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Daytime skyline of Minato Mirai skyscrapers in Yokohama seen across the harbor

Photo: Skyline of Minato Mirai 21, Yokohama, 20150201.jpg by 掬茶 (CC BY-SA 4.0, cropped), via Wikimedia Commons.

Yokohama weather by month: temperature, rain and what to wear

Yokohama's average high runs from 10.2°C (50°F) in January to 31.0°C (88°F) in August (JMA, 1991–2020). The wettest month is September (241.5 mm) and the driest is January (64.7 mm).

When to go to Yokohama, by the numbers

  • Months with average highs between 15°C and 25°C and fewer than 10 wet days: April, May and November.
  • Fewest wet days: January (5.1 days).
  • Quietest hotels in 2025 (Kanagawa Prefecture): January (57.7%), June (60.2%) and September (61.7%).
  • Busiest hotels in 2025 (Kanagawa Prefecture): November (72.1%), April (71.2%) and October (70.8%).
  • Plum blossom: around 1 February on average.
  • Cherry blossom: around 25 March on average.
  • Hydrangea: around 12 June on average.
  • Autumn leaves (maple): around 14 December on average.
  • Ginkgo turns yellow: around 30 November on average.

What to wear in Yokohama, month by month

Yokohama: our clothing level for each month (from the JMA's averages)
MonthLevelAverage highWet days
JanuaryChilly10.2°C5.1 days
FebruaryChilly10.8°C5.4 days
MarchChilly14.0°C10.0 days
AprilCool18.9°C9.5 days
MayMild23.1°C9.8 days
JuneWarm25.5°C11.9 days
JulyWarm29.4°C10.3 days
AugustHot31.0°C7.5 days
SeptemberWarm27.3°C11.5 days
OctoberMild22.0°C10.7 days
NovemberCool17.1°C7.7 days
DecemberChilly12.5°C5.5 days

How busy Yokohama is, month by month

How full hotels across Kanagawa Prefecture were, month by month in 2025 (%)

Average room occupancy for all hotels and inns (Japan Tourism Agency).

  1. Jan57.7%
  2. Feb64.3%
  3. Mar67.3%
  4. Apr71.2%
  5. May63.9%
  6. Jun60.2%
  7. Jul64.3%
  8. Aug69.6%
  9. Sep61.7%
  10. Oct70.8%
  11. Nov72.1%
  12. Dec68.1%

Frequently asked questions

When is the best time to visit Yokohama?

Months with average highs between 15°C and 25°C and fewer than 10 wet days: April, May and November. Fewest wet days: January (5.1 days).

What is the hottest month in Yokohama?

August has the highest average high, 31.0°C (88°F). January has the lowest, 10.2°C (50°F) (JMA, 1991–2020).

What is the rainiest month in Yokohama?

September has the most precipitation (241.5 mm), and June has the most wet days (11.9 days) (JMA, 1991–2020).

Yokohama weather month by month

Averages for 1991–2020 at the JMA's Yokohama station (39 m above sea level). Months with their own page are linked; the others follow.

Yokohama by month: averages for 1991–2020 (JMA)
MonthHighLowPrecipitationWet daysSunshine
January10.2°C2.7°C64.7 mm5.1 days193 hours
February10.8°C3.1°C64.7 mm5.4 days167 hours
March14.0°C6.0°C139.5 mm10.0 days169 hours
April18.9°C10.7°C143.1 mm9.5 days181 hours
May23.1°C15.5°C152.6 mm9.8 days187 hours
June25.5°C19.1°C188.8 mm11.9 days136 hours
July29.4°C22.9°C182.5 mm10.3 days171 hours
August31.0°C24.3°C139.0 mm7.5 days206 hours
September27.3°C21.0°C241.5 mm11.5 days141 hours
October22.0°C15.7°C240.4 mm10.7 days137 hours
November17.1°C10.1°C107.6 mm7.7 days151 hours
December12.5°C5.2°C66.4 mm5.5 days178 hours
Average high in Yokohama, month by month (°C)
  1. Jan10.2°C
  2. Feb10.8°C
  3. Mar14.0°C
  4. Apr18.9°C
  5. May23.1°C
  6. Jun25.5°C
  7. Jul29.4°C
  8. Aug31.0°C
  9. Sep27.3°C
  10. Oct22.0°C
  11. Nov17.1°C
  12. Dec12.5°C

