Average Precipitation for Japan in December





The tables below give monthly averages for rainfall plus snowfall during December at cities and towns in Japan. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches).

The month's precipitation statistics are long-term historical averages of weather data collected from 1981 to 2010.

You can jump to a separate table for each section of the country: Hokkaidō, Tōhoku, Kantō, Chūbu, Kansai, Chūgoku Shikoku, Kyūshū and Okinawa.

Hokkaidō

Average monthly precipitation in December
Days Place Inches Milli­metres
12 Abashiri 2.3 59
21 Asahikawa 3.8 97
15 Hakodate 3.3 85
6 Obihiro 1.8 46
15 Sapporo 4.4 112
8 Tomakomai 2.0 51
21 Wakkanai 4.4 113

Tōhoku

December averages for total rainfall plus snowfall
Days Place Inches Milli­metres
21 Aomori 5.9 151
7 Fukushima 1.6 42
5 Iwaki 1.7 44
11 Morioka 2.8 71
5 Sendai 1.4 37

Kantō

Average amount of rain and snow in December
Days Place Inches Milli­metres
5 Chiba 2.0 52
13 Hachijo-jima Island 7.2 183
3 Maebashi 0.9 23
6 Nikko 2.0 51
4 Tokyo 2.0 51
3 Utsunomiya 1.4 36
5 Yokohama 2.2 55

Chūbu

Precipitation totals for December
Days Place Inches Milli­metres
20 Aikawa, Sado Island 5.9 150
8 Gifu 2.3 58
5 Hamamatsu 2.1 52
22 Kanazawa 11.1 282
8 Nagano 1.8 46
6 Nagoya 1.8 45
22 Niigata 8.6 217
5 Shizuoka 2.5 63

Kansai

Total precipitation during December
Days Place Inches Milli­metres
5 Himeji 1.4 37
5 Kobe 1.6 41
6 Kyoto 1.9 48
6 Nara 1.9 47
6 Osaka 1.7 44
5 Tsu 1.5 39
5 Wakayama 1.9 50

Chūgoku

Average amount of precipitation in December
Days Place Inches Milli­metres
4 Fukuyama 1.2 31
5 Hiroshima 1.6 41
4 Kure 1.4 36
16 Matsue 5.4 138
4 Okayama 1.2 31
17 Tottori 7.6 194
9 Yamaguchi 2.3 59

Shikoku

December precipitation averages
Days Place Inches Milli­metres
5 Kochi 2.3 58
6 Matsuyama 1.8 46
6 Takamatsu 1.5 37
5 Tokushima 1.8 45

Kyūshū

Total December precipitation
Days Place Inches Milli­metres
9 Fukuoka 2.4 60
8 Kagoshima 2.8 71
7 Kumamoto 2.1 54
5 Miyazaki 2.4 60
8 Nagasaki 2.4 61
4 Oita 1.4 34
9 Wadomari, Okinoerabu Island 3.7 95
14 Yakushima Island Airport 10.3 263

Okinawa

Average December precipitation
Days Place Inches Milli­metres
13 Iriomote Island 6.0 153
11 Ishigaki Island 5.0 126
10 Kume 4.8 122
10 Miyakojima 5.2 131
9 Nago 3.8 96
8 Naha 4.0 103
14 Yonaguni Island 7.1 180
Reference

Japan Meteorological Agency. Historical weather data retrieval.

Japan Precipitation
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