Kitakyūshū weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: April – May, September – November
What is the weather like in Kitakyūshū in August?
In August, Kitakyūshū is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 27.3 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 151 mm in total. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Kitakyūshū.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 51 | 52 | 70 |
| Day | 29° | 30° | 27° |
| Night | 24° | 25° | 22° |
| Sea | 25° | 27° | 26° |
| Sun | 5 h | 6 h | 5 h |
| Rain days | 16 | 13 | 12 |
More details for August
- Daylight
- 13 h 27 min05:38 – 19:05
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 18 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %59 %
- Sunshineweight 20 %53 %
- Few rainy daysweight 30 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Kitakyūshū in August: quick answers
Is Kitakyūshū hot in August?
Yes. In August, Kitakyūshū is hot: daytime highs average 30 °C and nights stay around 25 °C. On about 18 days the thermometer climbs to 30 °C or more.
Can you swim in Kitakyūshū in August?
Yes. In August the sea averages 27.3 °C – lovely and warm for swimming.
Does it rain much in Kitakyūshū in August?
Rain is frequent, with about 13 rainy days and 151 mm in total.
Kitakyūshū month by month
The whole year in KitakyūshūAll destinations: JapanWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences