Nikko weather in December
December in Nikko: cold, a little rain, with clean air — a good time to visit.
#8 of 12 months in Nikko · #527 of 897 destinations to visit in December · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nikko in December
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Nikko climate normals — December
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 30°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | -2°C / 29°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 9.7 h | |
| Wind | 12 km/h / 8 mph | |
| Snowfall | 16.1 cm / 6.3 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nikko in December — FAQ
- Is December a good time to visit Nikko?
- December in Nikko: cold, a little rain, with clean air — a good time to visit. It ranks #8 of 12 months for Nikko on SeasonMap's comfort score (68/100).
- What is the weather like in Nikko in December?
- In December, Nikko averages a daily high of 7.1°C and a low of -0.9°C, with about 49.4 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Nikko in December?
- Nikko has a mean US Air Quality Index of about 33 in December.
- Does it snow in Nikko in December?
- Nikko sees roughly 16.1 cm of snowfall in December.