Climate averages 1991–2020
Ōmura 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 Ōmura: daytime highs average 13.8°C and nights cool to about 8.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 131 mm of rain on roughly 11 days, which makes March a wet month (the 6th 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 Isahaya (12 km away). In March its highs average 13.2°C, 0.6°C cooler than Ōmura, with 149 mm of rain.
Among the 303 cities listed in Japan, Ōmura ranks joint 24th of 303 for the warmest March highs and joint 216th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Ōmura is 2.3°C warmer than that mean.
From March to April, average highs rise by 4.4°C to 18.2°C, and monthly rainfall rises from 131 mm to 150 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
Ōmura climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C5.7°C | 5.7°C | 63 | 7.9 | 10.210 h |
| February | 10.7°C5.9°C | 5.9°C | 85 | 8.6 | 11.011 h |
| March, selected | 13.8°C8.3°C | 8.3°C | 131 | 11.0 | 12.012 h |
| April | 18.2°C12.1°C | 12.1°C | 150 | 10.8 | 13.013 h |
| May | 22.2°C16.4°C | 16.4°C | 173 | 10.6 | 13.814 h |
| June | 25.0°C20.3°C | 20.3°C | 381 | 16.0 | 14.314 h |
| July | 28.4°C24.4°C | 24.4°C | 309 | 17.0 | 14.114 h |
| August | 29.9°C25.5°C | 25.5°C | 179 | 15.0 | 13.413 h |
| September | 27.2°C22.5°C | 22.5°C | 188 | 11.5 | 12.412 h |
| October | 22.5°C17.8°C | 17.8°C | 109 | 7.0 | 11.411 h |
| November | 17.2°C12.8°C | 12.8°C | 94 | 7.7 | 10.510 h |
| December | 12.0°C8.0°C | 8.0°C | 75 | 7.7 | 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
- Isahaya in MarchJapan · 12 kmHigh 13.2°C · Low 7.9°C · 149 mm rain
- Nagasaki in MarchJapan · 20 kmHigh 13.5°C · Low 8.9°C · 149 mm rain
- Sasebo in MarchJapan · 35 kmHigh 13.7°C · Low 7.7°C · 118 mm rain
- Saga in MarchJapan · 47 kmHigh 13.7°C · Low 5.4°C · 125 mm rain
- Ōmuta in MarchJapan · 48 kmHigh 13.9°C · Low 6.4°C · 128 mm rain
- Amakusa in MarchJapan · 56 kmHigh 14.7°C · Low 8.1°C · 131 mm rain
- Karatsu in MarchJapan · 58 kmHigh 13.6°C · Low 7.1°C · 124 mm rain
- Kurume in MarchJapan · 68 kmHigh 14.0°C · Low 4.4°C · 128 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 Ōmura) is explained once on the Ōmura year overview and on the Sources, method and limits page.