Climate averages 1991–2020
Kashiwazaki weather
in January.
A cold, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Kashiwazaki: daytime highs average 4.1°C and nights cool to about -1.6°C. By daytime temperature it is the coolest month of the year.
Expect about 216 mm of rain on roughly 26 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 54 min on an average January day.
The nearest other city in this atlas is Nagaoka (28 km away). In January its highs average 3.8°C, about as warm as Kashiwazaki, with 179 mm of rain.
Among the 303 cities listed in Japan, Kashiwazaki ranks joint 252nd of 303 for the warmest January highs and 297th of 303 for the driest January (rainfall, lowest first). The mean January high of those 303 cities is 7.0°C; Kashiwazaki is 2.9°C cooler than that mean.
From January to February, average highs rise by 0.5°C to 4.5°C, and monthly rainfall falls from 216 mm to 157 mm.
The annual picture
January 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
Kashiwazaki climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 4.1°C-1.6°C | -1.6°C | 216 | 25.6 | 9.910 h |
| February | 4.5°C-1.9°C | -1.9°C | 157 | 21.3 | 10.811 h |
| March | 8.8°C0.2°C | 0.2°C | 142 | 20.0 | 11.912 h |
| April | 15.6°C5.4°C | 5.4°C | 104 | 14.5 | 13.113 h |
| May | 21.2°C11.1°C | 11.1°C | 104 | 12.9 | 14.214 h |
| June | 24.8°C16.1°C | 16.1°C | 126 | 13.5 | 14.715 h |
| July | 28.0°C20.7°C | 20.7°C | 212 | 16.9 | 14.514 h |
| August | 29.6°C22.0°C | 22.0°C | 145 | 14.5 | 13.614 h |
| September | 25.4°C18.2°C | 18.2°C | 163 | 14.9 | 12.512 h |
| October | 19.5°C12.0°C | 12.0°C | 159 | 15.3 | 11.311 h |
| November | 13.5°C6.0°C | 6.0°C | 159 | 18.2 | 10.210 h |
| December | 7.4°C0.8°C | 0.8°C | 208 | 23.7 | 9.610 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
January in nearby cities
- Nagaoka in JanuaryJapan · 28 kmHigh 3.8°C · Low -2.5°C · 179 mm rain
- Jōetsu in JanuaryJapan · 37 kmHigh 4.1°C · Low -1.1°C · 254 mm rain
- Sanjō in JanuaryJapan · 45 kmHigh 3.9°C · Low -2.0°C · 206 mm rain
- Tsubame in JanuaryJapan · 47 kmHigh 4.0°C · Low -0.9°C · 172 mm rain
- Niigata in JanuaryJapan · 75 kmHigh 4.2°C · Low 0.0°C · 178 mm rain
- Nagano in JanuaryJapan · 86 kmHigh 2.1°C · Low -4.7°C · 148 mm rain
- Shibata in JanuaryJapan · 95 kmHigh 3.1°C · Low -2.1°C · 217 mm rain
- Shibukawa in JanuaryJapan · 106 kmHigh 5.2°C · Low -3.3°C · 68 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 Kashiwazaki) is explained once on the Kashiwazaki year overview and on the Sources, method and limits page.