Best Time to Visit Sayama
Best time: Apr, May, Nov.
Aug is warmest (30.2°C high); Sep is rainiest (207 mm).
Sayama weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 8.9 | -2 | 41 | 4.4 |
| Feb | 9.4 | -1 | 55 | 5.1 |
| Mar | 12.5 | 2.3 | 82 | 6.1 |
| Apr | 18.4 | 8.1 | 101 | 7.2 |
| May | 22.7 | 12.7 | 133 | 8 |
| Jun | 24.9 | 17.1 | 187 | 7 |
| Jul | 28.5 | 20.8 | 172 | 7.3 |
| Aug | 30.2 | 22 | 194 | 7.6 |
| Sep | 25.9 | 18.5 | 207 | 5.6 |
| Oct | 20.7 | 12.2 | 166 | 4.8 |
| Nov | 15.7 | 5.8 | 71 | 4 |
| Dec | 11.3 | 0.3 | 44 | 3.8 |
Average high temperature
Best months by activity
Overall: AprMayNov
Beaches: Aug
Hiking: NovDecJanMay
Sightseeing: AprNovMay
Sayama 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 Sayama?
Apr, May, Nov.
What is the rainiest month?
Sep, about 207 mm.
What is the warmest month?
Aug, with average highs of 30.2°C.
Where to stay
See Sayama hotels · Book Sayama tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.