Minakami
みなかみ36°46′ N 138°58′ EJMA1991-20202.6 to 20.2 °C
Table view
| Month | High °C | Low °C | Mean °C | Rain mm | Rain days | Snow depth cm | New snow cm | Sun h | Wind | m/s |
|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 2.6 | -4.4 | -1.2 | 154.9 | 18.7 | 119 | 296 | 81.1 | ENE | 2 |
| Feb | 3.5 | -4.3 | -0.8 | 125.9 | 15.2 | 149 | 241 | 96.7 | ENE | 2.2 |
| Mar | 7.4 | -1.6 | 2.3 | 114 | 15 | 109 | 145 | 134.9 | ENE | 2.3 |
| Apr | 14.4 | 3.1 | 8.2 | 99.7 | 11.8 | 34 | 30 | 167.3 | ENE | 2.4 |
| May | 20.2 | 8.5 | 14 | 114.5 | 12 | 0 | 0 | 192.1 | ENE | 2.1 |
| Jun | 23.3 | 13.6 | 18 | 152 | 14.5 | 0 | 0 | 145.1 | ENE | 1.6 |
| Jul | 27 | 18 | 21.8 | 215.8 | 16.1 | 0 | 0 | 144.6 | ENE | 1.5 |
| Aug | 28.2 | 19 | 22.7 | 210.6 | 15.4 | 0 | 0 | 165.1 | ENE | 1.5 |
| Sep | 23.6 | 15.3 | 18.8 | 199.9 | 14 | 0 | 0 | 126.5 | ENE | 1.5 |
| Oct | 17.8 | 9.1 | 12.7 | 140.5 | 12.3 | 0 | 0 | 127.4 | ENE | 1.7 |
| Nov | 12.1 | 2.8 | 6.7 | 90.9 | 12 | 5 | 11 | 115.7 | ENE | 1.9 |
| Dec | 5.8 | -1.7 | 1.4 | 144.9 | 16.1 | 77 | 187 | 103.6 | ENE | 2 |
Reading the seasons
Station
JMA's Minakami AMeDAS station (block 1019) stands at 524 m in Minakami town, Gunma, in the Tone valley below the town's ski areas. JMA wrote its name as 水上 until 28 February 2006. Every value is JMA's 1991–2020 normal.
Winter
January brings 296 cm of new snow, and February holds the deepest normal snowpack at 149 cm. Daily lows average −4.4 °C in January and −4.3 °C in February. The wind blows most often from the east-north-east in every month of the year.
Spring
The normal deepest snow falls to 34 cm in April as highs reach 14.4 °C. May is the sunniest month at 192.1 hours.
SnowSeries
Two snow series come from JMA's normals. snowDepthMax is the month's deepest snow on the ground in centimetres (最深積雪), and freshSnow is the month's total new snowfall in centimetres (降雪の深さ合計).
Rain
Rain days count the days with 1 mm or more of precipitation.
Wind
The windDir field holds JMA's most frequent wind direction (最多風向) for each month as the compass point the wind blows from.
Quick answers about Minakamiよくある質問
What is the weather like in Minakami in January to February and April to May?
In January to February and April to May, Minakami averages daily highs of 2.6 to 20.2 °C and lows of -4.4 to 8.5 °C, with 100 to 155 mm of rain a month, by the Japan Meteorological Agency's 1991-2020 normals. The most frequent wind in January comes from the ENE at a mean 2 m/s.
Which month is warmest in Minakami?
August is the warmest month in Minakami, with an average daily high of 28.2 °C, by the Japan Meteorological Agency's 1991-2020 normals.
Which month is wettest in Minakami?
July is the wettest month in Minakami, with 215.8 mm of rain on average, by the Japan Meteorological Agency's 1991-2020 normals.
In the journal and guides
Read more about Minakami特集

Practical guide · 6 min read
What does JaPow mean?
JaPow is skier slang for Japan's powder snow, a blend of Japan and pow. The snow comes from cold northwesterly winds that cross the Sea of Japan and unload on the mountains facing it, with January the snowiest month at every JMA station we keep near a ski area.

Practical guide · 9 min read
When is the best time to ski in Japan?
Mid-January to the end of February brings the most snow on Honshu and in Tohoku. Book around New Year and the 2027 holiday weekends, or wait for March and April, when the days run long and spring prices kick in.

Practical guide · 8 min read
Where can you ski on a day trip from Tokyo?
In winter the Shinkansen stops inside GALA Yuzawa's base building. Kagura has the biggest terrain within reach of Echigo-Yuzawa, and Mt.T in Minakami has the steepest, an hour from Tokyo plus a bus.