Verdict: Fair month
Tokyo Weather in August
August runs warm in Tokyo, with daily highs around 32°C (90°F) and nights near 25°C (77°F). Expect showers on roughly 14 days of the month — rarely trip-ruining, worth planning around. August is workable in Tokyo if your dates are fixed — just plan around the conditions.
Average high
32°C / 90°F
Average low
25°C / 77°F
Rain days
~14
Precipitation
145 mm
What to pack for Tokyo in August
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 14 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Tokyo: Aug (32°C / 90°F) · Coolest: Jan (9°C / 48°F) · Wettest: Jul (~18 rain days)
9°
0°
Jan
11°
1°
Feb
15°
5°
Mar
19°
10°
Apr
23°
14°
May
27°
19°
Jun
31°
23°
Jul
32°
25°
Aug
28°
21°
Sep
22°
14°
Oct
18°
9°
Nov
12°
2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)