Hakodate Weather in August
Season: Summer In short:
1. The weather of Hakodate in August is not too hot and the highs rarely exceed 30℃ (86℉).
2. There are 18 rainy days on average. Usually, the rain is heavy at first but abates after a short time.
3. Early reservation is a wise decision in August, the high season.
Not Very Hot
Average temperature: 19 - 24℃ (66 - 75℉)August is the hottest month all over the year in Hakodate, but generally it is not too hot. The temperatures during the day are mainly 24 - 28 ℃ (75 - 82℉), and occasionally exceed 30 degrees Celsius (86 degrees Fahrenheit). At night, the temperature does not decline much, to 20 - 23℃ (68 - 73℉). In a word, you feel a bit hot at noon but at other times it is quite comfortable and cool, for which Hakodate has become a popular summer travel destination in August.
Frequent Rainfall
The average precipitation in August goes up to 156mm (6.1 in), the highest of the whole year, spreading in 18 rainy days on average. It often begins to rain heavily but eases off after a short time, and the duration of entire rain is generally not too long. Thus, the rainfall in August doesn’t significantly influence your trip, but you usually feel cooler on rainy days.
August Rainy Day
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Daylight Hours/ Sunshine Hours
Daylight Hours: 14 hours per day on average
Sunrise Time: 4:32 - 5:03
Sunset Time: 18:14 - 18:57
The early sunrise and late sunset ensure enough day time for you to explore here and there. There are more than 10 days of overcast weather averagely in this month; also owing to many rainy days, the sunshine duration is only 5 hours each day on average. The UV Index remains a high level of 8 - 10, and the sunlight is pretty intense particularly at sunny noon.
Packing List Given the Hakodate Climate in August
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Clothes: Short-sleeved T-shirts and shorts are highly recommended outfits. Preparing a lightweight shirt is very useful to prevent both intense sunlight at sunny noon and coolness in the mornings and evenings and on some rainy days.
Shoes: Given that you may walk a lot to visit many attractions, try to pack lightweight and comfortable walking shoes or sneakers. In the month with the most rainfall of the year, shoes should better be non-slip and water-resistant.
Others: Sun protection is a must-do job in August, so bring wide-brimmed sun hats, sunscreen, sun clothing, etc. You are suggested to pack a sun umbrella, which can be used to block sun and rain as well. Remember to carry a water bottle with you and drink water in time to stay hydrated.
Travel Highlights in Hakodate in August
Travel Recommendation Rate:
Hakodate Port Festival
As the largest summer celebration in the city, Hakodate Port Festival lasts from August 1 to 5. In the evening of the first day, the largest firework display along with music in Hokkaido marks the beginning of the festival, followed by lively parades on 2nd and 3rd when you can see the Japanese portable shrine, traditional “Hakodate Port Dance” and “Squid Dance”. Besides, the parade area has roughly 90 vendors providing local snacks and mini games.The best viewing sites for the firework display include the area from Wakamatsu Pier to Toyokawa Pier, and the nearby area of Kanamori Red-brick Warehouses.
If you plan to enjoy fireworks at the pier, bring spare clothes against chilly sea winds and cushions to sit on as the duration of the display is long around 1 hour.
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Splendid Firework Display
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Hakodate World Music and Dance Festival
The open-air historical plays take place at Goryokaku Park on weekends in July, which is a good way to easily understand important historical events of Hakodate.Hakodate World Music and Dance Festival is usually held in the early August at Motomachi Park, lasting for 3 days. Except for the musical and dance performances by worldwide artists, there are also food stalls where you have the chance to savor international cuisines.Travel Tips for Hakodate in August
1. Given the summer vacation and lively summer activities, August is the high travel season when the prices of hotels and airline tickets sharply increase, but if you make reservations early, you might save a lot of money.2. In the mid-August, Japanese celebrate the Obon Festival and many enjoy a week-long holiday, so everywhere is packed with people at this time. If you plan to come here in August 2026, early and late August is more recommended periods.
3. At the hottest time of the day, it’s advised to go for indoor attractions with air conditioners, like Kanemori Red Brick Warehouses, Old Public Hall of Hakodate Ward and a complex of churches in the Motomachi area, where you feel more comfortable.
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