Otaru weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Otaru May weather at a glance
In May, Otaru averages 13.3°C, with typical highs of 17°C and lows of 9.5°C. The historical average is 15 wet days and 73% humidity.
Otaru May temperature & humidity
Otaru May rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Otaru in May
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 17°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 9.5°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Otaru May sunrise & sunset times
2026 May · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 04:30 | 18:37 | 14h 7m |
| 2026-05-15 | 04:13 | 18:53 | 14h 40m |
| 2026-05-31 | 04:00 | 19:08 | 15h 8m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Otaru
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Otaru weather like in May?
In May, Otaru averages 13.3°C, with typical highs of 17°C and lows of 9.5°C. The historical average is 15 wet days and 73% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Otaru in May?
There are about 15 wet days in May. Pack a rain jacket and water-resistant shoes.
What should I wear in Otaru in May?
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Otaru?
Recent weather data rates June, September among the more comfortable months.
Where can I check Otaru weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Otaru in May?
On 2026-05-15, calculated sunrise is 04:13 and sunset is 18:53 in local time (Asia/Tokyo). Times vary by date and terrain.
Otaru weather by month
More Japan destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations