Iwatsuki in August
6.6out of 10
Possible, with caveats
Hot: daytime highs around 31°C. Frequent rain: about 12 rainy days.
31°CAvg high
24°CAvg low
12Rainy days (119 mm)
13:22 hDaylight
05:04Sunrise · 18:26 Sunset
Why this score
- Hot: daytime highs around 31°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Light, breathable clothing
- 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 (±3.4 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 | 0°C | 58 mm | 6 | – | – | 6.1 |
| February | 10°C | 1°C | 58 mm | 8 | – | – | 6.0 |
| March | 14°C | 4°C | 96 mm | 11 | – | – | 6.2 |
| April | 19°C | 10°C | 105 mm | 11 | – | – | 7.0 |
| May | 24°C | 15°C | 129 mm | 12 | – | – | 7.3 |
| June | 26°C | 19°C | 154 mm | 15 | – | – | 6.7 |
| July | 30°C | 23°C | 156 mm | 14 | – | – | 6.6 |
| August | 31°C | 24°C | 119 mm | 12 | – | – | 6.6 |
| September | 27°C | 21°C | 175 mm | 14 | – | – | 6.8 |
| October | 22°C | 14°C | 188 mm | 12 | – | – | 7.0 |
| November | 16°C | 8°C | 79 mm | 8 | – | – | 7.1 |
| December | 11°C | 2°C | 51 mm | 6 | – | – | 6.5 |
Frequently asked questions
How hot is Iwatsuki in August?
Daytime highs average 31°C and nights about 24°C.
When is the best time to visit Iwatsuki?
The best months are May, November, April, October.