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Weather in Karuizawa for July 2026

Your guide to Karuizawa weather in July - trends and predictions

    Temperatures

  • Until now, July 2026 in Karuizawa has been nearly identical to the historical average, with a temperature of 24.1 °C (showing only a slight deviation of -0.3 °C).

  • The forecast for the next days in Karuizawa predicts temperatures to be around 29 °C, close to the historical average.

  • In general, the average temperature in Karuizawa at the beginning of July is 24 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.3 °C by the end of July.

    • Rain 🌧️

  • Karuizawa experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 198.3 mm.

    • More

  • Is July a good time to visit Karuizawa? check out the best time to travel to Karuizawa page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
4
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/16°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Karuizawa Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
24°
2
Patchy rain possible
22°
3
Patchy rain possible
25°
4
Light rain shower
24°
5
Patchy rain possible
25°
6
Patchy rain possible
23°
7
Sunny
25°
8
Patchy rain possible
26°
9
Patchy rain possible
26°
10
Light rain shower
24°
11
Light rain shower
24°
12
Moderate or heavy rain shower
23°
13
Light rain shower
26°
14
Light rain shower
25°
15
Light rain shower
24°
16
Light rain shower
24°
17
Light rain shower
22°
18
Patchy rain possible
24°
19
Patchy rain possible
27°
20
Patchy rain possible
26°
21
Mist
29°
22
Mist
32°
23
Mist
31°
24
Light rain shower
27°
25
Fog
27°
26
Patchy rain possible
25°
27
Patchy rain possible
28°
28
Patchy rain possible
27°
29
Patchy rain possible
29°
30
Patchy rain possible
31°
31
Sunny
31°

Temperatures trend during July in Karuizawa

See the weather trend as well as the moving average line

July weather in Karuizawa day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
1 Jul. Patchy rain possible
Patchy rain possible
 24° /15° 11.6 mm 7
2 Jul. Patchy rain possible
Patchy rain possible
 22° /15° 19.9 mm 4
3 Jul. Patchy rain possible
Patchy rain possible
 25° /15° 5.1 mm 5
4 Jul. Light rain shower
Light rain shower
 24° /16° 3.7 mm 5
5 Jul. Patchy rain possible
Patchy rain possible
 25° /16° 5.2 mm 5
6 Jul. Patchy rain possible
Patchy rain possible
 23° /15° 6.4 mm 5
7 Jul. Sunny
Sunny
 25° /15° 1.5 mm 5
8 Jul. Patchy rain possible
Patchy rain possible
 26° /16° 0.7 mm 5
9 Jul. Patchy rain possible
Patchy rain possible
 26° /16° 3.5 mm 8
10 Jul. Light rain shower
Light rain shower
 24° /15° 10.8 mm 7
11 Jul. Light rain shower
Light rain shower
 24° /15° 2.4 mm 6
12 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 5.7 mm 5
13 Jul. Light rain shower
Light rain shower
 26° /15° 2.5 mm 7
14 Jul. Light rain shower
Light rain shower
 25° /16° 3.3 mm 8
15 Jul. Light rain shower
Light rain shower
 24° /16° 23.3 mm 7
16 Jul. Light rain shower
Light rain shower
 24° /16° 8.4 mm 6
17 Jul. Light rain shower
Light rain shower
 22° /16° 8.4 mm 4
18 Jul. Patchy rain possible
Patchy rain possible
 24° /15° 1.1 mm 5
19 Jul. Patchy rain possible
Patchy rain possible
 27° /17° 1.1 mm 5
20 Jul. Patchy rain possible
Patchy rain possible
 26° /16° 4.3 mm 6
21 Jul. Mist
Mist
 29° /19° 8.6 mm 11
22 Jul. Mist
Mist
 32° /19° 3.7 mm 11.2
23 Jul. Mist
Mist
 31° /18° 4.8 mm 10.9
24 Jul. Light rain shower
Light rain shower
 27° /18° 13.5 mm 8.9
25 Jul. Fog
Fog
 27° /20° 10.2 mm 6
26 Jul. Patchy rain possible
Patchy rain possible
 25° /17° 8.1 mm 5
27 Jul. Patchy rain possible
Patchy rain possible
 28° /16° 3.5 mm 7
28 Jul. Patchy rain possible
Patchy rain possible
 27° /18° 9.9 mm 6
29 Jul. Patchy rain possible
Patchy rain possible
 29° /17° 3.9 mm 7
30 Jul. Patchy rain possible
Patchy rain possible
 31° /18° 1.3 mm 8
31 Jul. Sunny
Sunny
 31° /18° 0 mm 8
Next
Important Notice
Our weather forecast for Karuizawa in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Karuizawa forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Karuizawa weather in July vs June vs August

Compare July weather in Karuizawa with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
JuneJulyAugust
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures20°/11°25°/16°25°/16°
Rainfall226 mm198 mm218 mm
Wind9.7 km/h8.7 km/h7.2 km/h
Humidity81%82%84%
Rainy days26 days27 days28 days
Dry days4 days4 days3 days

Planning a trip to Karuizawa? Discover the best time to visit

Karuizawa in July - FAQ

What are the expected maximum and minimum temperatures in Karuizawa during July?
During July, expect a variety of temperatures with highs around 25° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in Karuizawa during July?
Significant rainfall exceeding 198.3 mm is expected in Karuizawa during July, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Karuizawa during July?
The average wind speed in Karuizawa during July is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Karuizawa

Explore the daily rainfall trends and prepare for Karuizawas July weather 💧
Typically, Karuizawa has 27 rainy days in July with a total of 198.3 mm of rainfall.

UV exposure in Karuizawa during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

What to pack to Karuizawa in July?

🌦️ Mild & changeable · highs around 25 °C, frequent showers

As you prepare for your trip to Karuizawa in July, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Karuizawa, during July, is comfortable and enjoyable, regardless of the weather conditions.

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🧥 Clothing

👟 Footwear

🎒 Accessories

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Location coordinates Where is Karuizawa?

Get accurate weather forecasts for Karuizawa, located at latitude 36.35 and longitude 138.633. Stay updated with localized weather information tailored for Karuizawa.

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