Senjouga-dake Mountain
Mountain peak in Nagano, scenic hiking route
Senjouga-dake in Nagano is an alpine peak used by hikers and mountaineers; routes include ridge walking, seasonal alpine flora and basic mountain hut support on popular approaches.
Senjouga-dake at a Glance#
Best Time to Visit Senjouga-dake#
Best visited in summer (July-September) when trails are mostly snow-free and conditions are most favorable for hiking.
Summer (hiking season)
July-September · ~10-20°C (lower elevations)
Snow-free trails and the warmest conditions for trekking; expect cooler temperatures at the summit and prepare for sudden weather changes.
Autumn
October-November · ~5-15°C
Crisp weather and fall colors make for scenic hikes; days shorten and temperatures drop, so plan accordingly.
Winter
December-March · Below freezing at higher elevations
Snow and ice are common; mountain conditions can be hazardous and require winter mountaineering experience and gear.
Weather & Climate near Senjouga-dake#
Climate
Senjouga-dake's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -16°C to 17°C. Heavy rainfall (2277 mm/year), wettest in August.
Air Quality:
AQI 48
Good
Best Time to Visit
AugustJulyNovember
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-20°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -16° - -6° | -21° | 53 mm | partly cloudy | 88% | 7.7 m/s | 0.4 low | 9.9h |
| February | Poor | -16° - -6° | -21° | 75 mm | partly cloudy | 86% | 7.9 m/s | 0.6 moderate | 10.8h |
| March | Poor | -13° - -3° | -16° | 129 mm | partly cloudy | 83% | 7.1 m/s | 0.9 moderate | 11.8h |
| April | Poor | -6° - 4° | -7° | 185 mm | partly cloudy | 80% | 7.4 m/s | 1.2 high | 13.0h |
| May | Poor | -1° - 9° | -1° | 213 mm | overcast | 80% | 7.0 m/s | 1.5 high | 13.9h |
| June | Poor | 3° - 13° | 5° | 297 mm | overcast | 84% | 6.3 m/s | 1.5 high | 14.4h |
| July | Acceptable | 8° - 16° | 12° | 309 mm | overcast | 87% | 5.4 m/s | 1.6 very high | 14.1h |
| August | Acceptable | 9° - 17° | 13° | 367 mm | overcast | 86% | 5.4 m/s | 1.7 very high | 13.3h |
| September | Poor | 5° - 13° | 6° | 316 mm | overcast | 87% | 5.8 m/s | 1.3 high | 12.3h |
| October | Poor | -1° - 8° | -1° | 176 mm | partly cloudy | 86% | 5.4 m/s | 0.9 moderate | 11.2h |
| November | Poor | -6° - 3° | -8° | 104 mm | partly cloudy | 87% | 6.9 m/s | 0.5 moderate | 10.2h |
| December | Poor | -12° - -3° | -15° | 53 mm | some cloud | 88% | 7.2 m/s | 0.4 low | 9.7h |
