Iwaki in May
6.3out of 10
Possible, with caveats
Mild: highs around 17°C. Frequent rain: about 13 rainy days.
17°CAvg high
14°CAvg low
13Rainy days (146 mm)
13:59 hDaylight
04:33Sunrise · 18:32 Sunset
Why this score
- Mild: highs around 17°C
- Frequent rain: about 13 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.3 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 | 7°C | 3°C | 72 mm | 8 | – | – | 5.7 |
| February | 7°C | 3°C | 69 mm | 9 | – | – | 5.5 |
| March | 10°C | 5°C | 124 mm | 12 | – | – | 5.3 |
| April | 14°C | 9°C | 134 mm | 12 | – | – | 5.9 |
| May | 17°C | 14°C | 146 mm | 13 | – | – | 6.3 |
| June | 20°C | 17°C | 148 mm | 15 | – | – | 6.5 |
| July | 23°C | 20°C | 172 mm | 15 | – | – | 6.7 |
| August | 25°C | 22°C | 126 mm | 12 | – | – | 7.3 |
| September | 23°C | 20°C | 197 mm | 14 | – | – | 6.6 |
| October | 19°C | 15°C | 219 mm | 13 | – | – | 6.2 |
| November | 15°C | 10°C | 110 mm | 10 | – | – | 6.4 |
| December | 10°C | 5°C | 72 mm | 9 | – | – | 6.0 |
Frequently asked questions
How hot is Iwaki in May?
Daytime highs average 17°C and nights about 14°C.
When is the best time to visit Iwaki?
The best months are August, July.