Tokyo, Japan — Weather in August 2026

Climate Overview

Tokyo, Japan in August has hot conditions, with highs reaching 30.7°C (87°F) and afternoons the warmest part of the day. Rain falls on about 11 days this month. Sea temperature reaches 28.5°C (83°F).

This month falls at the end of Summer. Temperatures are at their seasonal peak.

Temperatures remain fairly steady throughout August, with daily highs around 31°C (88°F).

Rainfall is heaviest during the middle of the month, while the first third tends to be drier.

Expect around 11.0h of sunshine at the start of August, decreasing to 9.2h by the end.

The warmest days tend to fall around the 4th, averaging 31.5°C (89°F).

Compared to July, this month is about 2°C warmer with 2 fewer rainy days. Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

31°C / 25°C

Feels Like

35°C / 29°C

Rain

11 days · 117 mm

Sunshine

9.8h / day

Humidity

80% — Very Muggy

Wind

20 km/h

Wind Direction

SSE (153°)

Gusts

34 km/h

Daylight

13.5 h

Cloud Cover

63%

Clear Sky Days

2.9

UV Index

7.2 — Very High

Sea Temperature

29°C

Dew Point

24°C — Muggy

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:01

Daylight 13.5h

Sunset 18:34

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 0°C	5°C / -4°C	6days (52 mm) Good	7.8h Good	70% Muggy	3.2 Moderate	Poor	View Details
February	10°C / 1°C	6°C / -3°C	7days (53 mm) Good	8.4h Good	68% Muggy	3.9 Moderate	Poor	View Details
March	14°C / 5°C	11°C / 2°C	12days (124 mm) Wet	8h Good	73% Muggy	4.8 Moderate	Fair	View Details
April	18°C / 10°C	16°C / 8°C	12days (119 mm) Wet	8.7h Good	75% Muggy	5.6 High	Good	View Details
May best	22°C / 15°C	22°C / 15°C	13days (128 mm) Wet	8.7h Good	77% Humid	5.7 High	Excellent	View Details
June best	25°C / 19°C	27°C / 20°C	14days (177 mm) Wet	8.2h Good	80% Humid	6.5 High	Excellent	View Details
July	29°C / 23°C	33°C / 27°C	13days (160 mm) Wet	8.7h Good	82% Humid	7.5 Very High	Fair	View Details
August	31°C / 25°C	35°C / 29°C	11days (117 mm) Wet	9.8h Good	80% Humid	7.2 Very High	Fair	View Details
September best	27°C / 21°C	30°C / 24°C	14days (165 mm) Wet	7.6h Good	82% Humid	5.8 High	Excellent	View Details
October best	21°C / 15°C	21°C / 14°C	14days (190 mm) Wet	6.5h Fair	79% Humid	3.9 Moderate	Wet	View Details
November best	16°C / 9°C	14°C / 6°C	10days (85 mm) Wet	7.3h Good	77% Humid	3.2 Moderate	Good	View Details
December	11°C / 3°C	8°C / -1°C	6days (48 mm) Good	7.5h Good	73% Muggy	3 Moderate	Fair	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

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Is August a good time to visit Tokyo?

August is typically fair for visiting Tokyo, with average highs of 31°C (87°F) and around 11 rainy days. Tokyo, Japan in August has hot conditions, with highs reaching 30.7°C (87°F) and afternoons the warmest part of the day.

Does it rain a lot in Tokyo in August?

Tokyo typically sees around 11 rainy days in August with 117 mm (4.6 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Tokyo in August?

Nights stay pleasantly warm in Tokyo during August, around 25°C (76°F). Light evening wear is sufficient.

What should I pack for Tokyo in August?

With highs of 31°C (87°F) and lows of 25°C (76°F) in August, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Tokyo?

August is not the most favourable month weather-wise in Tokyo. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Tokyo in August?

The average UV index in Tokyo during August is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Tokyo in August?

Tokyo gets approximately 14 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Tokyo in August?

Snow is uncommon in Tokyo during August based on 10-year climate averages.

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