Weather in Kōyasan for June 2026
In general, the average temperature in Kōyasan at the beginning of June is 23.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.9 °C by the end of June.
Kōyasan in June brings notable rainfall, with an average of 16 rainy days and a total precipitation of 181.8 mm.
Is June a good time to visit Kōyasan? check out the best time to travel to Kōyasan page.
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Kōyasan Weather June
Temperatures trend during June in Kōyasan
June weather in Kōyasan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Patchy rain possible | 19° /10° | 0.8 mm | 4 | |
| 2 Jun. |  Cloudy | 25° /10° | 0.1 mm | 5 | |
| 3 Jun. |  Heavy rain | 18° /13° | 31.4 mm | 4 | |
| 4 Jun. |  Mist | 22° /14° | 0.2 mm | 5 | |
| 5 Jun. |  Sunny | 25° /11° | 0 mm | 7 | |
| 6 Jun. |  Overcast | 27° /12° | 0 mm | 6 | |
| 7 Jun. |  Partly cloudy | 27° /13° | 0 mm | 7 | |
| 8 Jun. |  Patchy light rain | 21° /12° | 1.2 mm | 5 | |
| 9 Jun. |  Moderate rain | 17° /12° | 22.9 mm | 4 | |
| 10 Jun. | Light rain shower | 21° /14° | 35 mm | 5 | |
| 11 Jun. | Light rain shower | 20° /15° | 12.1 mm | 5 | |
| 12 Jun. | Patchy light drizzle | 21° /14° | 5 mm | 5 | |
| 13 Jun. | Light drizzle | 23° /13° | 1 mm | 5 | |
| 14 Jun. |  Moderate or heavy rain shower | 20° /16° | 29.2 mm | 5 | |
| 15 Jun. | Light rain shower | 26° /20° | 9.8 mm | 6 | |
| 16 Jun. | Patchy rain possible | 31° /18° | 0.2 mm | 7 | |
| 17 Jun. | Light rain shower | 31° /20° | 1.8 mm | 7 | |
| 18 Jun. | Patchy rain possible | 31° /20° | 0.6 mm | 7 | |
| 19 Jun. | Partly cloudy | 31° /20° | 0 mm | 8 | |
| 20 Jun. | Patchy rain possible | 31° /18° | 0.1 mm | 7 | |
| 21 Jun. | Sunny | 31° /19° | 0 mm | 8 | |
| 22 Jun. | Cloudy | 30° /19° | 0.1 mm | 7 | |
| 23 Jun. | Light rain shower | 23° /19° | 14.7 mm | 5 | |
| 24 Jun. | Light rain shower | 24° /18° | 10 mm | 5 | |
| 25 Jun. | Light rain shower | 30° /19° | 2.8 mm | 7 | |
| 26 Jun. | Light rain shower | 30° /19° | 2.6 mm | 7 | |
| 27 Jun. | Patchy rain possible | 27° /18° | 0.1 mm | 6 | |
| 28 Jun. | Sunny | 29° /18° | 0 mm | 7 | |
| 29 Jun. | Sunny | 31° /18° | 0 mm | 8 | |
| 30 Jun. | Patchy rain possible | 31° /21° | 0.1 mm | 7 | |
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Kōyasan in June - FAQ
What to pack to Kōyasan in June?
As you prepare for your trip to Kōyasan 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 Kōyasan, during June, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
June rainfall patterns in Kōyasan
UV exposure in Kōyasan during June
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Where is Kōyasan?Get accurate weather forecasts for Kōyasan, located at latitude 34.217 and longitude 135.583. Stay updated with localized weather information tailored for Kōyasan.