Best Time to Visit Nagaoka
Best time: May, Aug, Jun.
Aug is warmest (30.4°C high); Dec is rainiest (400 mm).
Nagaoka weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 3.7 | -3 | 339 | 2.9 |
| Feb | 3.8 | -3.2 | 228 | 4 |
| Mar | 7.6 | -0.7 | 152 | 5.5 |
| Apr | 15.4 | 4.6 | 122 | 7.3 |
| May | 21.2 | 11 | 108 | 8.3 |
| Jun | 24.8 | 16.6 | 144 | 7.4 |
| Jul | 28.7 | 20.9 | 193 | 7.3 |
| Aug | 30.4 | 21.8 | 139 | 7.6 |
| Sep | 25.8 | 17.5 | 196 | 5.6 |
| Oct | 19.8 | 10.9 | 194 | 4.5 |
| Nov | 13.9 | 5 | 258 | 3.2 |
| Dec | 7.5 | 0.2 | 400 | 2.6 |
Average high temperature
Best months by activity
Overall: MayAugJun
Beaches: Aug
Hiking: May
Sightseeing: MayJun
Nagaoka quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Nagaoka?
May, Aug, Jun.
What is the rainiest month?
Dec, about 400 mm.
What is the warmest month?
Aug, with average highs of 30.4°C.
Where to stay
See Nagaoka hotels · Book Nagaoka 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.