Morioka Climate by Month
Morioka, Iwate, Japan
Warm summers and cold winters, with rain spread through the year.
The climate in Morioka is one of warm summers and cold winters, with rain spread through the year. August is the warmest month, with highs around 84°F (29°C); January is the coolest at 36°F (2°C), and nights dip to 22°F (-6°C). About 52 in (1320 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, August
- Coldest nights
- 22°F(-6°C)
- Average low, January
- Rain per year
- 52 in(1320 mm)
- No clear rainy season
- Humidity
- 71%
- Sunniest: May
Best and worst months in Morioka
Best for weatherJune is the best time for weather in Morioka: highs near 76°F (24°C) and about 4.5 in (115 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 36°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Morioka weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 22°F(-6°C) | 2.6 in(67 mm) | 74% | 1.8 |
| FebFebruary | 38°F(3°C) | 22°F(-6°C) | 2.2 in(56 mm) | 71% | 2.5 |
| MarMarch | 47°F(8°C) | 29°F(-2°C) | 3.4 in(87 mm) | 65% | 3.5 |
| AprApril | 60°F(15°C) | 39°F(4°C) | 3.8 in(97 mm) | 59% | 4.4 |
| MayMay | 69°F(21°C) | 49°F(9°C) | 3.8 in(96 mm) | 64% | 4.9 |
| JunJuneBest | 76°F(24°C) | 58°F(14°C) | 4.5 in(115 mm) | 71% | 4.8 |
| JulJuly | 81°F(27°C) | 66°F(19°C) | 7.7 in(195 mm) | 78% | 4.4 |
| AugAugust | 84°F(29°C) | 68°F(20°C) | 6.1 in(156 mm) | 76% | 4.4 |
| SepSeptember | 76°F(25°C) | 59°F(15°C) | 5.9 in(150 mm) | 77% | 3.6 |
| OctOctober | 65°F(19°C) | 46°F(8°C) | 5.0 in(127 mm) | 72% | 2.9 |
| NovNovember | 53°F(12°C) | 35°F(2°C) | 3.4 in(87 mm) | 71% | 1.9 |
| DecDecember | 41°F(5°C) | 28°F(-2°C) | 3.4 in(87 mm) | 75% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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