Yokohama weather in April
Averages for 1991–2020 at the JMA's Yokohama station (39 m above sea level).
- High
- 18.9°C (66°F)
- Low
- 10.7°C (51°F)
- Precipitation
- 143.1 mm
- Wet days
- 9.5 days
- Sunshine
- 181 hours
- Highs rise 4.9°C from March and climb another 4.2°C into May.
- That is 1.3°C below Yokohama's yearly average high of 20.2°C.
- Of our 34 places with temperature records, Yokohama is the 17th warmest in April: 0.2°C cooler than Hachioji and level with Kobe.
- April is Yokohama's 6th wettest month (143.1 mm).
- Of our 35 places, Yokohama has the 11th highest precipitation in April: 0.8 mm less than Kanazawa and 2.1 mm more than Hiroshima.
- Rain of 1 mm or more falls on 9.5 days, and 10 mm or more on 4.4 days.
- Rain of 30 mm or more in one day falls on 1.4 days, and 50 mm or more on 0.6 days.
- The sun is out for 40% or more of the possible hours on 17.5 days, and 5.0 days have under 0.1 hours of sunshine.
- On 15 April 2027 the sun rises at 5:10 and sets at 18:14 in Yokohama, giving 13 hours 4 minutes of daylight (NAOJ).
- Average temperature
- 14.5°C (58°F)
- Humidity
- 65%
- Days of 25°C or more
- 1.3 days
Early, mid and late April
| Days | High | Low | Precipitation |
|---|---|---|---|
| 1–10 April | 17.4°C | 9.0°C | 49.0 mm |
| 11–20 April | 18.9°C | 10.8°C | 52.1 mm |
| 21–30 April | 20.4°C | 12.5°C | 42.1 mm |
By the last ten days of April the average high in Yokohama is 3.0°C higher than in the first ten.
By ten-day totals, 11–20 April is the wettest (52.1 mm) and 21–30 April the driest (42.1 mm).
What to wear in Yokohama in April
- Long sleeves with a light jacket or sweater.
- A folding umbrella: rain falls on 9.5 days.
Pack
- Folding umbrella
Flowers and autumn colour in Yokohama in April
Cherry blossom
The JMA's sample cherry tree in Yokohama opens around 25 March and is in full bloom around 1 April in an average year (1991–2020). In 2026 it opened on 22 March and was in full bloom on 1 April.
Dates are for one sample tree at or near the JMA observatory, not for every park in the city.
Holidays and crowds in April
National holidays in April 2027:
- Thu 29 April — Showa Day
In April 2025, hotels and inns across Kanagawa Prefecture were 71.2% full on average (2nd busiest of 12 months). Foreign guests spent 527,710 nights there that month (Japan Tourism Agency). That compares with 67.3% in March and 63.9% in May.
Frequently asked questions
What is the weather like in Yokohama in April?
The average high is 18.9°C (66°F) and the average low 10.7°C (51°F). 143.1 mm of rain falls on about 9.5 days (JMA, 1991–2020).
What should I wear in Yokohama in April?
Long sleeves with a light jacket or sweater. A folding umbrella: rain falls on 9.5 days.
Is Yokohama busy in April?
In April 2025, hotels and inns across Kanagawa Prefecture were 71.2% full on average (2nd busiest of 12 months). Foreign guests spent 527,710 nights there that month (Japan Tourism Agency).
What are the record temperatures for April in Yokohama?
The highest temperature the JMA has recorded in Yokohama in April is 28.7°C (84°F), on 29 April 1915. The lowest is −0.5°C (31°F), on 12 April 1902.
What events are on in Yokohama in April?
Cherry Blossom Illumination at Sankeien: Late March to early April. Primrose (Sakurasou) Exhibition at Sankeien: Mid April (11 to 15 April in 2026). Ookagawa Sakura Matsuri (Cherry Blossom Festival): Early April. Noge Street Performance (Noge Daidogei): Mid-April.
When do the cherry blossoms open in Yokohama?
