Karuizawa in July

6.1out of 10

Possible, with caveats

Warm and comfortable: highs around 26°C. Very wet: about 24 rainy days.

26°CAvg high
19°CAvg low
24Rainy days (279 mm)
14:15 hDaylight
04:44Sunrise · 18:59 Sunset

Why this score

  • Warm and comfortable: highs around 26°C
  • Very wet: about 24 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in July is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -4° J 4° -4° F 8° -1° M 14° 5° A 19° 10° M 22° 15° J 26° 19° J 26° 19° A 22° 16° S 17° 9° O 12° 3° N 6° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-4°C60 mm 7– – 4.6
February 4°C-4°C64 mm 9– – 4.6
March 8°C-1°C107 mm 13– – 4.8
April 14°C5°C122 mm 13– – 5.9
May 19°C10°C166 mm 17– – 6.0
June 22°C15°C256 mm 23– – 6.0
July 26°C19°C279 mm 24– – 6.1
August 26°C19°C242 mm 24– – 6.1
September 22°C16°C244 mm 20– – 6.1
October 17°C9°C192 mm 14– – 5.8
November 12°C3°C70 mm 9– – 6.3
December 6°C-1°C48 mm 8– – 5.3

Frequently asked questions

How hot is Karuizawa in July?

Daytime highs average 26°C and nights about 19°C.

When is the best time to visit Karuizawa?

The best months are November, July, August, September.