Iwate-Matsuo
岩手松尾39°57′ N 141°04′ EJMA1991-20200.8 to 19.8 °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 | 0.8 | -7.9 | -3.1 | 42.5 | 10.9 | 34 | 122 | 82.7 | WNW | 1.7 |
| Feb | 1.9 | -7.6 | -2.5 | 41.7 | 9.9 | 39 | 108 | 88.1 | NW | 1.8 |
| Mar | 6.2 | -3.7 | 1.4 | 66.7 | 11.2 | 26 | 60 | 139 | NW | 2.1 |
| Apr | 13.5 | 1.4 | 7.6 | 65 | 9.9 | 4 | 5 | 173.7 | WNW | 2.4 |
| May | 19.8 | 7.8 | 13.8 | 75.8 | 9.8 | 0 | 0 | 187.9 | SSE | 2.4 |
| Jun | 23.6 | 13 | 18 | 87.4 | 8.7 | 0 | 0 | 152.5 | SE | 2 |
| Jul | 26.6 | 17.5 | 21.6 | 154.5 | 11.6 | 0 | 0 | 118.3 | SE | 1.8 |
| Aug | 27.7 | 18.3 | 22.5 | 158.3 | 10.7 | 0 | 0 | 135.8 | SE | 1.6 |
| Sep | 23.4 | 13.3 | 18.1 | 149.1 | 11.2 | 0 | 0 | 128.1 | SSE | 1.5 |
| Oct | 17.1 | 5.8 | 11.4 | 100.5 | 10.9 | 0 | 0 | 131.4 | WNW | 1.6 |
| Nov | 10 | 0.1 | 5 | 75.4 | 12.5 | 5 | 10 | 102.6 | NW | 1.8 |
| Dec | 3.4 | -4.5 | -0.4 | 67.1 | 12.8 | 22 | 90 | 75.1 | WNW | 1.7 |
Reading the seasons
Station
JMA's Iwate-Matsuo AMeDAS station (block 0214) stands at 275 m in Hachimantai city, Iwate. APPI and the Hachimantai ski areas sit higher in the mountains, so their slopes run colder than these figures. Every value is JMA's 1991–2020 normal.
Winter
January lows average −7.9 °C and highs 0.8 °C. New snow totals 122 cm in January, and the normal deepest snow peaks at 39 cm in February. Precipitation stays light in the valley, at 42.5 mm in January.
Spring
Highs reach 13.5 °C in April and 19.8 °C in May. May is the sunniest month at 187.9 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 Iwate-Matsuoよくある質問
What is the weather like in Iwate-Matsuo in January to February and April to May?
In January to February and April to May, Iwate-Matsuo averages daily highs of 0.8 to 19.8 °C and lows of -7.9 to 7.8 °C, with 42 to 76 mm of rain a month, by the Japan Meteorological Agency's 1991-2020 normals. The most frequent wind in January comes from the WNW at a mean 1.7 m/s.
Which month is warmest in Iwate-Matsuo?
August is the warmest month in Iwate-Matsuo, with an average daily high of 27.7 °C, by the Japan Meteorological Agency's 1991-2020 normals.
Which month is wettest in Iwate-Matsuo?
August is the wettest month in Iwate-Matsuo, with 158.3 mm of rain on average, by the Japan Meteorological Agency's 1991-2020 normals.
In the journal and guides