The JMA's sample cherry tree in Yokohama opens around 25 March and is in full bloom around 1 April in an average year (1991–2020). In 2026 it opened on 22 March and was in full bloom on 1 April.
April records in Yokohama
The extremes the JMA has measured in April at its Yokohama station.
- Hottest April day
- 28.7°C (84°F) on 29 April 1915 (records since 1897)
- Coldest April night
- −0.5°C (31°F) on 12 April 1902 (records since 1897)
- Wettest April day
- 142.5 mm on 8 April 1989 (records since 1897)
- Deepest April snow
- 7 cm on 8 April 1988 (records since 1897)
- Most snow in one April day
- 5 cm on 8 April 1988 (records since 1953)
What's on in Yokohama in April
| Event | When | Where and what |
|---|---|---|
| Cherry Blossom Illumination at Sankeien三溪園 桜ライトアップ | Late March to early April. 27 March – 5 April 2026. | Outer Garden, Sankeien. The garden is lit from about 18:00 to 21:00 (last entry 20:30). After 17:00 the Inner Garden and the mountain path to the three-storied pagoda are closed. Garden admission only. Official page |
| Primrose (Sakurasou) Exhibition at Sankeien三溪園 さくらそう展 | Mid April (11 to 15 April in 2026) | Sankeien Garden. Primrose (sakurasou) exhibition held at Sankeien Garden. Official page |
| Ookagawa Sakura Matsuri (Cherry Blossom Festival)大岡川桜まつり | Early April | Around the Ookagawa river. Areas around the river are lit up with lanterns and food stands open along the river. More events take place on weekends. Official page |
| Noge Street Performance (Noge Daidogei)野毛大道芸 | Mid-April | Noge Shopping Avenue, in the Noge district near Sakuragicho Station. Street performances such as juggling, magic, pantomime and acrobatics are held on the streets of the Noge district. The page describes it as an annual festival. Official page |
Yokohama before and after April
Other places in April
| Place | High | Against Yokohama | Wet days | Against Yokohama |
|---|---|---|---|---|
| Tokyo Disney ResortEdogawa-Rinkai | 18.0°C | −0.9°C | 9.7 days | +0.2 days |
| Tokyo | 19.4°C | +0.5°C | 9.5 days | same |
| Mount TakaoHachioji | 19.1°C | +0.2°C | 9.2 days | −0.3 days |
| Mount FujiKawaguchiko | 16.1°C | −2.8°C | 8.5 days | −1.0 days |
| Karuizawa | 14.3°C | −4.6°C | 8.9 days | −0.6 days |
Sources for this page
Show all 13
- Normals for 1991–2020: Yokohama (横浜), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
- Normals for 1991–2020: Yokohama (横浜), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
- Ten-day normals for 1991–2020: Yokohama (横浜) (平年値 旬ごとの値)Japan Meteorological Agency (JMA)
- Records for April: Yokohama (横浜) (観測史上1〜10位の値)Japan Meteorological Agency (JMA)
- Sunrise and sunset by prefectural capital (各地のこよみ)National Astronomical Observatory of Japan (NAOJ)
- Cherry blossom opening dates, 2021–2026 (さくらの開花日)Japan Meteorological Agency (JMA)
- Cherry blossom full-bloom dates, 2021–2026 (さくらの満開日)Japan Meteorological Agency (JMA)
- Yearly records of flowering and leaf colour since 1953 (生物季節観測累年値)Japan Meteorological Agency (JMA)
- National holidays (国民の祝日について)Cabinet Office
- Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)Japan Tourism Agency
- Cherry Blossom Illumination at Sankeien (三溪園 桜ライトアップ)Sankeien Hosho-kai
- Primrose (Sakurasou) Exhibition at Sankeien (三溪園 さくらそう展)Sankeien Hosho-kai
- Ookagawa Sakura Matsuri (Cherry Blossom Festival) (大岡川桜まつり)Yokohama Convention & Visitors Bureau (Yokohama Official Visitors Guide)