Climate averages 1991–2020
Morioka weather
in May.
A mild, wet month: the 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Morioka: daytime highs average 18.1°C and nights cool to about 8.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 94 mm of rain on roughly 13 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 20 min on an average May day.
The nearest other city in this atlas is Hanamaki (35 km away). In May its highs average 18.7°C, 0.6°C warmer than Morioka, with 109 mm of rain.
Among the 303 cities listed in Japan, Morioka ranks 287th of 303 for the warmest May highs and joint 11th of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Morioka is 3.2°C cooler than that mean.
From May to June, average highs rise by 3.7°C to 21.8°C, and monthly rainfall rises from 94 mm to 101 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Morioka climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.4°C-7.9°C | -7.9°C | 64 | 11.5 | 9.710 h |
| February | 0.6°C-7.3°C | -7.3°C | 61 | 11.3 | 10.711 h |
| March | 4.5°C-3.7°C | -3.7°C | 93 | 14.7 | 11.912 h |
| April | 11.6°C1.9°C | 1.9°C | 92 | 14.0 | 13.213 h |
| May, selected | 18.1°C8.2°C | 8.2°C | 94 | 12.8 | 14.314 h |
| June | 21.8°C13.3°C | 13.3°C | 101 | 12.3 | 14.915 h |
| July | 24.8°C17.7°C | 17.7°C | 148 | 16.3 | 14.715 h |
| August | 25.9°C18.8°C | 18.8°C | 137 | 14.6 | 13.714 h |
| September | 21.9°C14.8°C | 14.8°C | 137 | 12.4 | 12.512 h |
| October | 15.9°C8.0°C | 8.0°C | 110 | 11.4 | 11.211 h |
| November | 9.0°C1.6°C | 1.6°C | 78 | 12.9 | 10.010 h |
| December | 2.3°C-4.5°C | -4.5°C | 77 | 13.2 | 9.49 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Hanamaki in MayJapan · 35 kmHigh 18.7°C · Low 8.6°C · 109 mm rain
- Kitakami in MayJapan · 46 kmHigh 18.7°C · Low 8.6°C · 114 mm rain
- Ōshū in MayJapan · 62 kmHigh 19.3°C · Low 9.3°C · 110 mm rain
- Daisen in MayJapan · 64 kmHigh 19.2°C · Low 8.9°C · 121 mm rain
- Yokote in MayJapan · 67 kmHigh 19.1°C · Low 8.9°C · 124 mm rain
- Ichinoseki in MayJapan · 87 kmHigh 19.3°C · Low 9.2°C · 104 mm rain
- Akita in MayJapan · 88 kmHigh 17.2°C · Low 10.0°C · 130 mm rain
- Hachinohe in MayJapan · 94 kmHigh 18.3°C · Low 9.2°C · 88 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Morioka) is explained once on the Morioka year overview and on the Sources, method and limits page.