Karuizawa, Nagano Climate
Japan
Pop. 20,023 Elev. 952 m / 3,124 ft
TZ: Asia/Tokyo (UTC+9) ·
Summers in Karuizawa are mild, with August highs around 84°F (29°C), while winters are frigid with February lows of 23°F (-5°C). Humidity pushes the summer feels-like temperature to 93°F (34°C), while wind chill can drive winter lows to 15°F (-9°C). Expect around 96 rainy days annually (59.4 in / 1509 mm total), with snow on 8 days and 60 in (1530 mm) of annual accumulation. The city averages 103 sunny days per year and around 43 thunderstorm days.
| Temperature | 29°C (84°F) high | -5°C (23°F) low |
| Feels like | 34°C (93°F) high | -9°C (15°F) low |
| Rain | 96 days | 1509 mm (59.4 in) /yr |
| Snow | 8 days | 1530 mm (60.2 in) /yr |
| Sky | 103 sunny | 43 stormy |
| Wind | 1.0 m/s (2.2 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Oct
Sky & Air by Month
Cloud cover (%)
37
Jan 44
Feb 62
Mar 57
Apr 80
May 75
Jun 67
Jul 70
Aug 73
Sep 75
Oct 40
Nov 38
Dec Humidity (%)
56
Jan 51
Feb 65
Mar 60
Apr 73
May 75
Jun 81
Jul 78
Aug 80
Sep 81
Oct 69
Nov 65
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 68 km Shinshu-Matsumoto Airport (MMJ)
Ski resort 2 km 軽井沢プリンスホテルスキー場
National park 179 km 高鈴県立自然公園
Mountain peak
(1,590 m) 5 km 留夫山
Hospital 14 km 群馬県慈恵会松井田病院
Hiking trail 2 km 離山ハイキングコース
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 5°C 40°F | -3°C 26°F | 15 mm 0.6 in | 136 mm5.4 in | 18 |
| February | 4°C 39°F | -5°C 23°F | 7 mm 0.3 in | 163 mm6.4 in | 13 |
| March | 9°C 48°F | 0°C 31°F | 64 mm 2.5 in | 958 mm37.7 in | 9 |
| April | 16°C 60°F | 6°C 42°F | 98 mm 3.9 in | 137 mm5.4 in | 8 |
| May | 19°C 66°F | 11°C 51°F | 199 mm 7.8 in | — | 2 |
| June | 25°C 76°F | 17°C 62°F | 222 mm 8.8 in | — | 3 |
| July | 28°C 82°F | 20°C 67°F | 282 mm 11.1 in | — | 8 |
| August | 29°C 84°F | 20°C 69°F | 180 mm 7.1 in | — | 3 |
| September | 25°C 77°F | 18°C 64°F | 230 mm 9.1 in | — | 1 |
| October | 17°C 63°F | 10°C 51°F | 161 mm 6.3 in | — | 5 |
| November | 12°C 53°F | 2°C 36°F | 17 mm 0.7 in | 4 mm0.2 in | 17 |
| December | 7°C 44°F | -2°C 29°F | 32 mm 1.3 in | 131 mm5.1 in | 16 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 0 |
| February | 13 | 0 |
| March | 9 | 0 |
| April | 8 | 1 |
| May | 2 | 2 |
| June | 3 | 7 |
| July | 8 | 15 |
| August | 3 | 7 |
| September | 1 | 8 |
| October | 5 | 3 |
| November | 17 | 0 |
| December | 16 | 0 |