| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Nagano in December is very cool at 1.7 °C (35.06 °F).
- Afternoons can be cool with average high temperatures reaching 6.4 °C (43.5 °F).
- Overnight temperatures are generally slightly cold with an average low of -2.1 °C (28.2 °F).
- In December there is a range/ variation of daily average temperatures of 8.5 °C (15.3 °F).
- The weather in December is a little parched. A mere 40.1mm (1.6in) of water is transfered.
- The shortest day is 9:38 long and the longest day is 9:49 long with an average length of 9:41.
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Weather Trend Graph for December in Nagano, Japan
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