Climate averages 1991–2020
Kirishima weather
in April.
A mild, very wet month: the 7th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Kirishima: daytime highs average 20.6°C and nights cool to about 11.1°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 181 mm of rain on roughly 12 days, which makes April a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average April day.
The nearest other city in this atlas is Aira (17 km away). In April its highs average 19.5°C, 1.0°C cooler than Kirishima, with 182 mm of rain.
Among the 303 cities listed in Japan, Kirishima ranks 4th of 303 for the warmest April highs and 289th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Kirishima is 3.8°C warmer than that mean.
From April to May, average highs rise by 3.9°C to 24.5°C, and monthly rainfall rises from 181 mm to 205 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
Kirishima climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.2°C3.1°C | 3.1°C | 80 | 8.3 | 10.310 h |
| February | 12.7°C3.9°C | 3.9°C | 104 | 9.1 | 11.011 h |
| March | 16.1°C6.8°C | 6.8°C | 157 | 12.9 | 12.012 h |
| April, selected | 20.6°C11.1°C | 11.1°C | 181 | 11.8 | 12.913 h |
| May | 24.5°C15.8°C | 15.8°C | 205 | 11.7 | 13.814 h |
| June | 26.7°C20.2°C | 20.2°C | 488 | 19.9 | 14.214 h |
| July | 30.4°C24.2°C | 24.2°C | 299 | 19.3 | 14.014 h |
| August | 31.1°C24.7°C | 24.7°C | 174 | 18.3 | 13.313 h |
| September | 28.7°C21.9°C | 21.9°C | 202 | 15.0 | 12.412 h |
| October | 24.2°C16.2°C | 16.2°C | 114 | 9.0 | 11.411 h |
| November | 18.8°C10.3°C | 10.3°C | 107 | 8.2 | 10.611 h |
| December | 13.4°C5.1°C | 5.1°C | 81 | 7.1 | 10.110 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
- Aira in AprilJapan · 17 kmHigh 19.5°C · Low 10.8°C · 182 mm rain
- Kagoshima in AprilJapan · 28 kmHigh 19.6°C · Low 12.3°C · 176 mm rain
- Miyakonojō in AprilJapan · 29 kmHigh 19.9°C · Low 11.0°C · 182 mm rain
- Kanoya in AprilJapan · 41 kmHigh 20.0°C · Low 12.0°C · 182 mm rain
- Sendai, Japan in AprilJapan · 45 kmHigh 19.1°C · Low 12.8°C · 186 mm rain
- Miyazaki in AprilJapan · 65 kmHigh 19.5°C · Low 12.7°C · 175 mm rain
- Honmachi in AprilJapan · 86 kmHigh 19.5°C · Low 11.4°C · 151 mm rain
- Amakusa in AprilJapan · 96 kmHigh 19.2°C · Low 12.0°C · 152 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 Kirishima) is explained once on the Kirishima year overview and on the Sources, method and limits page.