Climate & Weather in Karuizawa, 🇯🇵 Japan - Monthly Averages, Forecast & Air Quality
🇯🇵 Karuizawa,
Japan
#2870
Nomad Score
6.1
Coords
36.3482938, 138.5969968
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CURRENT CONDITIONS
Temperature
20.1°C
/
16.7°C
Feels Like
22.2°C / 18.5°C
Weather
🌧️ Light drizzle
Humidity
%
Wind
6.8 km/h
(gusts 23.8)
UV Index
4.7
Sunrise / Sunset
05:25
/
17:56
Daylight
12.5 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sun 13 Sep | 🌧️ Light drizzle | 20.1° | 16.7° | 88% |
| Mon 14 Sep | 🌧️ Light drizzle | 29.0° | 17.7° | 77% |
| Tue 15 Sep | 🌧️ Slight rain | 20.8° | 15.6° | 98% |
| Wed 16 Sep | ⛈️ Thunderstorm | 19.1° | 15.3° | 95% |
| Thu 17 Sep | 🌧️ Moderate rain showers | 17.8° | 15.5° | 59% |
| Fri 18 Sep | 🌧️ Light drizzle | 19.0° | 14.2° | 33% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| July | Good | 25.5°C | 18.1°C | 22.1 |
| August | Good | 25.8°C | 18.8°C | 21.7 |
| September | Good | 22.5°C | 15.7°C | 19.2 |
| June | Good | 21.2°C | 13.4°C | 18.8 |
| May | Fair | 17.4°C | 8.3°C | 14.1 |
| January | Fair | 2.9°C | -5.6°C | 4.5 |
| December | Fair | 5.6°C | -3.5°C | 5.4 |
| November | Fair | 11.3°C | 2.3°C | 5.4 |
| March | Fair | 8.8°C | -1.6°C | 10.3 |
| April | Fair | 14.2°C | 3.7°C | 12.4 |
| October | Fair | 16.2°C | 8.2°C | 12.4 |
| February | Fair | 3.9°C | -5.5°C | 8.1 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
32
🟢 Good
US Air Quality Index
European AQI: 35
PM2.5
4.8 µg/m³
PM10
4.9 µg/m³
Ozone
89.0 µg/m³
NO₂
2.8 µg/m³
SO₂
3.5 µg/m³
CO
362.0 µg/m³
UV Index
1.4
Dust
0.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 2.9° | -5.6° | -2.0° | -2.0° | -10.3° | 26.6 mm | 4.5 | 13.4 cm | 257.3 hrs | 10.0 hrs | - | 63.4% | 16.7 km/h | 50.7% |
| Feb | 3.9° | -5.5° | -1.4° | -0.5° | -10.1° | 60.7 mm | 8.1 | 25.7 cm | 235.2 hrs | 10.9 hrs | - | 64.2% | 16.0 km/h | 55.2% |
| Mar | 8.8° | -1.6° | 3.3° | 5.9° | -5.5° | 111.5 mm | 10.3 | 30.9 cm | 272.8 hrs | 12.0 hrs | - | 69.7% | 14.9 km/h | 58.2% |
| Apr | 14.2° | 3.7° | 8.8° | 12.5° | 0.7° | 120.5 mm | 12.4 | 6.0 cm | 273.0 hrs | 13.1 hrs | - | 71.5% | 14.3 km/h | 61.1% |
| May | 17.4° | 8.3° | 12.8° | 17.3° | 6.3° | 170.1 mm | 14.1 | 0.0 cm | 272.8 hrs | 14.1 hrs | - | 77.0% | 13.4 km/h | 70.4% |
| Jun | 21.2° | 13.4° | 17.1° | 22.8° | 13.4° | 223.0 mm | 18.8 | 0.0 cm | 276.0 hrs | 14.6 hrs | - | 83.0% | 12.1 km/h | 79.2% |
| Jul | 25.5° | 18.1° | 21.4° | 29.0° | 20.0° | 204.3 mm | 22.1 | 0.0 cm | 303.8 hrs | 14.4 hrs | - | 85.2% | 10.8 km/h | 71.4% |
| Aug | 25.8° | 18.8° | 21.8° | 29.5° | 21.0° | 232.1 mm | 21.7 | 0.0 cm | 303.8 hrs | 13.5 hrs | - | 87.1% | 11.2 km/h | 74.6% |
| Sep | 22.5° | 15.7° | 18.7° | 24.5° | 16.7° | 201.7 mm | 19.2 | 0.0 cm | 255.0 hrs | 12.4 hrs | - | 88.0% | 11.5 km/h | 76.7% |
| Oct | 16.2° | 8.2° | 11.9° | 15.5° | 6.6° | 126.1 mm | 12.4 | 0.0 cm | 238.7 hrs | 11.3 hrs | - | 82.8% | 11.1 km/h | 63.7% |
| Nov | 11.3° | 2.3° | 6.3° | 8.3° | -0.9° | 56.0 mm | 5.4 | 0.5 cm | 249.0 hrs | 10.3 hrs | - | 74.4% | 13.3 km/h | 44.1% |
| Dec | 5.6° | -3.5° | 0.4° | 1.2° | -7.8° | 40.3 mm | 5.4 | 7.2 cm | 241.8 hrs | 9.7 hrs | - | 67.9% | 16.5 km/h | 49.6% |