Hakodate in August

In August, Hakodate averages 25°C (76°F) during the day and 20°C (68°F) at night, with frequent rain — about 14 days of the month see precipitation (194 mm total).

Peak season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

August offers comfortable temperatures in Hakodate, with some rain to plan around.

25°C
Avg high
20°C
Avg low
14
Rain days
194 mm
Rainfall

How August compares to the rest of the year in Hakodate

1st
warmest month of the 12
1st
wettest month of the 12
16%
of yearly rainfall falls in August
13 h 54 min
daylight on the 15th

August is one of the warmest months in Hakodate (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 12°C above the annual average (12°C). August runs 2°C warmer than July (23°C) and cools 3°C in September (22°C).

August sunrise & sunset in Hakodate

🌅
Sunrise (15th)
4:44 AM
🌇
Sunset (15th)
6:38 PM
Day length
13 h 54 min

Times shown for Hakodate local time (Asia/Tokyo), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Hakodate — August

Golden-hour and blue-hour windows for the 15th of August, in Hakodate's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
3:44 AM – 4:24 AM
🌄 Golden hour (AM)
4:24 AM – 5:24 AM
🌇 Golden hour (PM)
5:58 PM – 6:58 PM
🌆 Blue hour (PM)
6:58 PM – 7:38 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Hakodate.

📅 When to book — Hakodate in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Hakodate's popularity.

✈ Flights — lead time
3-5 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
3-5 months
Reasonable selection still available at 3-4 months out, but central locations vanish first.

August in Japan — events that affect travel

Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.

🇯🇵
Obon Holiday
Travel surge · high impact

Buddhist festival when most of Japan travels back to family hometowns. Major attractions stay open but city-to-city trains book solid, especially Tokyo → Osaka.

Plan: Reserve Shinkansen seats 1+ month ahead, expect higher hotel prices in countryside, lower in Tokyo/Osaka.

Crowds & pricing — August in Hakodate

Peak season

Hakodate is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.

Why this tier: excellent tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — August in Hakodate

☀️ UV Index (noon, 15th)
11
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Hakodate in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 0°C / 32°F -6°C / 21°F 55 mm 11
February 1°C / 33°F -6°C / 21°F 57 mm 9
March 6°C / 43°F -1°C / 31°F 83 mm 12
April 11°C / 51°F 4°C / 38°F 83 mm 11
May 16°C / 60°F 9°C / 48°F 91 mm 12
June 19°C / 66°F 13°C / 56°F 113 mm 13
July 23°C / 73°F 18°C / 65°F 110 mm 13
August 25°C / 76°F 20°C / 68°F 194 mm 14
September 22°C / 71°F 16°C / 61°F 135 mm 12
October 16°C / 60°F 10°C / 49°F 114 mm 12
November 9°C / 49°F 3°C / 38°F 95 mm 12
December 2°C / 36°F -3°C / 26°F 73 mm 12

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Hakodate in August →

Frequently asked questions

How hot is Hakodate in August?

In August, Hakodate averages a high of 25°C (76°F) and a low of 20°C (68°F) — generally warm.

Does it rain a lot in Hakodate in August?

August can be fairly wet in Hakodate, with about 14 rainy days on average.

Is August a good time to visit Hakodate?

August is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Hakodate in August?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Hakodate for a complete, climate-based checklist.

Open Hakodate on the interactive map

Check the live 10-day forecast and sunrise/sunset.