Sendai Weather in December
With daytime temperatures of 9°C (48°F) and nighttime lows of 2°C (36°F), December in Sendai brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 66 mm (2.6 in) falls on average.
Rainfall in Sendai in December
Based on our climate data of the past 30 years, about 21 days of rain are anticipated, with 66 mm (2.6 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Sendai in December
December in Sendai brings low temperatures, with highs of 9°C (48°F) and nights around 2°C (36°F). December is known for being in the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Sendai in December
The city usually sees around 135 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Sendai in December
December has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, August and October typically offer the best weather for Sendai.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Sendai's climate page.
Sendai Temperature in December
Min Temperature
2°C (36°F)
Max Temperature
9°C (48°F)
Chance of Rain
71%
Precipitation
66 mm (2.6 in)
Rainy days
21 days
Humidity
66%
Windspeed
3 m/s (6 knots)
Sunshine
135 hours
Percentage Sunshine
48%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sendai typically drop from around 11°C (52°F) at the start of December to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Sendai in December
Browse day-by-day weather records for Sendai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sendai historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Sendai.
- Sendai recorded its highest December temperature of 22°C (72°F) on December 1, 1990.
- On December 27, 2017, Sendai saw its coldest December day with temperatures maxing out at -1°C (30°F).
- The coldest night in December in Sendai was on December 30, 1976, with a minimum of -14°C (7°F).
Best Places in Japan in December
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sendai in December
Dress warmly and in layers for your trip to Sendai in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sendai in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Sendai's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sendai climate overview or explore weather in Japan.
