Climate averages 1991–2020
Aomori weather
in April.
A cool, moderately wet month: the 7th warmest and the joint 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Aomori: daytime highs average 12.4°C and nights cool to about 2.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 86 mm of rain on roughly 14 days, which makes April a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 16 min on an average April day.
The nearest other city in this atlas is Hirosaki (33 km away). In April its highs average 12.0°C, about as warm as Aomori, with 98 mm of rain.
Among the 303 cities listed in Japan, Aomori ranks 287th of 303 for the warmest April highs and 15th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Aomori is 4.3°C cooler than that mean.
From April to May, average highs rise by 6.1°C to 18.5°C, and monthly rainfall rises from 86 mm to 101 mm.
The annual picture
April 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
Aomori climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.1°C-6.3°C | -6.3°C | 65 | 13.3 | 9.610 h |
| February | 0.8°C-5.9°C | -5.9°C | 66 | 13.1 | 10.611 h |
| March | 4.7°C-3.1°C | -3.1°C | 86 | 15.1 | 11.912 h |
| April, selected | 12.4°C2.7°C | 2.7°C | 86 | 13.5 | 13.313 h |
| May | 18.5°C8.7°C | 8.7°C | 101 | 12.9 | 14.414 h |
| June | 22.4°C13.7°C | 13.7°C | 104 | 12.4 | 15.015 h |
| July | 25.6°C18.4°C | 18.4°C | 158 | 15.3 | 14.815 h |
| August | 26.7°C19.7°C | 19.7°C | 169 | 15.5 | 13.814 h |
| September | 22.9°C15.8°C | 15.8°C | 145 | 13.0 | 12.513 h |
| October | 16.6°C9.1°C | 9.1°C | 112 | 13.0 | 11.211 h |
| November | 9.5°C2.7°C | 2.7°C | 87 | 14.6 | 10.010 h |
| December | 2.6°C-3.4°C | -3.4°C | 82 | 14.6 | 9.39 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
April in nearby cities
- Hirosaki in AprilJapan · 33 kmHigh 12.0°C · Low 1.7°C · 98 mm rain
- Hachinohe in AprilJapan · 74 kmHigh 13.0°C · Low 3.6°C · 78 mm rain
- Hakodate in AprilJapan · 107 kmHigh 8.9°C · Low 2.4°C · 83 mm rain
- Morioka in AprilJapan · 129 kmHigh 11.6°C · Low 1.9°C · 92 mm rain
- Akita in AprilJapan · 133 kmHigh 11.9°C · Low 4.7°C · 111 mm rain
- Daisen in AprilJapan · 154 kmHigh 13.2°C · Low 2.9°C · 112 mm rain
- Hanamaki in AprilJapan · 163 kmHigh 13.1°C · Low 2.7°C · 105 mm rain
- Yokote in AprilJapan · 167 kmHigh 13.0°C · Low 2.7°C · 115 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 Aomori) is explained once on the Aomori year overview and on the Sources, method and limits page.