Weather in Yokohama — today
Now in Yokohama
⛅
+25°
Partly cloudy
Feels like +28° · humidity 76%
Today 12.9: +25° / +20°
🕐 15:25
Wind
7 km/h
UV index
1
Air (AQI)
40 · Good
Precipitation
97%
Humidity
76%
Pressure
1021 hPa
Sunrise / sunset
05:21 / 17:53
Sea temperature
🌊 +25°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrellaFeels warmer by 3°
Weather for an activity:
Detailed weather information for Yokohama
Today, 12 September, Saturday, in Yokohama (Japan): cloudy, light rain in places, warm. During the day the air will warm up to +25°, at night around +20°. Due to high humidity it feels like +28°. 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 +25° — great for swimming. The sun will rise at 05:21 and set at 17:53 — daylight lasts 13 hours.Hourly weather in Yokohama
💧 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 Yokohama 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
🌦️
💧 97%
+20° +25°
Morning
🌦️
+22°
Day
🌦️
+25°
Evening
🌇
+24°
Night
🌙
+20°
▶
Tomorrow 13.9
🌦️
💧 8%
+22° +26°
Morning
⛅
+23°
Day
🌦️
+26°
Evening
🌇
+25°
Night
🌙
+22°
▶
Mon 14.9
🌤️
💧 5%
+25° +32°
Morning
🌤️
+28°
Day
🌤️
+32°
Evening
🌇
+30°
Night
🌙
+25°
▶
Tue 15.9
🌦️
💧 82%
+23° +28°
Morning
🌦️
+25°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+23°
▶
Wed 16.9
🌦️
💧 76%
+22° +26°
Morning
🌦️
+23°
Day
🌦️
+26°
Evening
🌇
+25°
Night
🌙
+22°
▶
Thu 17.9
☁️
💧 67%
+20° +24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
▶
Fri 18.9
🌦️
💧 43%
+19° +23°
Morning
🌦️
+20°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+19°
▶
Sat 19.9
🌦️
💧 51%
+21° +28°
Morning
🌦️
+24°
Day
🌦️
+28°
Evening
🌇
+26°
Night
🌙
+21°
▶
Sun 20.9
☁️
💧 51%
+23° +28°
Morning
☁️
+25°
Day
☁️
+28°
Evening
🌇
+27°
Night
🌙
+23°
▶
Mon 21.9
⛅
💧 58%
+24° +28°
Morning
⛅
+25°
Day
⛅
+28°
Evening
🌇
+27°
Night
🌙
+24°
▶
Tue 22.9
🌦️
💧 48%
+24° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+24°
▶
Wed 23.9
🌦️
💧 55%
+21° +23°
Morning
🌦️
+22°
Day
🌦️
+23°
Evening
🌇
+23°
Night
🌙
+21°
▶
Thu 24.9
🌦️
💧 47%
+19° +21°
Morning
🌦️
+20°
Day
🌦️
+21°
Evening
🌇
+21°
Night
🌙
+19°
▶
Fri 25.9
🌦️
💧 38%
+19° +24°
Morning
🌦️
+21°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+19°
🗺️ 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
2 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 25° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
9%
moderate · low
☂️ Rain
97%
likely · high
✨ Stars
20 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
40
Good air
European AQI
PM2.5: 15PM10: 16O₃: 85NO₂: 25
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:21
Sunset
17:53
Golden hour
17:19
Daylight
13 h (-2 min vs yesterday)
Sea temperature
+25°
🌊 calm, waves 0.4 m.
Yokohama 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.
