Climate averages 1991–2020
Jōetsu 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 Jōetsu: daytime highs average 8.3°C and nights cool to about 0.6°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 145 mm of rain on roughly 20 days, which makes March a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average March day.
The nearest other city in this atlas is Kashiwazaki (37 km away). In March its highs average 8.8°C, 0.5°C warmer than Jōetsu, with 142 mm of rain.
Among the 303 cities listed in Japan, Jōetsu ranks 265th of 303 for the warmest March highs and joint 248th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Jōetsu is 3.2°C cooler than that mean.
From March to April, average highs rise by 6.9°C to 15.2°C, and monthly rainfall falls from 145 mm to 97 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
Jōetsu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.1°C-1.1°C | -1.1°C | 254 | 26.0 | 9.910 h |
| February | 4.6°C-1.3°C | -1.3°C | 179 | 21.4 | 10.811 h |
| March, selected | 8.3°C0.6°C | 0.6°C | 145 | 19.6 | 11.912 h |
| April | 15.2°C5.4°C | 5.4°C | 97 | 13.4 | 13.113 h |
| May | 21.0°C11.5°C | 11.5°C | 92 | 11.6 | 14.114 h |
| June | 24.4°C16.4°C | 16.4°C | 115 | 11.5 | 14.715 h |
| July | 27.8°C20.9°C | 20.9°C | 191 | 14.4 | 14.414 h |
| August | 29.3°C22.2°C | 22.2°C | 122 | 12.1 | 13.614 h |
| September | 25.2°C18.4°C | 18.4°C | 162 | 14.1 | 12.512 h |
| October | 19.6°C12.4°C | 12.4°C | 164 | 15.1 | 11.311 h |
| November | 13.7°C6.4°C | 6.4°C | 180 | 18.5 | 10.210 h |
| December | 7.4°C1.2°C | 1.2°C | 247 | 24.2 | 9.710 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
- Kashiwazaki in MarchJapan · 37 kmHigh 8.8°C · Low 0.2°C · 142 mm rain
- Nagano in MarchJapan · 56 kmHigh 7.1°C · Low -1.5°C · 138 mm rain
- Nagaoka in MarchJapan · 64 kmHigh 8.9°C · Low -0.4°C · 126 mm rain
- Sanjō in MarchJapan · 82 kmHigh 9.0°C · Low 0.0°C · 150 mm rain
- Ueda in MarchJapan · 83 kmHigh 8.8°C · Low -1.0°C · 118 mm rain
- Tsubame in MarchJapan · 84 kmHigh 8.9°C · Low 1.0°C · 121 mm rain
- Shibukawa in MarchJapan · 100 kmHigh 10.2°C · Low 0.5°C · 118 mm rain
- Azumino in MarchJapan · 101 kmHigh 7.1°C · Low -1.7°C · 155 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 Jōetsu) is explained once on the Jōetsu year overview and on the Sources, method and limits page.