Climate averages 1991–2020
Ishinomaki weather
in April.
A cool, wet month: the 8th 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 Ishinomaki: daytime highs average 12.7°C and nights cool to about 6.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 91 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 10 min on an average April day.
The nearest other city in this atlas is Ōsaki (34 km away). In April its highs average 14.6°C, 1.9°C warmer than Ishinomaki, with 97 mm of rain.
Among the 303 cities listed in Japan, Ishinomaki ranks joint 284th of 303 for the warmest April highs and joint 18th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Ishinomaki is 4.0°C cooler than that mean.
From April to May, average highs rise by 4.3°C to 17.0°C, and monthly rainfall rises from 91 mm to 100 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
Ishinomaki climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.7°C0.0°C | 0.0°C | 52 | 7.7 | 9.810 h |
| February | 5.2°C-0.2°C | -0.2°C | 43 | 7.0 | 10.711 h |
| March | 8.1°C2.1°C | 2.1°C | 85 | 10.2 | 11.912 h |
| April, selected | 12.7°C6.6°C | 6.6°C | 91 | 10.8 | 13.213 h |
| May | 17.0°C11.5°C | 11.5°C | 100 | 10.2 | 14.214 h |
| June | 20.2°C15.7°C | 15.7°C | 115 | 10.8 | 14.815 h |
| July | 23.7°C19.8°C | 19.8°C | 162 | 14.7 | 14.615 h |
| August | 25.6°C21.8°C | 21.8°C | 131 | 12.3 | 13.714 h |
| September | 23.1°C19.2°C | 19.2°C | 151 | 12.6 | 12.512 h |
| October | 18.2°C13.6°C | 13.6°C | 140 | 9.9 | 11.211 h |
| November | 12.9°C7.6°C | 7.6°C | 64 | 7.7 | 10.110 h |
| December | 7.5°C2.6°C | 2.6°C | 56 | 8.8 | 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
- Ōsaki in AprilJapan · 34 kmHigh 14.6°C · Low 3.9°C · 97 mm rain
- Tome in AprilJapan · 35 kmHigh 14.4°C · Low 4.3°C · 88 mm rain
- Sendai in AprilJapan · 41 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
- Ichinoseki in AprilJapan · 57 kmHigh 14.3°C · Low 3.5°C · 92 mm rain
- Ōshū in AprilJapan · 81 kmHigh 14.1°C · Low 3.6°C · 98 mm rain
- Yamagata in AprilJapan · 84 kmHigh 12.8°C · Low 2.0°C · 94 mm rain
- Kitakami in AprilJapan · 98 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 Ishinomaki) is explained once on the Ishinomaki year overview and on the Sources, method and limits page.