Climate averages 1991–2020
Ōsaki weather
in April.
A cool, wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Ōsaki: daytime highs average 14.6°C and nights cool to about 3.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 97 mm of rain on roughly 11 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 11 min on an average April day.
The nearest other city in this atlas is Tome (21 km away). In April its highs average 14.4°C, about as warm as Ōsaki, with 88 mm of rain.
Among the 303 cities listed in Japan, Ōsaki ranks joint 263rd of 303 for the warmest April highs and joint 27th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Ōsaki is 2.2°C cooler than that mean.
From April to May, average highs rise by 5.0°C to 19.6°C, and monthly rainfall rises from 97 mm to 109 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
Ōsaki climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.6°C-4.2°C | -4.2°C | 56 | 9.2 | 9.810 h |
| February | 4.5°C-4.2°C | -4.2°C | 48 | 8.2 | 10.711 h |
| March | 8.6°C-1.3°C | -1.3°C | 89 | 11.0 | 11.912 h |
| April, selected | 14.6°C3.9°C | 3.9°C | 97 | 11.4 | 13.213 h |
| May | 19.6°C9.8°C | 9.8°C | 109 | 11.4 | 14.314 h |
| June | 22.6°C14.6°C | 14.6°C | 132 | 12.8 | 14.815 h |
| July | 25.8°C19.0°C | 19.0°C | 188 | 16.7 | 14.615 h |
| August | 27.2°C20.4°C | 20.4°C | 165 | 15.5 | 13.714 h |
| September | 23.6°C16.7°C | 16.7°C | 168 | 14.0 | 12.512 h |
| October | 18.2°C9.9°C | 9.9°C | 141 | 10.7 | 11.211 h |
| November | 12.2°C3.4°C | 3.4°C | 65 | 8.5 | 10.110 h |
| December | 6.2°C-1.5°C | -1.5°C | 58 | 9.6 | 9.510 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
- Tome in AprilJapan · 21 kmHigh 14.4°C · Low 4.3°C · 88 mm rain
- Ishinomaki in AprilJapan · 34 kmHigh 12.7°C · Low 6.6°C · 91 mm rain
- Sendai in AprilJapan · 37 kmHigh 13.8°C · Low 4.7°C · 94 mm rain
- Ichinoseki in AprilJapan · 39 kmHigh 14.3°C · Low 3.5°C · 92 mm rain
- Natori-shi in AprilJapan · 48 kmHigh 13.7°C · Low 5.7°C · 100 mm rain
- Ōshū in AprilJapan · 64 kmHigh 14.1°C · Low 3.6°C · 98 mm rain
- Yamagata in AprilJapan · 66 kmHigh 12.8°C · Low 2.0°C · 94 mm rain
- Kitakami in AprilJapan · 78 kmHigh 13.3°C · Low 2.8°C · 104 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 Ōsaki) is explained once on the Ōsaki year overview and on the Sources, method and limits page.