Weather in Kōyasan for July 2026
The forecast for the next days in Kōyasan predicts temperatures to be around 31 °C, close to the historical average.
In general, the average temperature in Kōyasan at the beginning of July is 28.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 33 °C by the end of July.
Kōyasan experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 157.4 mm.
Is July a good time to visit Kōyasan? check out the best time to travel to Kōyasan page.
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Kōyasan Weather July
Temperatures trend during July in Kōyasan
July weather in Kōyasan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 29° /20° | 5.3 mm | 8 | |
| 2 Jul. |  Patchy light rain with thunder | 29° /20° | 17.4 mm | 5 | |
| 3 Jul. | Light rain shower | 29° /18° | 5.3 mm | 10 | |
| 4 Jul. | Light rain shower | 27° /20° | 14.5 mm | 6 | |
| 5 Jul. |  Partly cloudy | 31° /21° | 0 mm | 8 | |
| 6 Jul. |  Mist | 27° /19° | 7.5 mm | 3.6 | |
| 7 Jul. | Patchy rain possible | 29° /19° | 0.4 mm | 7.6 | |
| 8 Jul. | Patchy rain possible | 27° /20° | 1.7 mm | 6 | |
| 9 Jul. | Patchy rain possible | 29° /19° | 1.5 mm | 6 | |
| 10 Jul. |  Sunny | 31° /19° | 0.7 mm | 7 | |
| 11 Jul. | Sunny | 31° /20° | 0 mm | 8 | |
| 12 Jul. | Partly cloudy | 32° /21° | 2.8 mm | 8 | |
| 13 Jul. | Partly cloudy | 32° /22° | 0.6 mm | 8 | |
| 14 Jul. | Sunny | 33° /22° | 0 mm | 8 | |
| 15 Jul. | Sunny | 34° /22° | 0 mm | 8 | |
| 16 Jul. | Sunny | 31° /23° | 1.2 mm | 8 | |
| 17 Jul. | Partly cloudy | 28° /23° | 2.4 mm | 7 | |
| 18 Jul. | Patchy rain possible | 33° /22° | 4.9 mm | 8 | |
| 19 Jul. | Partly cloudy | 33° /22° | 5.7 mm | 7 | |
| 20 Jul. | Light rain shower | 31° /20° | 3.1 mm | 7 | |
| 21 Jul. |  Patchy light drizzle | 32° /20° | 3.7 mm | 7 | |
| 22 Jul. | Light rain shower | 30° /20° | 7.6 mm | 7 | |
| 23 Jul. | Patchy light rain with thunder | 32° /21° | 7.3 mm | 7 | |
| 24 Jul. | Patchy light rain with thunder | 33° /21° | 3.3 mm | 7 | |
| 25 Jul. | Light rain shower | 33° /19° | 4.4 mm | 7 | |
| 26 Jul. | Patchy rain possible | 33° /19° | 2.6 mm | 7 | |
| 27 Jul. | Patchy light drizzle | 32° /19° | 0.9 mm | 7 | |
| 28 Jul. | Patchy rain possible | 33° /19° | 0 mm | 7 | |
| 29 Jul. | Patchy rain possible | 34° /22° | 0.2 mm | 7 | |
| 30 Jul. | Patchy light drizzle | 33° /21° | 0.8 mm | 7 | |
| 31 Jul. | Patchy light drizzle | 33° /21° | 2.2 mm | 7 | |
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Kōyasan weather in July vs June vs August
| June | July | August | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 26°/16° | 31°/20° | 31°/21° |
| Rainfall | 182 mm | 157 mm | 258 mm |
| Wind | 11.2 km/h | 8.8 km/h | 11.3 km/h |
| Humidity | 78% | 76% | 78% |
| Rainy days | 14 days | 21 days | 26 days |
| Dry days | 16 days | 10 days | 5 days |
Planning a trip to Kōyasan? Discover the best time to visit
Kōyasan in July - FAQ
What are the expected maximum and minimum temperatures in Kōyasan during July?
How much rainfall should be expected in Kōyasan during July?
What are the typical wind conditions in Kōyasan during July?
July rainfall patterns in Kōyasan
UV exposure in Kōyasan during July
What to pack to Kōyasan in July?
Warm & sunny · highs around 31 °C, frequent showers
As you prepare for your trip to Kōyasan 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 Kōyasan, during July, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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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.