Weather in Karuizawa for May 2025
Expect cooler weather in first days of May 2025 in Karuizawa with the forecast suggesting a temperature of 19.6 °C, lower than the historical average.
In general, the average temperature in Karuizawa at the beginning of May is 18.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.9 °C by the end of May.
The climate of Karuizawa in May is notably wet, with an average of 12 rainy days, and a total of 225.5 mm of precipitation.
Is May a good time to visit Karuizawa? check out the best time to travel to Karuizawa page.
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Karuizawa Weather May
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2 18° | 3  20° | 4 22° | |||
| 5 25° | 6  13° | 7  13° | 8 11° | 9  8° | 10 18° | 11 19° |
| 12  16° | 13  13° | 14 15° | 15 17° | 16 15° | 17 15° | 18 20° |
| 19 16° | 20 17° | 21  17° | 22 14° | 23 19° | 24 21° | 25 17° |
| 26 20° | 27 19° | 28  15° | 29  14° | 30 19° | 31 14° |
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Temperatures trend during May in Karuizawa
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 20° /8° | 0.1 mm | 3 | |
| 2 May | Patchy rain possible | 18° /10° | 0.1 mm | 3 | |
| 3 May | Sunny | 20° /8° | 0 mm | 4 | |
| 4 May | Patchy rain possible | 22° /8° | 0.1 mm | 3 | |
| 5 May | Sunny | 25° /10° | 0 mm | 5 | |
| 6 May | Cloudy | 13° /8° | 0 mm | 3 | |
| 7 May | Light drizzle | 13° /9° | 2.6 mm | 3 | |
| 8 May | Patchy rain possible | 11° /1° | 1.3 mm | 3 | |
| 9 May | Light freezing rain | 8° /0° | 1.3 mm | 2 | |
| 10 May | Sunny | 18° /0° | 0 mm | 5 | |
| 11 May | Sunny | 19° /4° | 0 mm | 5 | |
| 12 May | Overcast | 16° /5° | 0.6 mm | 4 | |
| 13 May | Moderate rain | 13° /4° | 36.1 mm | 3 | |
| 14 May | Sunny | 15° /0° | 0 mm | 5 | |
| 15 May | Patchy rain possible | 17° /5° | 0.1 mm | 4 | |
| 16 May | Patchy rain possible | 15° /7° | 1.3 mm | 4 | |
| 17 May | Sunny | 15° /3° | 0 mm | 5 | |
| 18 May | Sunny | 20° /4° | 0 mm | 6 | |
| 19 May | Light rain | 16° /8° | 6.7 mm | 4 | |
| 20 May | Light rain | 17° /7° | 10.7 mm | 4 | |
| 21 May | Partly cloudy | 17° /8° | 0 mm | 5 | |
| 22 May | Patchy rain possible | 14° /8° | 0.7 mm | 3 | |
| 23 May | Overcast | 19° /7° | 0 mm | 4 | |
| 24 May | Patchy rain possible | 21° /8° | 0.1 mm | 5 | |
| 25 May | Patchy rain possible | 17° /8° | 0.3 mm | 4 | |
| 26 May | Patchy rain possible | 20° /7° | 0.1 mm | 4 | |
| 27 May | Patchy light drizzle | 19° /11° | 0.3 mm | 4 | |
| 28 May | Heavy rain | 15° /10° | 119.4 mm | 4 | |
| 29 May | Fog | 14° /6° | 3.2 mm | 3 | |
| 30 May | Sunny | 19° /6° | 0.1 mm | 5 | |
| 31 May | Light rain shower | 14° /8° | 15.7 mm | 3 | |
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Karuizawa in May - FAQ
What to pack to Karuizawa in May?
As you prepare for your trip to Karuizawa in May, 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 May, 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
May rainfall patterns in Karuizawa
UV exposure in Karuizawa during May
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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.