Climate averages 1991–2020
Ōmihachiman weather
in March.
A cool, wet month: the 9th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Ōmihachiman: daytime highs average 11.8°C and nights cool to about 2.6°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 116 mm of rain on roughly 14 days, which makes March a wet month (the 5th 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 Youkaichi (9 km away). In March its highs average 11.9°C, about as warm as Ōmihachiman, with 116 mm of rain.
Among the 303 cities listed in Japan, Ōmihachiman ranks joint 206th of 303 for the warmest March highs and joint 129th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Ōmihachiman is 0.3°C warmer than that mean.
From March to April, average highs rise by 5.4°C to 17.2°C, and monthly rainfall rises from 116 mm to 123 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
Ōmihachiman climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.1°C0.0°C | 0.0°C | 81 | 13.9 | 10.110 h |
| February | 8.0°C0.0°C | 0.0°C | 78 | 13.0 | 10.911 h |
| March, selected | 11.8°C2.6°C | 2.6°C | 116 | 13.5 | 11.912 h |
| April | 17.2°C7.4°C | 7.4°C | 123 | 11.6 | 13.113 h |
| May | 21.9°C12.6°C | 12.6°C | 148 | 11.6 | 14.014 h |
| June | 25.3°C17.3°C | 17.3°C | 186 | 14.0 | 14.514 h |
| July | 28.9°C21.8°C | 21.8°C | 210 | 15.9 | 14.314 h |
| August | 30.2°C22.8°C | 22.8°C | 122 | 12.3 | 13.513 h |
| September | 26.2°C19.1°C | 19.1°C | 179 | 12.3 | 12.412 h |
| October | 20.5°C13.2°C | 13.2°C | 152 | 10.8 | 11.311 h |
| November | 15.1°C7.5°C | 7.5°C | 81 | 9.0 | 10.410 h |
| December | 9.6°C2.4°C | 2.4°C | 75 | 11.6 | 9.810 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
- Youkaichi in MarchJapan · 9 kmHigh 11.9°C · Low 2.5°C · 116 mm rain
- Moriyama in MarchJapan · 12 kmHigh 11.9°C · Low 2.7°C · 110 mm rain
- Kusatsu in MarchJapan · 17 kmHigh 12.1°C · Low 2.6°C · 110 mm rain
- Kōka in MarchJapan · 17 kmHigh 11.9°C · Low 2.4°C · 116 mm rain
- Hikone in MarchJapan · 19 kmHigh 11.0°C · Low 2.9°C · 124 mm rain
- Ōtsu in MarchJapan · 25 kmHigh 11.8°C · Low 2.3°C · 122 mm rain
- Nagahama in MarchJapan · 32 kmHigh 11.2°C · Low 2.7°C · 144 mm rain
- Kyoto in MarchJapan · 33 kmHigh 12.4°C · Low 2.8°C · 122 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 Ōmihachiman) is explained once on the Ōmihachiman year overview and on the Sources, method and limits page.