Destination packing checklists

Sendai weather in December

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Sendai December weather at a glance

D Challenging 😓

In December, Sendai averages 3.4°C, with typical highs of 7.8°C and lows of -0.2°C. The historical average is 13 wet days and 75% humidity.

Compared with Seoul in December, it is 4.3°C warmer than Seoul, with 8 more wet days.

Sendai December temperature & humidity

Average3.4°CHigh 7.8° / low -0.2°
Humidity75%
Wet days13 days42% of days
Day–night range8°

Sendai December rain & wet days

Wet days13 daysHistorical monthly average
Share of wet days42%Not a forecast probability

Pack a compact umbrella. Keep an indoor stop available between outdoor activities.

What to wear in Sendai in December

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.

  • DaytimeWarm coat and layered tops · average high 7.8°C
  • Morning & eveningInsulating coat, scarf and gloves · average low -0.2°C
  • FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Useful extras
Warm jacket or coatKnitwearCompact umbrella
Use the Tokyo checklist as a starting point →

Sendai December sunrise & sunset times

2026 December · Local time (Asia/Tokyo)

Sunrise on the 15th06:46
Sunset on the 15th16:17
Daylight duration9h 31m
Start, middle and end of the month
DateSunriseSunsetDaylight
2026-12-0106:3416:179h 43m
2026-12-1506:4616:179h 31m
2026-12-3106:5316:269h 33m

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

Sendai travel updates

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Best months to visit Sendai

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

ColdHot

December weather by year

December 20243.1°14 wet days, 73% humidity
December 20253.8°12 wet days, 76% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

118°3°
213°5°
310°3°4.4mm
43°0°4.3mm
56°0°1.9mm
611°-1°
712°-2°
814°0°
98°0°
108°-2°
1112°-4°4mm
124°0°4mm
135°-1°
147°-1°20mm
158°3°3.4mm
1610°0°
179°1°3.7mm
186°0°
199°-2°
2013°-2°
2117°4°
227°1°
235°-3°
245°0°2.5mm
258°3°14mm
265°-2°2.4mm
272°-3°
286°-3°2.7mm
2911°-3°
3010°-2°
313°0°

Frequently asked questions

What is Sendai weather like in December?

In December, Sendai averages 3.4°C, with typical highs of 7.8°C and lows of -0.2°C. The historical average is 13 wet days and 75% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Sendai in December?

There are about 13 wet days in December. A compact umbrella is still useful.

What should I wear in Sendai in December?

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.

What are the best months to visit Sendai?

Recent weather data rates May, June, October, November among the more comfortable months.

Where can I check Sendai 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 Sendai in December?

On 2026-12-15, calculated sunrise is 06:46 and sunset is 16:17 in local time (Asia/Tokyo). Times vary by date and terrain.

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