Tokyo weather in August
Tokyo in August averages 28°C (83°F), 155 mm of rain and 5.7 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Tokyo, August is the warmest and the fifth wettest.
- Average temp
- 28°C (83°F)
25–32°C · 76–89°F
- Rainfall
- 155 mm
A wet month
- Sunshine
- 5.7 h
hours per day
What is Tokyo like in August?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Tokyo in August?
High-factor sun cream
With daytime highs around 32°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A proper waterproof, not a folding umbrella
155 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
August compared with July and September
August in Tokyo is 1.4°C warmer than July and about as wet as it, which averages 27°C (80°F).
August in Tokyo is 3.7°C warmer than September and 66 mm drier than it, which averages 24°C (76°F).
Daylight in Tokyo in August
On 15 August the sun is up for 13 hours 31 minutes in Tokyo, rising about 05:00 and setting about 18:30 local time.
August ends 59 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 3 minutes short of June, the longest-lit month here.
Where to stay in Tokyo
Dates are a starting point for August.
Travel guides for Tokyo
What to read before you book.
Tokyo weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 43°F | 60 mm |
| February | 7°C / 44°F | 57 mm |
| March | 10°C / 50°F | 117 mm |
| April | 15°C / 59°F | 134 mm |
| May | 20°C / 67°F | 140 mm |
| June | 23°C / 73°F | 168 mm |
| July | 27°C / 80°F | 157 mm |
| August | 28°C / 83°F | 155 mm |
| September | 24°C / 76°F | 221 mm |
| October | 19°C / 66°F | 237 mm |
| November | 14°C / 57°F | 97 mm |
| December | 9°C / 48°F | 58 mm |
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
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FAQs about Tokyo in August
August climate averages for Tokyo, 1991–2020.
Tokyo averages 28°C (83°F) in August, ranging from about 25°C (76°F) at night to 32°C (89°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. August brings about 155 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. August averages 28°C (83°F) against 24°C (76°F) in September — 3.7°C warmer.
August is 1.4°C warmer than July, and about as wet.
Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 5.7 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 31 minutes of daylight in mid-August, against 14 hours 34 minutes in June and 9 hours 46 minutes in December.
On 15 August, sunrise is about 05:00 and sunset about 18:30 local time. Both shift across the month — the month ends 59 minutes shorter than it starts.
