Tokyo, Japan — Weather in May 2027

Climate Overview

Tokyo, Japan in May has warm conditions, with highs averaging 22.2°C (72°F). Rain falls on about 13 days this month. Sea temperature stays cool at 18.6°C (65°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 21°C (70°F) at the start to 23°C (74°F) by month's end.

May sees fairly even rainfall, totalling about 127 mm across the month.

Expect around 10.3h of sunshine at the start of May, decreasing to 8.5h by the end.

Wind speeds ease off through the month, from 26 km/h (16 mph) to 22 km/h (13 mph).

The warmest days tend to fall around the 27th, averaging 23.6°C (74°F).

Compared to April, this month is about 4°C warmer with 1 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

22°C / 15°C

Feels Like

22°C / 15°C

Rain

13 days · 128 mm

Sunshine

8.7h / day

Humidity

77% — Humid

Wind

23 km/h

Wind Direction

SSE (158°)

Gusts

37 km/h

Daylight

14.1 h

Cloud Cover

69%

Clear Sky Days

2.7

UV Index

5.7 — High

Sea Temperature

19°C

Dew Point

15°C — Comfortable

Moon Phase

Waxing Gibbous · 66%

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 04:38

Daylight 14h

Sunset 18:40

What to Expect

Daytime temperatures around 22°C (72°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

Recent yearly records for May have stayed close to the long-run average.

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

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

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

Packing List

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Tokyo?

May is typically excellent for visiting Tokyo, with average highs of 22°C (72°F) and around 13 rainy days. Tokyo, Japan in May has warm conditions, with highs averaging 22.2°C (72°F). Rain falls on about 13 days this month. Sea

Does it rain a lot in Tokyo in May?

Tokyo typically sees around 13 rainy days in May with 128 mm (5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Tokyo in May?

Evenings in Tokyo during May are mild at 15°C (59°F). A light cardigan is usually enough.

What should I pack for Tokyo in May?

With highs of 22°C (72°F) and lows of 15°C (59°F) in May, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

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

Yes, May offers some of the best weather conditions in Tokyo with comfortable temperatures and lower chances of rain.

What is the UV index in Tokyo in May?

The average UV index in Tokyo during May is 6 (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 May?

Tokyo gets approximately 14 hours of daylight per day in May, with around 9 hours of sunshine.

Does it snow in Tokyo in May?

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

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