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Weather in Karuizawa for April 2026

Your guide to Karuizawa weather in April - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Karuizawa usually enjoys a light touch of snow in April.

    • Temperatures

  • In general, the average temperature in Karuizawa at the beginning of April is 8.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.1 °C by the end of April.

    • Rain 🌧️

  • The climate of Karuizawa in April is notably wet, with an average of 15 rainy days, and a total of 97.9 mm of precipitation.

    • More

  • Is April 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
12
Dry days
Average rainy days
15
Rainy days
Average snowy days
3
Snow days
Average temperatures
13°/4°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Karuizawa Weather April

Move between months or click on a day
March
May
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
4°
2
Partly cloudy
8°
3
Moderate rain
9°
4
Fog
8°
5
Patchy rain possible
10°
6
Patchy rain possible
10°
7
Patchy rain possible
12°
8
Light rain
15°
9
Moderate or heavy snow showers
12°
10
Partly cloudy
11°
11
Sunny
12°
12
Patchy rain possible
14°
13
Cloudy
12°
14
Sunny
17°
15
Sunny
14°
16
Patchy rain possible
15°
17
Patchy light rain with thunder
18°
18
Patchy rain possible
15°
19
Partly cloudy
20°
20
Partly cloudy
18°
21
Patchy rain possible
13°
22
Light rain
15°
23
Light drizzle
11°
24
Light rain shower
14°
25
Patchy rain possible
17°
26
Cloudy
15°
27
Patchy rain possible
17°
28
Sunny
18°
29
Light rain shower
15°
30
Patchy rain possible
17°

Temperatures trend during April in Karuizawa

See the weather trend as well as the moving average line

April weather in Karuizawa day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
1 Apr. Patchy rain possible
Patchy rain possible
 4° /1° 6.5 mm 4.4 cm
2 Apr. Partly cloudy
Partly cloudy
 8° /-1° 5.2 mm 0.5 cm
3 Apr. Moderate rain
Moderate rain
 9° /2° 15.3 mm 0.9 cm
4 Apr. Fog
Fog
 8° /1° 0.7 mm 0 cm
5 Apr. Patchy rain possible
Patchy rain possible
 10° /-1° 0.1 mm 0 cm
6 Apr. Patchy rain possible
Patchy rain possible
 10° /2° 1.3 mm 0 cm
7 Apr. Patchy rain possible
Patchy rain possible
 12° /2° 0.4 mm 0 cm
8 Apr. Light rain
Light rain
 15° /3° 3.1 mm 0 cm
9 Apr. Moderate or heavy snow showers
Moderate or heavy snow showers
 12° /1° 28.4 mm 0 cm
10 Apr. Partly cloudy
Partly cloudy
 11° /-1° 1 mm 0 cm
11 Apr. Sunny
Sunny
 12° /2° 4.3 mm 0 cm
12 Apr. Patchy rain possible
Patchy rain possible
 14° /2° 0 mm 0 cm
13 Apr. Cloudy
Cloudy
 12° /3° 6.6 mm 0 cm
14 Apr. Sunny
Sunny
 17° /5° 1.3 mm 0 cm
15 Apr. Sunny
Sunny
 14° /4° 1.3 mm 0 cm
16 Apr. Patchy rain possible
Patchy rain possible
 15° /4° 0.1 mm 0 cm
17 Apr. Patchy light rain with thunder
Patchy light rain with thunder
 18° /5° 0.7 mm 0 cm
18 Apr. Patchy rain possible
Patchy rain possible
 15° /6° 0.1 mm 0 cm
19 Apr. Partly cloudy
Partly cloudy
 20° /5° 0 mm 0 cm
20 Apr. Partly cloudy
Partly cloudy
 18° /6° 1 mm 0 cm
21 Apr. Patchy rain possible
Patchy rain possible
 13° /5° 0.6 mm 0 cm
22 Apr. Light rain
Light rain
 15° /5° 3.2 mm 0 cm
23 Apr. Light drizzle
Light drizzle
 11° /6° 3.1 mm 0 cm
24 Apr. Light rain shower
Light rain shower
 14° /6° 4.9 mm 0 cm
25 Apr. Patchy rain possible
Patchy rain possible
 17° /5° 0.3 mm 0 cm
26 Apr. Cloudy
Cloudy
 15° /3° 0 mm 0 cm
27 Apr. Patchy rain possible
Patchy rain possible
 17° /5° 0.1 mm 0 cm
28 Apr. Sunny
Sunny
 18° /6° 2.5 mm 0 cm
29 Apr. Light rain shower
Light rain shower
 15° /6° 2.9 mm 0 cm
30 Apr. Patchy rain possible
Patchy rain possible
 17° /4° 2.6 mm 0 cm
Next
Important Notice
Our weather forecast for Karuizawa in April 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
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Karuizawa weather in April vs March vs May

Compare April 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.
MarchAprilMay
WeatherModerate snow
Moderate snow
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures5°/-4°13°/4°16°/6°
Rainfall144 mm98 mm209 mm
Snowfall75 cm6 cm0 cm
Wind12.7 km/h11.3 km/h11.1 km/h
Humidity74%69%75%
Rainy days3 days15 days20 days
Snow days23 days3 days0 days
Dry days5 days12 days11 days

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

Karuizawa in April - FAQ

What are the expected maximum and minimum temperatures in Karuizawa during April?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 4°.
How much rainfall should be expected in Karuizawa during April?
Moderate rainfall is anticipated in Karuizawa during April, with a total of 97.9 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
Will it snow in Karuizawa in April 2026?
Karuizawa experiences an average snowfall of 5.81 cm during April, occurring over 3 days.
What are the typical wind conditions in Karuizawa during April?
The average wind speed in Karuizawa during April is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Karuizawa in April?

As you prepare for your trip to Karuizawa in April, 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 April, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

Karuizawa snow forecast April 2026

Track daily snowfall levels and discover Karuizawa’s snowy potential this April ❄️

April rainfall patterns in Karuizawa

Explore the daily rainfall trends and prepare for Karuizawas April weather 💧

Quick links

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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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