Otaru weather in April
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Otaru April weather at a glance
In April, Otaru averages 7.9°C, with typical highs of 11.9°C and lows of 4.2°C. The historical average is 14 wet days and 76% humidity.
Otaru April temperature & humidity
Otaru April 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 April
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Rain is frequent at roughly 14 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeWarm coat and layered tops · average high 11.9°C
- Morning & eveningInsulating coat, scarf and gloves · average low 4.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Otaru April sunrise & sunset times
2026 April · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-04-01 | 05:19 | 18:02 | 12h 43m |
| 2026-04-15 | 04:55 | 18:18 | 13h 23m |
| 2026-04-30 | 04:32 | 18:36 | 14h 4m |
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.
April 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 April?
In April, Otaru averages 7.9°C, with typical highs of 11.9°C and lows of 4.2°C. The historical average is 14 wet days and 76% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Otaru in April?
There are about 14 wet days in April. Pack a rain jacket and water-resistant shoes.
What should I wear in Otaru in April?
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Rain is frequent at roughly 14 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 April 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 April?
On 2026-04-15, calculated sunrise is 04:55 and sunset is 18:18 in local time (Asia/Tokyo). Times vary by date and terrain.
Otaru weather by month
More Japan destinations in April
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