Aso-Otohime
阿蘇乙姫32°57′ N 131°02′ EJMA1991-20207.1 to 22.5 °C
Table view
| Month | High °C | Low °C | Mean °C | Rain mm | Rain days | Sun h | Wind | m/s |
|---|---|---|---|---|---|---|---|---|
| Jan | 7.1 | -2.7 | 2 | 92.7 | 8.3 | 106.6 | SW | 2.1 |
| Feb | 8.9 | -1.8 | 3.4 | 134.8 | 9.5 | 119.7 | SW | 2.2 |
| Mar | 12.7 | 1.2 | 6.9 | 197.2 | 12.3 | 152.2 | SW | 2.4 |
| Apr | 18 | 5.7 | 11.9 | 219.2 | 11.4 | 172.4 | SW | 2.4 |
| May | 22.5 | 11 | 16.7 | 261.3 | 11.3 | 178.4 | SW | 2.3 |
| Jun | 24.6 | 16.3 | 20.2 | 667.9 | 16.4 | 115.7 | SW | 2.5 |
| Jul | 28.2 | 20.5 | 23.8 | 582.6 | 16.4 | 139.6 | SW | 2.6 |
| Aug | 29.3 | 20.5 | 24.2 | 291 | 13.2 | 160.4 | SW | 2.2 |
| Sep | 26.1 | 16.5 | 20.8 | 247.8 | 11.6 | 136.2 | ENE | 1.9 |
| Oct | 21 | 9.7 | 15.1 | 118.7 | 8.2 | 158.8 | ENE | 1.9 |
| Nov | 15.4 | 3.6 | 9.2 | 109.7 | 8.5 | 132.7 | SW | 1.7 |
| Dec | 9.5 | -1.4 | 3.8 | 86.9 | 8.2 | 117.8 | SW | 1.9 |
Reading the seasons
Station
JMA's Aso-Otohime AMeDAS station (block 1240) stands at 487 m inside the Aso caldera in Kumamoto. JMA's summit station at Asosan (block 47821) stopped observing on 11 December 2017, and JMA keeps no snow normals at Aso-Otohime. Every value is JMA's 1991–2020 normal.
Winter
January lows average −2.7 °C and highs 7.1 °C. The month gets 106.6 hours of sunshine.
Spring
Highs run from 12.7 °C in March to 22.5 °C in May. June averages 667.9 mm of rain and July 582.6 mm, so plan Aso riding for spring or autumn.
Volcano
Aso is an active volcano that JMA monitors. Check the current alert level on JMA's Asosan page before riding up to the crater: https://www.data.jma.go.jp/vois/data/fukuoka/503_Asosan/503_index.html
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 Aso-Otohimeよくある質問
What is the weather like in Aso-Otohime in January to February and April to May?
In January to February and April to May, Aso-Otohime averages daily highs of 7.1 to 22.5 °C and lows of -2.7 to 11 °C, with 93 to 261 mm of rain a month, by the Japan Meteorological Agency's 1991-2020 normals. The most frequent wind in January comes from the SW at a mean 2.1 m/s.
Which month is warmest in Aso-Otohime?
August is the warmest month in Aso-Otohime, with an average daily high of 29.3 °C, by the Japan Meteorological Agency's 1991-2020 normals.
Which month is wettest in Aso-Otohime?
June is the wettest month in Aso-Otohime, with 667.9 mm of rain on average, by the Japan Meteorological Agency's 1991-2020 normals.