Chichibu-Tama-Kai National Park
- Annual mean
- 9.9 °C
- Warmest month
- August
- Wettest month
- September
Long-term monthly averages for temperature, precipitation, humidity, and daylight
This climate profile provides twelve-month atmospheric averages for a representative point within Minami Alps National Park at an elevation of 1369 meters. Data reflects NASA POWER measurements from 1991 to 2020, offering a stable view of monthly temperature fluctuations, precipitation rates, relative humidity, and daylight duration. These figures represent climatological norms rather than real-time conditions or forecasts for the entire protected landscape.

Analyzing thirty years of baseline temperature trends alongside monthly daily precipitation averages.
Track average temperature bounds, daily precipitation rates, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -5.1 °C-15.4° to 5.1° | 1.8 mm/day | 88.2% | 4 m/s | 9.9 hours |
| February | -4.2 °C-15.4° to 7.5° | 2.3 mm/day | 85.7% | 3.9 m/s | 10.7 hours |
| March | -0.1 °C-11.8° to 12.2° | 3.8 mm/day | 82.8% | 3.7 m/s | 11.8 hours |
| April | 5.4 °C-6.4° to 17.8° | 4.3 mm/day | 80.2% | 3.4 m/s | 12.9 hours |
| May | 10.8 °C-1.2° to 21.3° | 4.5 mm/day | 80.1% | 3 m/s | 13.9 hours |
| June | 15 °C5.7° to 23.8° | 5.9 mm/day | 84.6% | 2.6 m/s | 14.4 hours |
| July | 18.8 °C11.6° to 26.5° | 6.7 mm/day | 87.2% | 2.7 m/s | 14.1 hours |
| August | 19.6 °C12.3° to 26.9° | 4.8 mm/day | 86.3% | 2.3 m/s | 13.3 hours |
| September | 16.1 °C6.2° to 24.7° | 6.7 mm/day | 86.8% | 2.4 m/s | 12.2 hours |
| October | 10.2 °C-1.1° to 20.4° | 5.4 mm/day | 86.5% | 2.5 m/s | 11.1 hours |
| November | 4.1 °C-5.8° to 14.8° | 2.7 mm/day | 86.3% | 2.9 m/s | 10.1 hours |
| December | -1.9 °C-12.2° to 9.3° | 1.8 mm/day | 87.4% | 3.7 m/s | 9.6 hours |
Comparing long term monthly averages for temperature, precipitation, wind, and daylight duration
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Contrast annual temperature patterns and seasonal precipitation across regional protected landscapes

Delve deeper into the unique protected landscape of Minami Alps National Park, understanding its role as a vital watershed and a premier high-mountain wilderness. Examining its mapped boundaries and geographic context reveals the ecological significance of this dramatic alpine terrain within Japan's natural heritage, offering a rich atlas of protected areas.