Tokyo in May

In May, Tokyo averages 23°C (73°F) during the day and 15°C (59°F) at night, with around 10 days of rain (138 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

May offers comfortable temperatures in Tokyo, with some rain to plan around.

23°C
Avg high
15°C
Avg low
10
Rain days
138 mm
Rainfall

How May compares to the rest of the year in Tokyo

5th
warmest month of the 12
7th
wettest month of the 12
9%
of yearly rainfall falls in May
14 h 2 min
daylight on the 15th

May is in the middle of the year for warmth in Tokyo (5th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 3°C above the annual average (20°C). May runs 4°C warmer than April (19°C) and warms a further 3°C into June (26°C).

May sunrise & sunset in Tokyo

🌅
Sunrise (15th)
4:36 AM
🌇
Sunset (15th)
6:38 PM
Day length
14 h 2 min

Times shown for Tokyo local time (Asia/Tokyo), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Tokyo — May

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

🌅 Blue hour (AM)
3:36 AM – 4:16 AM
🌄 Golden hour (AM)
4:16 AM – 5:16 AM
🌇 Golden hour (PM)
5:58 PM – 6:58 PM
🌆 Blue hour (PM)
6:58 PM – 7:38 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Tokyo.

📅 When to book — Tokyo in May

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 May's tier (High season) and Tokyo's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

May 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.

🇯🇵
Golden Week
Travel surge · high impact

Japan's biggest domestic travel week — Showa Day through Children's Day. Trains, hotels, and attractions across Japan run at peak capacity; prices spike 30-100%, reservations vanish weeks ahead.

Plan: If you're visiting Japan in late April/early May, book trains and ryokan 2-3 months out. Or avoid the window entirely.

Crowds & pricing — May in Tokyo

High season

This is a busy month in Tokyo — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — May in Tokyo

☀️ UV Index (noon, 15th)
12.3
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural. Check current dengue/malaria advisories for the destination.

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 May weather

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

Frequently asked questions

How hot is Tokyo in May?

In May, Tokyo averages a high of 23°C (73°F) and a low of 15°C (59°F) — generally mild and pleasant.

Does it rain a lot in Tokyo in May?

May can be fairly wet in Tokyo, with about 10 rainy days on average.

Is May a good time to visit Tokyo?

May is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Tokyo in May?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May 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.