Climate averages 1991–2020
Jōetsu weather
in February.
A cold, wet month: the 11th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a cold month in Jōetsu: daytime highs average 4.6°C and nights cool to about -1.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 179 mm of rain on roughly 21 days, which makes February a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 48 min on an average February day.
The nearest other city in this atlas is Kashiwazaki (37 km away). In February its highs average 4.5°C, about as warm as Jōetsu, with 157 mm of rain.
Among the 303 cities listed in Japan, Jōetsu ranks joint 258th of 303 for the warmest February highs and 302nd of 303 for the driest February (rainfall, lowest first). The mean February high of those 303 cities is 7.9°C; Jōetsu is 3.3°C cooler than that mean.
From February to March, average highs rise by 3.7°C to 8.3°C, and monthly rainfall falls from 179 mm to 145 mm.
The annual picture
February 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, selected | 4.6°C-1.3°C | -1.3°C | 179 | 21.4 | 10.811 h |
| March | 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
February in nearby cities
- Kashiwazaki in FebruaryJapan · 37 kmHigh 4.5°C · Low -1.9°C · 157 mm rain
- Nagano in FebruaryJapan · 56 kmHigh 3.2°C · Low -4.4°C · 121 mm rain
- Nagaoka in FebruaryJapan · 64 kmHigh 4.5°C · Low -2.7°C · 127 mm rain
- Sanjō in FebruaryJapan · 82 kmHigh 4.6°C · Low -2.4°C · 151 mm rain
- Ueda in FebruaryJapan · 83 kmHigh 4.5°C · Low -4.4°C · 85 mm rain
- Tsubame in FebruaryJapan · 84 kmHigh 4.7°C · Low -1.4°C · 118 mm rain
- Shibukawa in FebruaryJapan · 100 kmHigh 6.1°C · Low -3.2°C · 69 mm rain
- Azumino in FebruaryJapan · 101 kmHigh 2.9°C · Low -5.8°C · 100 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.