Weather in Nagasaki for August 2026
Expect cooler weather in first days of August 2026 in Nagasaki with the forecast suggesting a temperature of 31.4 °C, lower than the historical average.
In general, the average temperature in Nagasaki at the beginning of August is 31.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °C by the end of August.
Nagasaki experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 259.2 mm.
Is August a good time to visit Nagasaki? check out the best time to travel to Nagasaki page.
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Nagasaki Weather August
Temperatures trend during August in Nagasaki
August weather in Nagasaki day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Partly cloudy | 31° /28° | 0 mm | 8 | |
| 2 Aug. |  Sunny | 32° /28° | 0 mm | 8 | |
| 3 Aug. | Sunny | 33° /26° | 0 mm | 8 | |
| 4 Aug. |  Patchy light rain with thunder | 31° /26° | 7 mm | 7 | |
| 5 Aug. | Patchy light rain with thunder | 30° /26° | 7.2 mm | 7 | |
| 6 Aug. |  Patchy rain possible | 31° /27° | 7.9 mm | 7 | |
| 7 Aug. | Sunny | 30° /26° | 12.8 mm | 7 | |
| 8 Aug. | Sunny | 31° /25° | 2.8 mm | 7 | |
| 9 Aug. | Partly cloudy | 29° /26° | 22.2 mm | 7 | |
| 10 Aug. | Sunny | 30° /26° | 61.9 mm | 7 | |
| 11 Aug. | Sunny | 29° /25° | 36.7 mm | 7 | |
| 12 Aug. | Sunny | 30° /25° | 9.1 mm | 7 | |
| 13 Aug. | Sunny | 30° /25° | 0.4 mm | 8 | |
| 14 Aug. | Patchy rain possible | 31° /26° | 1.6 mm | 7 | |
| 15 Aug. | Sunny | 31° /25° | 0.8 mm | 8 | |
| 16 Aug. | Patchy rain possible | 31° /26° | 0.8 mm | 7 | |
| 17 Aug. | Sunny | 31° /25° | 1.6 mm | 8 | |
| 18 Aug. | Partly cloudy | 31° /25° | 2.1 mm | 8 | |
| 19 Aug. | Light rain shower | 30° /26° | 4.2 mm | 7 | |
| 20 Aug. | Light rain shower | 30° /26° | 5.4 mm | 7 | |
| 21 Aug. | Patchy light rain with thunder | 29° /25° | 15.7 mm | 6 | |
| 22 Aug. | Light rain shower | 30° /25° | 2.9 mm | 7 | |
| 23 Aug. | Patchy light rain with thunder | 30° /26° | 2.7 mm | 7 | |
| 24 Aug. | Patchy rain possible | 30° /26° | 2.6 mm | 7 | |
| 25 Aug. | Light rain shower | 30° /26° | 6 mm | 7 | |
| 26 Aug. | Patchy rain possible | 30° /26° | 3.2 mm | 7 | |
| 27 Aug. |  Patchy light drizzle | 30° /26° | 3.3 mm | 7 | |
| 28 Aug. | Light rain shower | 29° /25° | 3.2 mm | 7 | |
| 29 Aug. | Light rain shower | 29° /25° | 21 mm | 7 | |
| 30 Aug. | Light rain shower | 28° /26° | 11.1 mm | 6 | |
| 31 Aug. | Patchy rain possible | 29° /25° | 2.9 mm | 7 | |
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Nagasaki weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/25° | 30°/26° | 29°/25° |
| Rainfall | 215 mm | 259 mm | 144 mm |
| Wind | 16.2 km/h | 18 km/h | 14.2 km/h |
| Humidity | 83% | 79% | 78% |
| Rainy days | 25 days | 25 days | 22 days |
| Dry days | 6 days | 6 days | 8 days |
Planning a trip to Nagasaki? Discover the best time to visit
Nagasaki in August - FAQ
What are the expected maximum and minimum temperatures in Nagasaki during August?
How much rainfall should be expected in Nagasaki during August?
What are the typical wind conditions in Nagasaki during August?
August rainfall patterns in Nagasaki
UV exposure in Nagasaki during August
What to pack to Nagasaki in August?
Warm & sunny · highs around 30 °C, frequent showers
As you prepare for your trip to Nagasaki 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 Nagasaki, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Nagasaki?Get accurate weather forecasts for Nagasaki, located at latitude 32.75 and longitude 129.883. Stay updated with localized weather information tailored for Nagasaki.