When to go to Hakodate, by the numbers
- Months with average highs between 15°C and 25°C and fewer than 10 wet days: May, June and July.
- Fewest wet days: June (7.3 days).
- Quietest hotels in 2025 (Hokkaido): April (46.3%), November (54.2%) and May (55.1%).
- Busiest hotels in 2025 (Hokkaido): July (69.8%), August (69.5%) and February (68.0%).
- Plum blossom: around 26 April on average.
- Cherry blossom: around 28 April on average.
- Hydrangea: around 17 July on average.
- Autumn leaves (maple): around 2 November on average.
- Ginkgo turns yellow: around 2 November on average.
What to wear in Hakodate, month by month
| Month | Level | Average high | Wet days |
|---|---|---|---|
| January | Freezing | 0.9°C | 15.0 days |
| February | Freezing | 1.8°C | 12.7 days |
| March | Cold | 5.8°C | 12.4 days |
| April | Chilly | 12.0°C | 9.5 days |
| May | Cool | 17.0°C | 9.5 days |
| June | Mild | 20.4°C | 7.3 days |
| July | Mild | 24.1°C | 8.8 days |
| August | Warm | 25.9°C | 9.1 days |
| September | Mild | 23.2°C | 10.2 days |
| October | Cool | 17.1°C | 11.3 days |
| November | Chilly | 10.0°C | 13.6 days |
| December | Freezing | 3.2°C | 15.8 days |
How busy Hakodate is, month by month
- Jan62.1%
- Feb68.0%
- Mar55.2%
- Apr46.3%
- May55.1%
- Jun64.7%
- Jul69.8%
- Aug69.5%
- Sep67.4%
- Oct63.2%
- Nov54.2%
- Dec59.5%
Frequently asked questions
When is the best time to visit Hakodate?
Months with average highs between 15°C and 25°C and fewer than 10 wet days: May, June and July. Fewest wet days: June (7.3 days).
What is the hottest month in Hakodate?
August has the highest average high, 25.9°C (79°F). January has the lowest, 0.9°C (34°F) (JMA, 1991–2020).
What is the rainiest month in Hakodate?
August has the most precipitation (156.5 mm), and December has the most wet days (15.8 days) (JMA, 1991–2020).
Hakodate weather month by month
Averages for 1991–2020 at the JMA's Hakodate station (35 m above sea level). Months with their own page are linked; the others follow.
| Month | High | Low | Precipitation | Wet days | Sunshine |
|---|---|---|---|---|---|
| January | 0.9°C | −6.0°C | 77.4 mm | 15.0 days | 103 hours |
| February | 1.8°C | −5.7°C | 64.5 mm | 12.7 days | 118 hours |
| March | 5.8°C | −2.2°C | 64.1 mm | 12.4 days | 159 hours |
| April | 12.0°C | 2.8°C | 71.9 mm | 9.5 days | 186 hours |
| May | 17.0°C | 8.0°C | 88.9 mm | 9.5 days | 198 hours |
| June | 20.4°C | 12.6°C | 79.8 mm | 7.3 days | 173 hours |
| July | 24.1°C | 17.3°C | 123.6 mm | 8.8 days | 134 hours |
| August | 25.9°C | 18.9°C | 156.5 mm | 9.1 days | 148 hours |
| September | 23.2°C | 14.6°C | 150.5 mm | 10.2 days | 161 hours |
| October | 17.1°C | 7.8°C | 105.6 mm | 11.3 days | 164 hours |
| November | 10.0°C | 1.8°C | 110.8 mm | 13.6 days | 109 hours |
| December | 3.2°C | −3.6°C | 94.6 mm | 15.8 days | 92 hours |
- Jan0.9°C
- Feb1.8°C
- Mar5.8°C
- Apr12.0°C
- May17.0°C
- Jun20.4°C
- Jul24.1°C
- Aug25.9°C
- Sep23.2°C
- Oct17.1°C
- Nov10.0°C
- Dec3.2°C
Events in Hakodate through the year
| Event | Month | When |
|---|---|---|
| New Year's Day sunrise opening at Goryokaku Tower五稜郭タワー 元旦特別営業（初日の出） | Jan | 1 January, from 6:30 Official page |
| Hakodate Winter Fireworksはこだて冬花火 | Feb | Every Friday and Saturday in February, from 18:00 for about 10 minutes. 6–28 February 2026. Official page |
| Hakodate FOOD FestaはこだてFOODフェスタ | Feb | Late February, two days. 21–22 February 2026. Official page |
| Cherry Blossom Viewing at Goryokaku Park and Hakodate Park五稜郭公園・函館公園のお花見 | Apr and May | Late April to early May (2026: 21 April to 6 May) Official page |
| Giant carp streamers on Goryokaku Tower五稜郭タワー 大型こいのぼり | Apr and May | From 29 April to 5 May (Golden Week) Official page |
| Hakodate Seibu District Bar-gai函館西部地区バル街 | Apr | April Official page |
| Hakodate MOMI-G FestaはこだてMOMI-Gフェスタ | Oct and Nov | Mid-October to early November. 16 October – 8 November 2026. Official page |
| Hakodate Christmas Fantasyはこだて クリスマスファンタジー | Nov and Dec | Late November to 25 December (2025: 29 November to 25 December; 2026 dates not yet published on the page) Official page |
| Hakodate Port Illumination Film Festival函館港 イルミナシオン映画祭 | Dec | Early December, three days. 4–6 December 2026. Official page |
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Sources for this page
Show all 13
- Normals for 1991–2020: Hakodate (函館), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
- Normals for 1991–2020: Hakodate (函館), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
- 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
- Biological season observations (生物季節観測の情報)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)
- New Year's Day sunrise opening at Goryokaku Tower (五稜郭タワー 元旦特別営業（初日の出）)Goryokaku Tower Co., Ltd.
- Hakodate Winter Fireworks (はこだて冬花火)Hakodate City official tourism portal (hakobura)
- Hakodate FOOD Festa (はこだてFOODフェスタ)Hakodate City official tourism portal (hakobura)
- Cherry Blossom Viewing at Goryokaku Park and Hakodate Park (五稜郭公園・函館公園のお花見)Hakodate City official tourism portal (hakobura)
- Hakodate Seibu District Bar-gai (函館西部地区バル街)Hakodate City official tourism portal (hakobura)
- Hakodate MOMI-G Festa (はこだてMOMI-Gフェスタ)Hakodate City official tourism portal (hakobura)
- Hakodate Christmas Fantasy (はこだて クリスマスファンタジー)Hakodate City official tourism portal (hakobura)
- Hakodate Port Illumination Film Festival (函館港 イルミナシオン映画祭)Hakodate City official tourism portal (hakobura)