Climate averages 1991–2020
Aizu-Wakamatsu weather
in April.
A cool, 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 Aizu-Wakamatsu: daytime highs average 14.0°C and nights cool to about 3.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 95 mm of rain on roughly 13 days, which makes April a wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 08 min on an average April day.
The nearest other city in this atlas is Kōriyama (40 km away). In April its highs average 14.9°C, 0.9°C warmer than Aizu-Wakamatsu, with 95 mm of rain.
Among the 303 cities listed in Japan, Aizu-Wakamatsu ranks 270th of 303 for the warmest April highs and joint 25th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Aizu-Wakamatsu is 2.8°C cooler than that mean.
From April to May, average highs rise by 6.1°C to 20.0°C, and monthly rainfall stays at 95 mm.
The annual picture
April in context
Monthly rainfall
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
Aizu-Wakamatsu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.0°C-3.6°C | -3.6°C | 99 | 18.9 | 9.910 h |
| February | 3.0°C-3.6°C | -3.6°C | 74 | 15.5 | 10.811 h |
| March | 6.6°C-1.1°C | -1.1°C | 101 | 15.5 | 11.912 h |
| April, selected | 14.0°C3.8°C | 3.8°C | 95 | 12.8 | 13.113 h |
| May | 20.0°C9.8°C | 9.8°C | 95 | 11.8 | 14.214 h |
| June | 23.4°C14.9°C | 14.9°C | 117 | 12.5 | 14.715 h |
| July | 26.6°C19.3°C | 19.3°C | 180 | 17.0 | 14.514 h |
| August | 27.8°C20.6°C | 20.6°C | 132 | 13.9 | 13.614 h |
| September | 23.5°C16.9°C | 16.9°C | 144 | 13.0 | 12.512 h |
| October | 17.6°C10.5°C | 10.5°C | 125 | 11.7 | 11.311 h |
| November | 11.6°C4.4°C | 4.4°C | 82 | 13.2 | 10.210 h |
| December | 5.2°C-0.8°C | -0.8°C | 93 | 18.1 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Kōriyama in AprilJapan · 40 kmHigh 14.9°C · Low 4.5°C · 95 mm rain
- Sukagawa in AprilJapan · 45 kmHigh 14.9°C · Low 4.5°C · 103 mm rain
- Yonezawa in AprilJapan · 49 kmHigh 13.1°C · Low 3.2°C · 115 mm rain
- Fukushima in AprilJapan · 54 kmHigh 15.5°C · Low 4.2°C · 99 mm rain
- Nasushiobara in AprilJapan · 58 kmHigh 15.3°C · Low 4.8°C · 130 mm rain
- Ōtawara in AprilJapan · 70 kmHigh 15.7°C · Low 4.9°C · 121 mm rain
- Shibata in AprilJapan · 74 kmHigh 14.7°C · Low 4.8°C · 115 mm rain
- Nikkō in AprilJapan · 87 kmHigh 14.3°C · Low 3.7°C · 137 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 Aizu-Wakamatsu) is explained once on the Aizu-Wakamatsu year overview and on the Sources, method and limits page.