Best Time to Visit Iwatsuki
Best time: May, Apr, Nov.
Aug is warmest (30.3°C high); Sep is rainiest (195 mm).
Iwatsuki weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 9 | -1.2 | 34 | 4.4 |
| Feb | 9.6 | -0.4 | 51 | 5.2 |
| Mar | 12.7 | 2.9 | 82 | 6.1 |
| Apr | 18.6 | 8.6 | 106 | 7.1 |
| May | 22.8 | 13.4 | 122 | 8 |
| Jun | 25 | 17.8 | 166 | 6.9 |
| Jul | 28.5 | 21.3 | 153 | 7.2 |
| Aug | 30.3 | 22.7 | 158 | 7.5 |
| Sep | 26.2 | 19 | 195 | 5.5 |
| Oct | 21 | 12.8 | 157 | 4.7 |
| Nov | 16.1 | 6.5 | 72 | 3.9 |
| Dec | 11.5 | 1 | 36 | 3.8 |
Average high temperature
Best months by activity
Overall: MayAprNov
Beaches: AugJulJunSep
Hiking: DecNovJanFeb
Sightseeing: AprMayNovDec
Iwatsuki quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (Apr, May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Iwatsuki?
May, Apr, Nov.
What is the rainiest month?
Sep, about 195 mm.
What is the warmest month?
Aug, with average highs of 30.3°C.
Where to stay
See Iwatsuki hotels · Book Iwatsuki tours & activities
All destinations · Best time to visit Tokyo · Best time to visit Kyoto · Best time to visit Fuji · Best time to visit Atsugi
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.