+9°
+2°
Jan
+9°
+2°
Feb
+12°
+5°
Mar
+16°
+10°
Apr
+20°
+15°
May
+23°
+19°
Jun
+26°
+22°
Jul
+28°
+24°
Aug
+25°
+21°
Sep
+20°
+16°
Oct
+16°
+10°
Nov
+11°
+5°
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 | +9° | +2° | +12° | 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 (+12°) — swimming is for the brave. This is the coldest month of the year. |
| February | +9° | +2° | +11° | 71 mm | A cold month: +9° by day, long walks get uncomfortable. One of the wettest months (71 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave. |
| March | +12° | +5° | +13° | 129 mm | Cool: around +12° by day, you'll need a warm layer. It's a rainy month (129 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+13°) — swimming is for the brave. |
| April | +16° | +10° | +15° | 117 mm | A fresh month — +16° daytime, take a jacket for walks. Frequent rain (117 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave. |
| May | +20° | +15° | +19° | 129 mm | The most pleasant season: +20° by day, comfortable all day long. One of the wettest months (129 mm): downpours can derail plans. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. Weather-wise, one of the three best months to visit. |
| June | +23° | +19° | +22° | 173 mm | One of the best times to visit: +23° by day, fresh nights. It's a rainy month (173 mm) — an umbrella is a must. 🙂 a sweater for the evening. Water at +22° — great for swimming. The longest daylight hours of the year — more time for everything. |
| July | +26° | +22° | +26° | 146 mm | Gentle warmth — about +26° daytime, great walking weather. Frequent rain (146 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming. Weather-wise, one of the three best months to visit. |
| August | +28° | +24° | +28° | 103 mm | A comfortable month: +28° by day without exhausting heat. One of the wettest months (103 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming. This is the hottest month of the year in Yokohama. |
| September | +25° | +21° | +27° | 181 mm | One of the best times to visit: +25° by day, fresh nights. It's a rainy month (181 mm) — an umbrella is a must. 😊 light summer clothing. Water at +27° — great for swimming. |
| October | +20° | +16° | +23° | 213 mm | Ideal weather: +20° daytime — neither hot nor cold. Frequent rain (213 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +23° — great for swimming. Statistically the wettest month of the year. |
| November | +16° | +10° | +19° | 96 mm | Cool weather: +16° by day, noticeably colder in the evening. One of the wettest months (96 mm): downpours can derail plans. 🧥 a warm jacket. Sea at +19° — swimmable, refreshing. |
| December | +11° | +5° | +16° | 64 mm | Cool: around +11° by day, you'll need a warm layer. It's a rainy month (64 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+16°) — swimming is for the brave. The shortest daylight of the year — it gets dark early. |
When to visit Yokohama
✅ Recommended time to visit
🌟 Best time: May, July, August
Daytime air+20…+28°
Sea temperature+19…+28°
Precipitationoften
Why: comfortable +20…+28° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, April, June, September, November, December
Daytime air+9…+25°
Sea temperature+12…+27°
Precipitationoften
Why: noticeable rain risk (64–181 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: February, March, October
Daytime air+9…+20°
Sea temperature+11…+23°
Precipitationoften
Why: cold and dark (+9…+20° by day, 11 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Yokohama is May, July, August, and the most comfortable months are May, July, August. The toughest months to visit are February, March, October: frequent rain.
🌡️ Today vs the climate normal
Today's high
+25°
Normal for September
+25°
Deviation
0° within normal
A year ago on this day
+28°
Record for this date
+31° (2024)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Yokohama
📅 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 →
Show the archive for the selected day →
Weather in cities near Yokohama
Frequently asked questions about the weather in Yokohama
What is the weather in Yokohama right now?＋
Partly cloudy, +25°, feels like +28°.
Will it rain in Yokohama today?＋
Yes: 97% chance, 4 mm.
When is the best time to visit Yokohama?＋
Best time to visit — May, July, August.
Can you swim in Yokohama in summer?＋
In winter the water is around +13° — swimming is for the brave. In summer the sea warms up to +25°.
What time are sunrise and sunset in Yokohama?＋
Sunrise 05:21, sunset 17:53.
Does it snow in Yokohama in winter?＋
No, it practically never snows.
What is the climate in Yokohama by month?＋
Summers up to +28° in August, winters around +2° in January; the wettest month is October.
Is it cold in Yokohama in winter?＋
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.