What is the weather like in Nagano vs Osaka in December?

In December, Nagano averages 8°C high / -1°C low with about 154 mm of rain; Osaka averages 13°C high / 6°C low with about 49 mm.

Nagano vs Osaka in December

Osaka is the better pick in December — 73 vs 53 on SeasonMap's comfort score. Osaka is cool, a little rain, muggy air, while Nagano is cold, soaked, clean air.

Nagano vs Osaka — December climate, side by side

	🇯🇵 Nagano	🇯🇵 Osaka
Comfort score	53/100 (D)	73/100 (B)
Feels-like high	5°C	10°C
Avg high / low	8° / -1°	13° / 6°
Rainfall	154 mm	49 mm
Rainy days	21	6
Humidity	82%	75%
Air quality (AQI)	34	56

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Nagano 🇯🇵 Japancold, soaked, clean air · best May53
Osaka 🇯🇵 Japancool, a little rain, muggy air · best November73

Nagano vs Osaka in December — FAQ

Is December better in Nagano or Osaka?: Osaka is the better pick in December — 73 vs 53 on SeasonMap's comfort score. Osaka is cool, a little rain, muggy air, while Nagano is cold, soaked, clean air.
What is the weather like in Nagano vs Osaka in December?: In December, Nagano averages 8°C high / -1°C low with about 154 mm of rain; Osaka averages 13°C high / 6°C low with about 49 mm.