Tokyo in August

In August, Tokyo averages 31°C (88°F) during the day and 24°C (75°F) at night, with around 9 days of rain (168 mm total).

Shoulder

Conditions are warm and beach-friendly. Occasional showers are likely but won't dominate.

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

31°C
Avg high
24°C
Avg low
9
Rain days
168 mm
Rainfall

How August compares to the rest of the year in Tokyo

1st
warmest month of the 12
8th
wettest month of the 12
11%
of yearly rainfall falls in August
13 h 32 min
daylight on the 15th

August is one of the warmest months in Tokyo (1st of 12) and moderately rainy compared to the rest of the year (8th 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 Tokyo

🌅
Sunrise (15th)
4:59 AM
🌇
Sunset (15th)
6:32 PM
Day length
13 h 32 min

Times shown for Tokyo 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 Tokyo — August

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

🌅 Blue hour (AM)
3:59 AM – 4:39 AM
🌄 Golden hour (AM)
4:39 AM – 5:39 AM
🌇 Golden hour (PM)
5:52 PM – 6:52 PM
🌆 Blue hour (PM)
6:52 PM – 7:32 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.

📅 When to book — Tokyo 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 Tokyo'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 Tokyo

Shoulder

Tokyo 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 Tokyo

☀️ UV Index (noon, 15th)
11.8
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.

Tokyo in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 10°C / 50°F 1°C / 34°F 52 mm 5 1
February 10°C / 50°F 2°C / 36°F 56 mm 6 1
March 14°C / 57°F 5°C / 41°F 118 mm 10 0
April 19°C / 66°F 10°C / 50°F 125 mm 10 0
May 23°C / 73°F 15°C / 59°F 138 mm 10 0
June 26°C / 79°F 18°C / 64°F 168 mm 12 0
July 30°C / 86°F 22°C / 72°F 154 mm 11 0
August 31°C / 88°F 24°C / 75°F 168 mm 9 0
September 27°C / 81°F 20°C / 68°F 210 mm 12 0
October 22°C / 72°F 14°C / 57°F 198 mm 11 0
November 17°C / 63°F 8°C / 46°F 93 mm 7 0
December 12°C / 54°F 3°C / 37°F 51 mm 5 0

Other cities with similar August weather

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

Frequently asked questions

How hot is Tokyo in August?

In August, Tokyo averages a high of 31°C (88°F) and a low of 24°C (75°F) — generally hot.

Does it rain a lot in Tokyo in August?

August sees occasional rain in Tokyo, with about 9 rainy days on average.

Is August a good time to visit Tokyo?

August is hot. 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 Tokyo in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Tokyo for a complete, climate-based checklist.

Open Tokyo on the interactive map

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