Climate averages 1991–2020
Hakodate weather
in April.
A cool, moderately wet month: the 7th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Hakodate: daytime highs average 8.9°C and nights cool to about 2.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 83 mm of rain on roughly 10 days, which makes April a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 19 min on an average April day.
The nearest other city in this atlas is Muroran (64 km away). In April its highs average 7.5°C, 1.4°C cooler than Hakodate, with 76 mm of rain.
Among the 303 cities listed in Japan, Hakodate ranks 296th of 303 for the warmest April highs and 12th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Hakodate is 7.8°C cooler than that mean.
From April to May, average highs rise by 5.0°C to 13.9°C, and monthly rainfall rises from 83 mm to 119 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
Hakodate climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.5°C-5.0°C | -5.0°C | 52 | 9.2 | 9.510 h |
| February | 0.1°C-5.1°C | -5.1°C | 52 | 8.0 | 10.611 h |
| March | 3.5°C-2.2°C | -2.2°C | 66 | 9.6 | 11.912 h |
| April, selected | 8.9°C2.4°C | 2.4°C | 83 | 9.8 | 13.313 h |
| May | 13.9°C7.7°C | 7.7°C | 119 | 11.6 | 14.515 h |
| June | 17.8°C12.6°C | 12.6°C | 121 | 11.6 | 15.215 h |
| July | 21.6°C17.3°C | 17.3°C | 178 | 14.9 | 14.915 h |
| August | 23.7°C19.7°C | 19.7°C | 206 | 14.8 | 13.914 h |
| September | 21.3°C16.9°C | 16.9°C | 185 | 12.8 | 12.513 h |
| October | 15.3°C10.4°C | 10.4°C | 114 | 11.4 | 11.111 h |
| November | 8.1°C3.3°C | 3.3°C | 87 | 11.0 | 9.910 h |
| December | 2.1°C-2.2°C | -2.2°C | 70 | 10.5 | 9.29 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
- Muroran in AprilJapan · 64 kmHigh 7.5°C · Low 1.3°C · 76 mm rain
- Aomori in AprilJapan · 107 kmHigh 12.4°C · Low 2.7°C · 86 mm rain
- Tomakomai in AprilJapan · 119 kmHigh 7.5°C · Low 1.0°C · 78 mm rain
- Hirosaki in AprilJapan · 133 kmHigh 12.0°C · Low 1.7°C · 98 mm rain
- Chitose in AprilJapan · 138 kmHigh 8.8°C · Low 0.6°C · 70 mm rain
- Eniwa in AprilJapan · 142 kmHigh 9.1°C · Low 0.0°C · 66 mm rain
- Sapporo in AprilJapan · 152 kmHigh 9.2°C · Low -0.1°C · 73 mm rain
- Hachinohe in AprilJapan · 156 kmHigh 13.0°C · Low 3.6°C · 78 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 Hakodate) is explained once on the Hakodate year overview and on the Sources, method and limits page.