Niigata weather in January
January is one of the least pleasant months in Niigata: highs of 6°C (43°F) and about 166 mm (6.5 in) of rain on average. Nights average 4°C (38°F) and cloud cover 89% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 2nd coolest. Compared with December, it is cooler and drier; February brings highs of 6°C (43°F) and 105 mm (4.1 in) of rain.
Figures are long-term averages for Niigata, the largest city in Niigata. See below for other places.
Is January a good time to visit Niigata?
least pleasant month Weather score 15/100.
January is one of the least pleasant months for weather in Niigata. For better conditions, consider May–Jun, Aug–Oct.
Does it rain a lot in Niigata in January?
Yes, it is one of the rainy months: about 166 mm (6.5 in) falls in an average January. It is the 4th wettest month of the year.
How warm is Niigata in January?
Days average 6°C (43°F) and nights 4°C (38°F).
Niigata weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 6°C (43°F) | 4°C (38°F) | 166 mm | 89% | least pleasant |
| February | 6°C (43°F) | 3°C (38°F) | 105 mm | 85% | least pleasant |
| March | 8°C (47°F) | 5°C (41°F) | 107 mm | 80% | fair |
| April | 12°C (54°F) | 9°C (47°F) | 95 mm | 74% | fair |
| May | 17°C (63°F) | 13°C (56°F) | 85 mm | 72% | best |
| June | 22°C (71°F) | 18°C (65°F) | 113 mm | 79% | best |
| July | 25°C (78°F) | 22°C (72°F) | 213 mm | 82% | fair |
| August | 28°C (82°F) | 25°C (76°F) | 145 mm | 72% | best |
| September | 25°C (76°F) | 22°C (71°F) | 141 mm | 75% | best |
| October | 19°C (67°F) | 17°C (62°F) | 151 mm | 75% | best |
| November | 14°C (58°F) | 11°C (52°F) | 168 mm | 78% | fair |
| December | 9°C (49°F) | 6°C (43°F) | 215 mm | 87% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Niigata in January
Weather can differ a lot within Niigata: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Niigata | 6°C (43°F) | 4°C (38°F) | 166 mm | least pleasant |
| Nagaoka | 4°C (39°F) | 1°C (33°F) | 205 mm | least pleasant |
| Jōetsu | 2°C (36°F) | -3°C (27°F) | 185 mm | least pleasant |
| Shibata | 3°C (37°F) | -1°C (30°F) | 150 mm | least pleasant |
| Sanjō | 4°C (39°F) | 1°C (33°F) | 205 mm | least pleasant |
| Kashiwazaki | 4°C (39°F) | 1°C (33°F) | 205 mm | least pleasant |
| Tsubame | 4°C (39°F) | 1°C (33°F) | 205 mm | least pleasant |
| Niitsu-honchō | 3°C (37°F) | -1°C (30°F) | 150 mm | least pleasant |
| Murakami | 3°C (37°F) | -1°C (30°F) | 150 mm | least pleasant |
| Minamiuonuma | -1°C (30°F) | -6°C (21°F) | 194 mm | least pleasant |
| Tōkamachi | -1°C (30°F) | -6°C (21°F) | 194 mm | least pleasant |
| Sado | 6°C (43°F) | 3°C (38°F) | 165 mm | least pleasant |