yearsofweather

Kumamoto in December:
crisp and chilly, occasional rain

Kumamoto, Japan · Records from 2006 to 2025. Not a forecast.

Mean high13°Hottest day 23.2° (2018)
Mean low3°Coldest night −3.1° (2025)
Rain days7 days4-12 by year
Rainfall60mmDaylight 10.2 → 10.0 h
Kumamoto's 12 months iBest: October
Trip types Sightseeing on foot Fine
Humidity70%0 muggy days
Clear days5 days6 overcast days
Mean wind9 km/hRarely windy
Sunrise / sunset (15th)07:12 / 17:13Daylight 10.2 → 10.0 h

Kumamoto in December

Winter proper begins. Raw horse meat (basashi) is still a popular local dish in Kumamoto, and cold days suit it alongside a hot bowl of ramen. Wet days stay few, much like November.

December in Kumamoto was brisk: 13°C by day, 3°C at night. Standing in the shade felt chilly. With about 7 rain days, showers were an occasional nuisance rather than the rule. Individual years ran between 4 and 12 rain days.

5 nights a month dropped below freezing on average. Gloves earned their place for early starts. The lowest night on record was −3.1°C in 2025.

Typhoons i No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: May and July to October

Date by date i

‹ November December 2026 January ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-5rain on 25% of days14° 4°
6-12rain on 25% of days14° 4°
13-19rain on 24% of days12° 3°
20-26rain on 23% of days12° 3°
27-31rain on 22% of days11° 1°

0-5/206-8/209-11/2012-20/20

1-5rain on 25% of days14° 4°
6-12rain on 25% of days14° 4°
13-19rain on 24% of days12° 3°
20-26rain on 23% of days12° 3°
27-31rain on 22% of days11° 1°
Tap another date to change

2006none
2007none
200812mm
2009none
20108mm
2011none
201216mm
2013none
20141mm
20157mm
2016none
2017none
20181mm
2019none
2020none
2021none
202213mm
2023none
20241mm
20258mm
Holidays in December (2026)
  • December 29 to January 3 Year-end and New Year holidays
  • December 25 Christmas Day

1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)

Day by day temperature i

0°8°17°25° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
2 d 7 d
2007
3 d 10 d
2008
2 d 7 d
2009
3 d 7 d
2010
3 d 12 d
2011
2 d 4 d
2012
3 d 10 d
2013
2 d 7 d
2014
3 d 11 d
2015
3 d 8 d
2016
0 d 10 d
2017
2 d 4 d
2018
2 d 9 d
2019
0 d 9 d
2020
0 d 4 d
2021
0 d 4 d
2022
1 d 6 d
2023
3 d 8 d
2024
1 d 4 d
2025
0 d 6 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
3
7
6
4
5
3
6
6
6
4
7
3
7
5
4
6
6
3
2
2
9
6
2
4
3
6
2
4
4
7
5
Rain days on trip
23233232330220001310

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2011 had 4 rain days, 2010 had 12.

Kumamoto through the year

MonthHighLowRain daysRainfall
January 11°1°5 days55mm
February 13°3°8 days93mm
March 17°6°11 days127mm
April 22°11°10 days141mm
May 26°16°10 days185mm
June 28°20°15 days434mm
July 32°25°13 days392mm
August 34°25°12 days276mm
September 31°22°9 days142mm
OctoberGood 26°16°6 days91mm
November 19°9°7 days73mm
December 13°3°7 days60mm

Common questions

Does it rain a lot in Kumamoto in December?

Over the past 20 years December averaged 7 rain days (1 mm or more) out of 31. Individual years ran from 4 in the driest to 12 in the wettest.

What should I wear in Kumamoto in December?

Days averaged 13°C and nights 3°C. Pack a compact umbrella and a sweater plus a light jacket.

Is December a good time to visit Kumamoto?

On warmth and rain days alone, Kumamoto's easiest month was October. December ranked 9 of 12.

How many clear days does Kumamoto get in December?

About 5 clear days (under 30% cloud on average) and 6 overcast days (80% or more).