Climate averages 1991–2020
Shūnan 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 Shūnan: daytime highs average 11.3°C and nights cool to about 3.4°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 124 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 Hōfu (24 km away). In March its highs average 13.3°C, 1.9°C warmer than Shūnan, with 123 mm of rain.
Among the 303 cities listed in Japan, Shūnan ranks joint 222nd of 303 for the warmest March highs and joint 176th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Shūnan is 0.2°C cooler than that mean.
From March to April, average highs rise by 4.9°C to 16.2°C, and monthly rainfall rises from 124 mm to 147 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
Shūnan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.6°C0.8°C | 0.8°C | 61 | 9.3 | 10.210 h |
| February | 7.8°C0.8°C | 0.8°C | 78 | 9.7 | 10.911 h |
| March, selected | 11.3°C3.4°C | 3.4°C | 124 | 10.7 | 12.012 h |
| April | 16.2°C7.9°C | 7.9°C | 147 | 10.2 | 13.013 h |
| May | 20.5°C12.8°C | 12.8°C | 169 | 10.1 | 13.914 h |
| June | 23.6°C17.2°C | 17.2°C | 264 | 14.3 | 14.414 h |
| July | 27.1°C21.5°C | 21.5°C | 259 | 14.6 | 14.214 h |
| August | 28.3°C22.6°C | 22.6°C | 147 | 12.7 | 13.413 h |
| September | 25.1°C19.0°C | 19.0°C | 169 | 11.5 | 12.412 h |
| October | 20.1°C13.4°C | 13.4°C | 113 | 7.7 | 11.411 h |
| November | 14.5°C8.0°C | 8.0°C | 78 | 8.1 | 10.410 h |
| December | 8.9°C3.0°C | 3.0°C | 69 | 9.8 | 9.910 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
- Hōfu in MarchJapan · 24 kmHigh 13.3°C · Low 5.1°C · 123 mm rain
- Yamaguchi in MarchJapan · 35 kmHigh 12.7°C · Low 4.0°C · 117 mm rain
- Iwakuni in MarchJapan · 37 kmHigh 13.0°C · Low 5.3°C · 116 mm rain
- Ube in MarchJapan · 55 kmHigh 12.5°C · Low 6.3°C · 133 mm rain
- Hatsukaichi in MarchJapan · 55 kmHigh 13.4°C · Low 4.5°C · 116 mm rain
- Hiroshima in MarchJapan · 67 kmHigh 13.1°C · Low 3.9°C · 110 mm rain
- Kure in MarchJapan · 70 kmHigh 11.9°C · Low 5.9°C · 116 mm rain
- Nakatsu in MarchJapan · 80 kmHigh 13.7°C · Low 5.3°C · 112 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 Shūnan) is explained once on the Shūnan year overview and on the Sources, method and limits page.