Climate averages 1991–2020
Yamagata weather
in April.
A cool, wet month: the 7th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Yamagata: daytime highs average 12.8°C and nights cool to about 2.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 94 mm of rain on roughly 14 days, which makes April a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 10 min on an average April day.
The nearest other city in this atlas is Yonezawa (42 km away). In April its highs average 13.1°C, about as warm as Yamagata, with 115 mm of rain.
Among the 303 cities listed in Japan, Yamagata ranks 283rd of 303 for the warmest April highs and joint 22nd of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Yamagata is 3.9°C cooler than that mean.
From April to May, average highs rise by 6.4°C to 19.2°C, and monthly rainfall falls from 94 mm to 91 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
Yamagata climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.8°C-6.4°C | -6.4°C | 126 | 21.8 | 9.810 h |
| February | 1.8°C-6.0°C | -6.0°C | 91 | 18.1 | 10.711 h |
| March | 5.6°C-3.1°C | -3.1°C | 109 | 16.9 | 11.912 h |
| April, selected | 12.8°C2.0°C | 2.0°C | 94 | 13.7 | 13.213 h |
| May | 19.2°C8.4°C | 8.4°C | 91 | 11.9 | 14.214 h |
| June | 22.6°C13.8°C | 13.8°C | 119 | 12.5 | 14.815 h |
| July | 25.7°C18.4°C | 18.4°C | 189 | 17.4 | 14.515 h |
| August | 26.9°C19.5°C | 19.5°C | 146 | 14.8 | 13.614 h |
| September | 22.8°C15.5°C | 15.5°C | 125 | 13.0 | 12.512 h |
| October | 16.9°C8.7°C | 8.7°C | 118 | 12.4 | 11.211 h |
| November | 10.6°C2.2°C | 2.2°C | 95 | 15.3 | 10.110 h |
| December | 3.9°C-3.0°C | -3.0°C | 120 | 20.0 | 9.610 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
- Yonezawa in AprilJapan · 42 kmHigh 13.1°C · Low 3.2°C · 115 mm rain
- Sendai in AprilJapan · 44 kmHigh 13.8°C · Low 4.7°C · 94 mm rain
- Natori-shi in AprilJapan · 46 kmHigh 13.7°C · Low 5.7°C · 100 mm rain
- Fukushima in AprilJapan · 54 kmHigh 15.5°C · Low 4.2°C · 99 mm rain
- Ōsaki in AprilJapan · 66 kmHigh 14.6°C · Low 3.9°C · 97 mm rain
- Tsuruoka in AprilJapan · 72 kmHigh 12.9°C · Low 5.6°C · 132 mm rain
- Ishinomaki in AprilJapan · 84 kmHigh 12.7°C · Low 6.6°C · 91 mm rain
- Tome in AprilJapan · 87 kmHigh 14.4°C · Low 4.3°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 Yamagata) is explained once on the Yamagata year overview and on the Sources, method and limits page.