Niigata weather in April
April is a fair month to visit Niigata: highs of 12°C (54°F) and about 95 mm (3.7 in) of rain on average. Nights average 9°C (47°F) and cloud cover 74% (NASA POWER, 2001–2025 averages). The sea averages 12°C (54°F). It is the 2nd driest month of the year and the 5th coolest. Compared with March, it is warmer and about as wet; May brings highs of 17°C (63°F) and 85 mm (3.3 in) of rain.
Figures are long-term averages for Niigata, the largest city in Niigata. See below for other places.
Is April a good time to visit Niigata?
fair month Weather score 47/100.
April is a fair month in Niigata. The weather is usually best in May–Jun, Aug–Oct.
Does it rain a lot in Niigata in April?
Some rain is normal: about 95 mm (3.7 in) falls in an average April. It is the 2nd driest month of the year.
How warm is Niigata in April?
Days average 12°C (54°F) and nights 9°C (47°F).
Niigata weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 6°C (43°F) | 4°C (38°F) | 166 mm | 89% | 11°C (51°F) | least pleasant |
| February | 6°C (43°F) | 3°C (38°F) | 105 mm | 85% | 9°C (49°F) | least pleasant |
| March | 8°C (47°F) | 5°C (41°F) | 107 mm | 80% | 10°C (49°F) | fair |
| April | 12°C (54°F) | 9°C (47°F) | 95 mm | 74% | 12°C (54°F) | fair |
| May | 17°C (63°F) | 13°C (56°F) | 85 mm | 72% | 16°C (61°F) | best |
| June | 22°C (71°F) | 18°C (65°F) | 113 mm | 79% | 22°C (71°F) | best |
| July | 25°C (78°F) | 22°C (72°F) | 213 mm | 82% | 27°C (80°F) | fair |
| August | 28°C (82°F) | 25°C (76°F) | 145 mm | 72% | 29°C (85°F) | best |
| September | 25°C (76°F) | 22°C (71°F) | 141 mm | 75% | 28°C (82°F) | best |
| October | 19°C (67°F) | 17°C (62°F) | 151 mm | 75% | 23°C (73°F) | best |
| November | 14°C (58°F) | 11°C (52°F) | 168 mm | 78% | 18°C (64°F) | fair |
| December | 9°C (49°F) | 6°C (43°F) | 215 mm | 87% | 14°C (56°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Niigata in April
Weather can differ a lot within Niigata: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Niigata | 12°C (54°F) | 9°C (47°F) | 95 mm | fair |
| Nagaoka | 14°C (58°F) | 6°C (43°F) | 101 mm | best |
| Jōetsu | 13°C (55°F) | 4°C (40°F) | 95 mm | best |
| Shibata | 13°C (56°F) | 5°C (40°F) | 92 mm | fair |
| Sanjō | 14°C (58°F) | 6°C (43°F) | 101 mm | best |
| Kashiwazaki | 14°C (58°F) | 6°C (43°F) | 101 mm | best |
| Tsubame | 14°C (58°F) | 6°C (43°F) | 101 mm | best |
| Niitsu-honchō | 13°C (56°F) | 5°C (40°F) | 92 mm | fair |
| Murakami | 13°C (56°F) | 5°C (40°F) | 92 mm | fair |
| Minamiuonuma | 12°C (54°F) | 1°C (34°F) | 95 mm | fair |
| Tōkamachi | 12°C (54°F) | 1°C (34°F) | 95 mm | fair |
| Sado | 12°C (54°F) | 9°C (47°F) | 95 mm | fair |