Karatsu in May
7.3out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 10 rainy days.
21°CAvg high
17°CAvg low
10Rainy days (140 mm)
13:44 hDaylight
05:24Sunrise · 19:08 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (3.0 days). 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 May?
Daytime highs average 21°C and nights about 17°C.
When is the best time to visit Karatsu?
The best months are October.