Nikko weather in April
April in Nikko: cool, soaked, with very humid — fine if you can take 15 rainy days.
#2 of 12 months in Nikko · #554 of 897 destinations to visit in April · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nikko in April
No notes yet. Open Nikko on the map to add the first one.
Nikko climate normals — April
| Daytime high | 15°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Rainfall | 155 mm / 6.1 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 13.1 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 12.3 cm / 4.8 in | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Nikko?
Loading map…
Nikko in April — FAQ
- Is April a good time to visit Nikko?
- April in Nikko: cool, soaked, with very humid — fine if you can take 15 rainy days. It ranks #2 of 12 months for Nikko on SeasonMap's comfort score (78/100).
- What is the weather like in Nikko in April?
- In April, Nikko averages a daily high of 14.5°C and a low of 4.8°C, with about 154.5 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Nikko in April?
- Nikko has a mean US Air Quality Index of about 55 in April.
- Does it snow in Nikko in April?
- Nikko sees roughly 12.3 cm of snowfall in April.