Weather in Kusatsu for August 2026
Expect cooler weather in first days of August 2026 in Kusatsu with the forecast suggesting a temperature of 29.5 °C, lower than the historical average.
In general, the average temperature in Kusatsu at the beginning of August is 28.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.7 °C by the end of August.
Kusatsu experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 218.9 mm.
Is August a good time to visit Kusatsu? check out the best time to travel to Kusatsu page.
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Kusatsu Weather August
Temperatures trend during August in Kusatsu
August weather in Kusatsu day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 30° /19° | 0.8 mm | 8 | |
| 2 Aug. |  Patchy rain possible | 31° /20° | 5.3 mm | 7 | |
| 3 Aug. | Patchy rain possible | 30° /19° | 13.5 mm | 7 | |
| 4 Aug. | Patchy rain possible | 31° /19° | 3.3 mm | 7 | |
| 5 Aug. | Light rain shower | 30° /19° | 4.9 mm | 7 | |
| 6 Aug. | Light rain shower | 27° /19° | 8.1 mm | 6 | |
| 7 Aug. |  Patchy light rain with thunder | 23° /17° | 17.1 mm | 5 | |
| 8 Aug. | Light rain shower | 26° /16° | 4.6 mm | 6 | |
| 9 Aug. | Light rain shower | 27° /16° | 5.6 mm | 6 | |
| 10 Aug. | Patchy rain possible | 24° /17° | 7.8 mm | 5 | |
| 11 Aug. |  Thundery outbreaks possible | 27° /17° | 3.9 mm | 6 | |
| 12 Aug. | Light rain shower | 26° /18° | 5.6 mm | 6 | |
| 13 Aug. | Light rain shower | 27° /19° | 11.9 mm | 6 | |
| 14 Aug. | Light rain shower | 26° /19° | 12.6 mm | 6 | |
| 15 Aug. | Light rain shower | 26° /18° | 9 mm | 6 | |
| 16 Aug. | Light rain shower | 25° /18° | 8.3 mm | 6 | |
| 17 Aug. | Patchy rain possible | 30° /18° | 1.7 mm | 7 | |
| 18 Aug. | Light rain shower | 29° /18° | 5.9 mm | 6 | |
| 19 Aug. | Patchy light rain with thunder | 29° /18° | 11.4 mm | 6 | |
| 20 Aug. | Patchy rain possible | 28° /18° | 5.2 mm | 6 | |
| 21 Aug. | Patchy rain possible | 28° /18° | 4 mm | 6 | |
| 22 Aug. | Light rain shower | 25° /18° | 4.7 mm | 6 | |
| 23 Aug. | Patchy light rain with thunder | 29° /19° | 4.1 mm | 6 | |
| 24 Aug. | Patchy light rain with thunder | 28° /20° | 15 mm | 6 | |
| 25 Aug. |  Moderate or heavy rain shower | 24° /19° | 18.6 mm | 5 | |
| 26 Aug. | Light rain shower | 26° /19° | 9 mm | 6 | |
| 27 Aug. | Light rain shower | 26° /18° | 5.2 mm | 6 | |
| 28 Aug. | Light rain shower | 25° /17° | 8.6 mm | 6 | |
| 29 Aug. | Light rain shower | 26° /16° | 6.9 mm | 6 | |
| 30 Aug. | Light rain shower | 26° /19° | 10.6 mm | 6 | |
| 31 Aug. | Light rain shower | 27° /19° | 3.9 mm | 6 | |
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Kusatsu weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/18° | 27°/18° | 23°/16° |
| Rainfall | 202 mm | 219 mm | 149 mm |
| Wind | 8.8 km/h | 7.7 km/h | 8.3 km/h |
| Humidity | 81% | 83% | 85% |
| Rainy days | 27 days | 28 days | 27 days |
| Dry days | 4 days | 3 days | 3 days |
Planning a trip to Kusatsu? Discover the best time to visit
Kusatsu in August - FAQ
What are the expected maximum and minimum temperatures in Kusatsu during August?
How much rainfall should be expected in Kusatsu during August?
What are the typical wind conditions in Kusatsu during August?
August rainfall patterns in Kusatsu
UV exposure in Kusatsu during August
What to pack to Kusatsu in August?
Warm & sunny · highs around 27 °C, frequent showers
As you prepare for your trip to Kusatsu in August, 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 Kusatsu, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Kusatsu?Get accurate weather forecasts for Kusatsu, located at latitude 36.617 and longitude 138.6. Stay updated with localized weather information tailored for Kusatsu.