Karatsu in August
6.7out of 10
Possible, with caveats
Warm and comfortable: highs around 29°C. Frequent rain: about 14 rainy days.
29°CAvg high
26°CAvg low
14Rainy days (162 mm)
13:15 hDaylight
05:47Sunrise · 19:01 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Frequent rain: about 14 rainy days
- Rain varies a lot between years (±4.8 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in August varies a lot between years (±4.8 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 6°C | 78 mm | 12 | – | – | 5.5 |
| February | 10°C | 6°C | 81 mm | 10 | – | – | 5.8 |
| March | 13°C | 8°C | 124 mm | 11 | – | – | 5.9 |
| April | 17°C | 12°C | 134 mm | 11 | – | – | 6.6 |
| May | 21°C | 17°C | 140 mm | 10 | – | – | 7.3 |
| June | 24°C | 21°C | 282 mm | 15 | – | – | 6.1 |
| July | 28°C | 25°C | 257 mm | 16 | – | – | 6.2 |
| August | 29°C | 26°C | 162 mm | 14 | – | – | 6.7 |
| September | 26°C | 22°C | 183 mm | 13 | – | – | 6.9 |
| October | 22°C | 18°C | 100 mm | 8 | – | – | 7.9 |
| November | 17°C | 13°C | 93 mm | 9 | – | – | 7.0 |
| December | 12°C | 8°C | 81 mm | 11 | – | – | 5.9 |
Frequently asked questions
How hot is Karatsu in August?
Daytime highs average 29°C and nights about 26°C.
When is the best time to visit Karatsu?
The best months are October.