Weather in Karuizawa for June 2025
Until now, June 2025 in Karuizawa has been nearly identical to the historical average, with a temperature of 18.5 °C (showing only a slight deviation of 0.4 °C).
The forecast for the coming days of June 2025 predicts a temperature of 22.7 °C , which is warmer than usual.
In general, the average temperature in Karuizawa at the beginning of June is 17.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.7 °C by the end of June.
Karuizawa in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 258.5 mm.
Is June a good time to visit Karuizawa? check out the best time to travel to Karuizawa page.
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Karuizawa Weather June
Temperatures trend during June in Karuizawa
June weather in Karuizawa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Light rain shower | 15° /5° | 2.5 mm | 4 | |
| 2 Jun. |  Moderate or heavy rain shower | 16° /6° | 19.4 mm | 4 | |
| 3 Jun. |  Patchy light rain with thunder | 16° /7° | 10.8 mm | 4 | |
| 4 Jun. | Patchy light rain with thunder | 17° /8° | 4.7 mm | 4 | |
| 5 Jun. |  Sunny | 19° /5° | 0 mm | 5 | |
| 6 Jun. | Patchy rain possible | 20° /8° | 0.2 mm | 5 | |
| 7 Jun. |  Thundery outbreaks possible | 19° /9° | 1.6 mm | 5 | |
| 8 Jun. |  Partly cloudy | 19° /9° | 0.3 mm | 5 | |
| 9 Jun. | Patchy rain possible | 17° /9° | 0.7 mm | 4 | |
| 10 Jun. | Patchy rain possible | 19° /11° | 4.4 mm | 5 | |
| 11 Jun. | Patchy rain possible | 19° /11° | 29.9 mm | 5 | |
| 12 Jun. | Patchy rain possible | 21° /10° | 2 mm | 5 | |
| 13 Jun. | Patchy rain possible | 19° /10° | 3 mm | 4 | |
| 14 Jun. | Patchy rain possible | 24° /10° | 0.8 mm | 5 | |
| 15 Jun. |  Heavy rain | 23° /14° | 27.3 mm | 2.2 | |
| 16 Jun. | Patchy rain possible | 26° /14° | 2.3 mm | 2.8 | |
| 17 Jun. | Patchy rain possible | 27° /16° | 3.4 mm | 3 | |
| 18 Jun. | Patchy rain possible | 27° /16° | 4.4 mm | 3 | |
| 19 Jun. | Patchy rain possible | 24° /13° | 0.2 mm | 3 | |
| 20 Jun. | Patchy rain possible | 23° /16° | 0.8 mm | 4 | |
| 21 Jun. | Patchy rain possible | 24° /15° | 1.9 mm | 4 | |
| 22 Jun. | Patchy rain possible | 25° /15° | 1.7 mm | 4 | |
| 23 Jun. | Patchy rain possible | 19° /15° | 4.6 mm | 4 | |
| 24 Jun. |  Moderate rain | 17° /15° | 5.1 mm | 4 | |
| 25 Jun. | Moderate rain | 19° /15° | 7.8 mm | 4 | |
| 26 Jun. | Moderate rain | 22° /15° | 6 mm | 4 | |
| 27 Jun. | Moderate rain | 22° /15° | 5.9 mm | 4 | |
| 28 Jun. | Moderate rain | 20° /14° | 5.8 mm | 4 | |
| 29 Jun. | Light rain shower | 19° /12° | 6.8 mm | 4 | |
| 30 Jun. |  Light drizzle | 19° /12° | 2.9 mm | 4 | |
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Karuizawa in June - FAQ
What to pack to Karuizawa in June?
As you prepare for your trip to Karuizawa in June, 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 June, 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
June rainfall patterns in Karuizawa
UV exposure in Karuizawa during June
Quick links
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.