter gear, ice underfoot is common. It's a rainy month (76 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+7°) — swimming is for the brave. The shortest daylight of the year — it gets dark early. |
When to visit Sapporo
✅ Recommended time to visit
🌟 Best time: May, June, July
Daytime air+16…+23°
Sea temperature+12…+22°
Precipitationoften
Why: comfortable +16…+23° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, August, September, October
Daytime air-3…+24°
Sea temperature+4…+25°
Precipitationoften
Why: noticeable rain risk (49–189 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: April, November, December
Daytime air+0…+9°
Sea temperature+7…+12°
Precipitationoften
Why: cold and dark (+0…+9° by day, 9 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Sapporo is May – July, and the most comfortable months are May, June, July. The toughest months to visit are April, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+25°
Normal for September
+21°
Deviation
4° warmer than normal
A year ago on this day
+26°
Record for this date
+26° (2025)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Sapporo
📅 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 Sapporo
Frequently asked questions about the weather in Sapporo
What is the weather in Sapporo right now?＋
Drizzle, +23°, feels like +24°.
Will it rain in Sapporo today?＋
Yes: 100% chance, 1 mm.
When is the best time to visit Sapporo?＋
Best time to visit — May – July.
Can you swim in Sapporo in summer?＋
In winter the water is around +5° — swimming is for the brave. In summer the sea warms up to +21°.
What time are sunrise and sunset in Sapporo?＋
Sunrise 05:10, sunset 17:50.
Does it snow in Sapporo in winter?＋
Yes, snow is possible in January, February, March, April, December.
What is the climate in Sapporo by month?＋
Summers up to +24° in August, winters around -9° in January; the wettest month is August.
Is it cold in Sapporo in winter?＋
❄️ Cold, around zero and below. A warm jacket and a hat are a must; ice is common — you'll need non-slip shoes.