Akan Mashu National Park
- Annual mean
- 4.9 °C
- Warmest month
- August
- Wettest month
- September
Detailed twelve-month normals for temperature, precipitation, wind, and daylight exposure
At the representative location for Kushiro-Shitsugen National Park, monthly mean temperatures range from -5.3 to 18.9 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

Tracing the relationship between twelve months of thermal ranges and average daily precipitation rates
A multi-variable look at average temperature bounds, daily precipitation rates, humidity, and wind.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -5.2 °C-13.6° to 2.7° | 1.4 mm/day | 86.8% | 5.7 m/s | 9.2 hours |
| February | -5.3 °C-14.6° to 3° | 1.1 mm/day | 86.3% | 5.7 m/s | 10.3 hours |
| March | -1.2 °C-10.8° to 8.6° | 1.7 mm/day | 81.9% | 5.8 m/s | 11.7 hours |
| April | 3.6 °C-3.5° to 14.8° | 2.4 mm/day | 82.1% | 5.1 m/s | 13.2 hours |
| May | 8.5 °C0.1° to 19.6° | 3.4 mm/day | 84.6% | 4.6 m/s | 14.5 hours |
| June | 12.8 °C5.3° to 22.1° | 3.5 mm/day | 87.7% | 3.8 m/s | 15.1 hours |
| July | 17 °C10° to 25.6° | 3.9 mm/day | 88.9% | 3.6 m/s | 14.8 hours |
| August | 18.9 °C12.2° to 27.1° | 4.6 mm/day | 88% | 3.8 m/s | 13.7 hours |
| September | 16.4 °C8.6° to 24.5° | 4.9 mm/day | 85.8% | 4.4 m/s | 12.3 hours |
| October | 10.8 °C2.2° to 19.3° | 3.5 mm/day | 83.3% | 5.2 m/s | 10.8 hours |
| November | 4.4 °C-3.4° to 14.2° | 2.3 mm/day | 82.2% | 5.7 m/s | 9.5 hours |
| December | -1.9 °C-9.9° to 7.5° | 1.9 mm/day | 83.7% | 5.9 m/s | 8.9 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Seasonal variations in temperature, precipitation, and daylight duration based on long-term climatology
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Compare long term temperature patterns and precipitation rhythms across diverse geographic settings.

Explore the map, landscapes, and protection details for Kushiro-Shitsugen National Park.