Niigata weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: May – July, September – October
What is the weather like in Niigata in March?
In March, Niigata is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sea averages 9.8 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. It rains often – on about 19 days, adding up to 122 mm. Snow falls on about 4 days. All in all, March is not an ideal month for a holiday in Niigata.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 0 | 9 | 52 |
| Day | 5° | 9° | 15° |
| Night | −1° | 1° | 6° |
| Sea | 11° | 10° | 11° |
| Sun | 3 h | 4 h | 6 h |
| Rain days | 20 | 19 | 14 |
More details for March
- Daylight
- 11 h 53 min05:57 – 17:50
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 68 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 4 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %9 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Sunscreen
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Niigata in March: quick answers
Is Niigata hot in March?
No. In March, Niigata is cold: daytime highs average 9 °C and nights drop to about 1 °C.
Can you swim in Niigata in March?
Only if you don't mind cold water: in March the sea averages just 9.8 °C. Comfortable swimming is possible from July to October.
Does it rain much in Niigata in March?
It rains often – on about 19 days, adding up to 122 mm.
Niigata month by month
The whole year in NiigataAll destinations: JapanWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences