Fukuoka in August

In August, Fukuoka averages 31°C (87°F) during the day and 25°C (76°F) at night, with frequent rain — about 23 days of the month see precipitation (250 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak typhoon season in Fukuoka during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

31°C
Avg high
25°C
Avg low
23
Rain days
250 mm
Rainfall

How August compares to the rest of the year in Fukuoka

1st
warmest month of the 12
2nd
wettest month of the 12
14%
of yearly rainfall falls in August
13 h 26 min
daylight on the 15th

August is one of the warmest months in Fukuoka (1st of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 11°C above the annual average (20°C). August runs 1°C warmer than July (30°C) and cools 4°C in September (27°C).

August sunrise & sunset in Fukuoka

🌅
Sunrise (15th)
5:40 AM
🌇
Sunset (15th)
7:06 PM
Day length
13 h 26 min

Times shown for Fukuoka 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 Fukuoka — August

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

🌅 Blue hour (AM)
4:40 AM – 5:20 AM
🌄 Golden hour (AM)
5:20 AM – 6:20 AM
🌇 Golden hour (PM)
6:26 PM – 7:26 PM
🌆 Blue hour (PM)
7:26 PM – 8:06 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Fukuoka.

📅 When to book — Fukuoka 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 (Shoulder) and Fukuoka's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

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 Fukuoka

Shoulder

Fukuoka is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)

Sun & mosquito risk — August in Fukuoka

☀️ UV Index (noon, 15th)
12
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.

Fukuoka in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 9°C / 48°F 3°C / 38°F 85 mm 16
February 10°C / 50°F 3°C / 38°F 78 mm 16
March 14°C / 58°F 7°C / 44°F 124 mm 16
April 19°C / 65°F 11°C / 51°F 147 mm 15
May 23°C / 74°F 15°C / 59°F 152 mm 15
June 26°C / 78°F 19°C / 67°F 246 mm 20
July 30°C / 85°F 24°C / 74°F 275 mm 24
August 31°C / 87°F 25°C / 76°F 250 mm 23
September 27°C / 80°F 21°C / 69°F 232 mm 22
October 22°C / 71°F 15°C / 59°F 94 mm 14
November 17°C / 62°F 10°C / 50°F 82 mm 14
December 11°C / 51°F 5°C / 41°F 78 mm 15

Other cities with similar August weather

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

Frequently asked questions

How hot is Fukuoka in August?

In August, Fukuoka averages a high of 31°C (87°F) and a low of 25°C (76°F) — generally hot.

Does it rain a lot in Fukuoka in August?

August is quite rainy in Fukuoka, with about 23 rainy days on average.

Is August a good time to visit Fukuoka?

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

What should I pack for Fukuoka in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Fukuoka for a complete, climate-based checklist.

Open Fukuoka on the interactive map

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