Events in Yokohama through the year

Events in Yokohama: dates from each organizer's official page
EventMonthWhen
New Year at Sankeien三溪園で過ごすお正月Jan1 to 3 January Official page
Yokohama Aozora Relay Marathon at Red Brick (20th)横浜あおぞらリレーマラソンin赤レンガJanLate January (24 January in 2027) Official page
Bonsai Exhibition at Sankeien三溪園 盆栽展JanMid to late January (11 to 25 January in 2026) Official page
Yokohama Chinatown Spring Festival (Shunsetsu)横濵中華街 春節Feb and MarEarly February to early March. 1 February – 8 March 2026. Official page
Plum Viewing Event at Sankeien三溪園 観梅会Feb and MarEarly February to early March. 7 February – 3 March 2026. Official page
Okurayama Plum Blossoms Viewing大倉山梅林の観梅FebThe second or third Saturday of February Official page
Cherry Blossom Illumination at Sankeien三溪園 桜ライトアップMar and AprLate March to early April. 27 March – 5 April 2026. Official page
Primrose (Sakurasou) Exhibition at Sankeien三溪園 さくらそう展AprMid April (11 to 15 April in 2026) Official page
Ookagawa Sakura Matsuri (Cherry Blossom Festival)大岡川桜まつりAprEarly April Official page
Noge Street Performance (Noge Daidogei)野毛大道芸AprMid-April Official page
Chrysanthemum Exhibition at Sankeien三溪園 菊花展Oct and NovLate October to late November Official page
Christmas Market in Yokohama Red Brick Warehouseクリスマスマーケットin横浜赤レンガ倉庫Nov and DecLate November to 25 December. 20 November – 25 December 2026. Official page
Hamburger Fes 2026 at Yokohama Red Brick Warehouseハンバーガーフェス2026　横浜赤レンガ倉庫NovMid-November (14 and 15 November in 2026) Official page
LOCALGREEN FESTIVAL'26LOCALGREEN FESTIVAL’26NovEarly November (7 and 8 November in 2026) Official page
Autumn Leaves Promenade Open at Sankeien三溪園 紅葉の遊歩道開放Nov and Dec20 November to 13 December 2026 Official page
Yorunoyo Yokohama Illumination 2026ヨルノヨ2026DecDecember 4 to 30, 2026, 17:00 to 21:05 Official page

Related items

Yokohama in JanuaryChillyA warm jacket or light coat over a sweater.High10.2°CLow2.7°CPrecipitation64.7 mmWet days5.1 daysYokohama in FebruaryChillyA warm jacket or light coat over a sweater.High10.8°CLow3.1°CPrecipitation64.7 mmWet days5.4 daysYokohama in MarchChillyA warm jacket or light coat over a sweater.High14.0°CLow6.0°CPrecipitation139.5 mmWet days10.0 daysYokohama in AprilCoolLong sleeves with a light jacket or sweater.High18.9°CLow10.7°CPrecipitation143.1 mmWet days9.5 days

Back to Japan by month

Read more

Sources for this page

Show all 18
  1. Normals for 1991–2020: Yokohama (横浜), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
  2. Normals for 1991–2020: Yokohama (横浜), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
  3. 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
  4. Biological season observations (生物季節観測の情報)Japan Meteorological Agency (JMA)
  5. Yearly records of flowering and leaf colour since 1953 (生物季節観測累年値)Japan Meteorological Agency (JMA)
  6. New Year at Sankeien (三溪園で過ごすお正月)Sankeien Hosho-kai
  7. Yokohama Aozora Relay Marathon at Red Brick (20th) (横浜あおぞらリレーマラソンin赤レンガ)Yokohama Red Brick Warehouse
  8. Bonsai Exhibition at Sankeien (三溪園 盆栽展)Sankeien Hosho-kai
  9. Yokohama Chinatown Spring Festival (Shunsetsu) (横濵中華街 春節)Yokohama Chinatown Development Association
  10. Plum Viewing Event at Sankeien (三溪園 観梅会)Sankeien Hosho-kai
  11. Okurayama Plum Blossoms Viewing (大倉山梅林の観梅)Yokohama Convention & Visitors Bureau (Yokohama Official Visitors Guide)
  12. Cherry Blossom Illumination at Sankeien (三溪園 桜ライトアップ)Sankeien Hosho-kai
  13. Ookagawa Sakura Matsuri (Cherry Blossom Festival) (大岡川桜まつり)Yokohama Convention & Visitors Bureau (Yokohama Official Visitors Guide)
  14. Chrysanthemum Exhibition at Sankeien (三溪園 菊花展)Sankeien Hosho-kai
  15. Christmas Market in Yokohama Red Brick Warehouse (クリスマスマーケットin横浜赤レンガ倉庫)Yokohama Akarenga Co., Ltd.
  16. Hamburger Fes 2026 at Yokohama Red Brick Warehouse (ハンバーガーフェス2026　横浜赤レンガ倉庫)Yokohama Red Brick Warehouse
  17. LOCALGREEN FESTIVAL'26 (LOCALGREEN FESTIVAL’26)Yokohama Red Brick Warehouse
  18. Yorunoyo Yokohama Illumination 2026 (ヨルノヨ2026)Yorunoyo Executive Committee (THE YOKOHAMA ILLUMINATION)