Karuizawa
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Weather Forecast for Karuizawa

Nagano, Japan

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Sunny

Current Weather - Karuizawa: 4°C

Nagano, Japan

Sunny

Feels like 3°C

Wind

7 km/h NW

Humidity

44%

Pressure

1016 mb

UV Index

3

Visibility

10 km
Sunny

Sunny

Wednesday, February 04, 2026

High

7°C

Low

-7°C

Rain Chance

0%

Hourly Forecast

Clear -6°C
05:00
Clear -7°C
06:00
Sunny -7°C
07:00
Sunny -2°C
08:00
Sunny 0°C
09:00
Sunny 2°C
10:00
Sunny 4°C
11:00
Sunny 5°C
12:00
Sunny 4°C
13:00
Sunny 7°C
14:00
Sunny 6°C
15:00
Sunny 5°C
16:00
Partly Cloudy -1°C
17:00
Clear -2°C
18:00
Clear -3°C
19:00
Partly Cloudy -3°C
20:00
Cloudy -3°C
21:00
Overcast -3°C
22:00
Partly Cloudy -3°C
23:00
Feb 05

Day Statistics

Maximum Wind

7 km/h

Humidity

53%

Precipitation

0 mm

UV Index

1

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:45 AM

Sunset

05:15 PM

Moonrise

07:50 PM

Moonset

08:00 AM

Moon Phase

Waning Gibbous

Moon Illumination

95%

Air Quality

PM2.5

17.6

μg/m³

PM10

21.5

μg/m³

NO₂

30.2

μg/m³

O₃

51.3

μg/m³

SO₂

6.2

μg/m³

CO

223.1

μg/m³

US EPA Index: 2 GB DEFRA Index: 2