Climate averages 1991–2020
Honmachi weather
in March.
A cool, wet month: the 9th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Honmachi: daytime highs average 14.6°C and nights cool to about 6.9°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 133 mm of rain on roughly 12 days, which makes March a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average March day.
The nearest other city in this atlas is Kumamoto (35 km away). In March its highs average 14.0°C, 0.7°C cooler than Honmachi, with 142 mm of rain.
Among the 303 cities listed in Japan, Honmachi ranks 14th of 303 for the warmest March highs and joint 219th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Honmachi is 3.2°C warmer than that mean.
From March to April, average highs rise by 4.8°C to 19.5°C, and monthly rainfall rises from 133 mm to 151 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
Honmachi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C3.2°C | 3.2°C | 73 | 9.4 | 10.310 h |
| February | 11.1°C3.8°C | 3.8°C | 92 | 10.0 | 11.011 h |
| March, selected | 14.6°C6.9°C | 6.9°C | 133 | 12.4 | 12.012 h |
| April | 19.5°C11.4°C | 11.4°C | 151 | 11.8 | 13.013 h |
| May | 23.8°C16.1°C | 16.1°C | 174 | 11.8 | 13.814 h |
| June | 26.2°C20.2°C | 20.2°C | 428 | 18.3 | 14.214 h |
| July | 29.5°C23.9°C | 23.9°C | 347 | 18.2 | 14.114 h |
| August | 30.8°C24.6°C | 24.6°C | 162 | 16.1 | 13.313 h |
| September | 27.9°C21.5°C | 21.5°C | 174 | 13.2 | 12.412 h |
| October | 23.0°C15.8°C | 15.8°C | 100 | 8.2 | 11.411 h |
| November | 17.4°C10.3°C | 10.3°C | 96 | 8.8 | 10.511 h |
| December | 11.8°C5.1°C | 5.1°C | 83 | 9.0 | 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
March in nearby cities
- Kumamoto in MarchJapan · 35 kmHigh 14.0°C · Low 6.1°C · 142 mm rain
- Amakusa in MarchJapan · 38 kmHigh 14.7°C · Low 8.1°C · 131 mm rain
- Ōmuta in MarchJapan · 60 kmHigh 13.9°C · Low 6.4°C · 128 mm rain
- Isahaya in MarchJapan · 64 kmHigh 13.2°C · Low 7.9°C · 149 mm rain
- Nagasaki in MarchJapan · 72 kmHigh 13.5°C · Low 8.9°C · 149 mm rain
- Ōmura in MarchJapan · 76 kmHigh 13.8°C · Low 8.3°C · 131 mm rain
- Aira in MarchJapan · 81 kmHigh 15.1°C · Low 6.8°C · 153 mm rain
- Sendai, Japan in MarchJapan · 82 kmHigh 15.0°C · Low 9.2°C · 161 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 Honmachi) is explained once on the Honmachi year overview and on the Sources, method and limits page.