Climate averages 1991–2020
Kumamoto weather
in March.
A cool, wet month: the 9th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Kumamoto: daytime highs average 14.0°C and nights cool to about 6.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 142 mm of rain on roughly 13 days, which makes March a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.
The nearest other city in this atlas is Ōmuta (34 km away). In March its highs average 13.9°C, about as warm as Kumamoto, with 128 mm of rain.
Among the 303 cities listed in Japan, Kumamoto ranks joint 17th of 303 for the warmest March highs and joint 243rd of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Kumamoto is 2.5°C warmer than that mean.
From March to April, average highs rise by 4.9°C to 18.8°C, and monthly rainfall rises from 142 mm to 154 mm.
The annual picture
March 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
Kumamoto climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.0°C3.0°C | 3.0°C | 78 | 10.6 | 10.310 h |
| February | 10.5°C3.4°C | 3.4°C | 99 | 10.4 | 11.011 h |
| March, selected | 14.0°C6.1°C | 6.1°C | 142 | 13.0 | 12.012 h |
| April | 18.8°C10.5°C | 10.5°C | 154 | 12.1 | 13.013 h |
| May | 23.2°C15.2°C | 15.2°C | 178 | 11.9 | 13.814 h |
| June | 25.7°C19.4°C | 19.4°C | 403 | 17.0 | 14.314 h |
| July | 29.0°C23.2°C | 23.2°C | 301 | 16.2 | 14.114 h |
| August | 30.4°C24.0°C | 24.0°C | 135 | 13.0 | 13.413 h |
| September | 27.5°C20.8°C | 20.8°C | 156 | 11.7 | 12.412 h |
| October | 22.5°C15.1°C | 15.1°C | 98 | 8.3 | 11.411 h |
| November | 16.9°C9.7°C | 9.7°C | 92 | 8.8 | 10.511 h |
| December | 11.2°C4.9°C | 4.9°C | 84 | 10.0 | 10.010 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
March in nearby cities
- Ōmuta in MarchJapan · 34 kmHigh 13.9°C · Low 6.4°C · 128 mm rain
- Honmachi in MarchJapan · 35 kmHigh 14.6°C · Low 6.9°C · 133 mm rain
- Kurume in MarchJapan · 59 kmHigh 14.0°C · Low 4.4°C · 128 mm rain
- Saga in MarchJapan · 60 kmHigh 13.7°C · Low 5.4°C · 125 mm rain
- Amakusa in MarchJapan · 61 kmHigh 14.7°C · Low 8.1°C · 131 mm rain
- Isahaya in MarchJapan · 61 kmHigh 13.2°C · Low 7.9°C · 149 mm rain
- Tosu in MarchJapan · 64 kmHigh 13.9°C · Low 4.3°C · 128 mm rain
- Ōmura in MarchJapan · 70 kmHigh 13.8°C · Low 8.3°C · 131 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 Kumamoto) is explained once on the Kumamoto year overview and on the Sources, method and limits page.