Otaru weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Otaru December weather at a glance
In December, Otaru averages -1.5°C, with typical highs of 0.8°C and lows of -4°C. The historical average is 18 wet days and 73% humidity.
Otaru December temperature & humidity
Otaru December 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 December
Pack a warm insulated coat, thermal layers, gloves and a scarf. Rain is frequent at roughly 18 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeWarm coat and layered tops · average high 0.8°C
- Morning & eveningInsulating coat, scarf and gloves · average low -4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Otaru December sunrise & sunset times
2026 December · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 06:48 | 16:02 | 9h 14m |
| 2026-12-15 | 07:01 | 16:01 | 9h 1m |
| 2026-12-31 | 07:08 | 16:10 | 9h 2m |
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.
December 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 December?
In December, Otaru averages -1.5°C, with typical highs of 0.8°C and lows of -4°C. The historical average is 18 wet days and 73% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Otaru in December?
There are about 18 wet days in December. Pack a rain jacket and water-resistant shoes.
What should I wear in Otaru in December?
Pack a warm insulated coat, thermal layers, gloves and a scarf. Rain is frequent at roughly 18 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 December 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 December?
On 2026-12-15, calculated sunrise is 07:01 and sunset is 16:01 in local time (Asia/Tokyo). Times vary by date and terrain.
Otaru weather by month
More Japan destinations in December
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