| < December >
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Tallin in December is slightly cold at -2.9 °C (26.78 °F).
- The weather in December is slightly dry with snow periodically. Only 55mm (2.2in) of H2O precipitates during an average of 17 days.
- The skies in Tallin are extremely dismal having on average a grim 0:30 of beaming solar radiation per day.
- The shortest day is 6:04 long and the longest day is 6:36 long with an average length of 6:12.
- There are approximately 5:20 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 8.8% of daylight hours and cloudy 91.2% of daylight hours.
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Weather Trend Graph for December in Tallin, Estonia
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