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

In December, Karuizawa averages 6°C high / -6°C low with about 48 mm of rain; Osaka averages 13°C high / 6°C low with about 49 mm.

Karuizawa vs Osaka in December

Osaka is the better pick in December — 73 vs 58 on SeasonMap's comfort score. Osaka is cool, a little rain, muggy air, while Karuizawa is cold, a little rain, clean air.

Karuizawa vs Osaka — December climate, side by side

	🇯🇵 Karuizawa	🇯🇵 Osaka
Comfort score	58/100 (D)	73/100 (B)
Feels-like high	1°C	10°C
Avg high / low	6° / -6°	13° / 6°
Rainfall	48 mm	49 mm
Rainy days	8	6
Humidity	72%	75%
Air quality (AQI)	32	56

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

Month by month

Karuizawa 🇯🇵 Japancold, a little rain, clean air · best May58
Osaka 🇯🇵 Japancool, a little rain, muggy air · best November73

Karuizawa vs Osaka in December — FAQ

Is December better in Karuizawa or Osaka?: Osaka is the better pick in December — 73 vs 58 on SeasonMap's comfort score. Osaka is cool, a little rain, muggy air, while Karuizawa is cold, a little rain, clean air.
What is the weather like in Karuizawa vs Osaka in December?: In December, Karuizawa averages 6°C high / -6°C low with about 48 mm of rain; Osaka averages 13°C high / 6°C low with about 49 mm.