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> Canada > Ottawa, Ontario >December
Weather in December in Ottawa, Ontario
| < December > | ||
|---|---|---|
| Normal Max/ High Temperature | -4°C (26°F) | |
| Average Temperature | -7°C (19°F) | |
| Min/ Low Temperature | -11°C (12°F) | |
| Normal Precipitation | 73mm (2.9in) | |
| Number of Wet Days (probability of rain on a day) | 14 (45%) | |
| Average Sunlight per day | 02h 29' | |
| Average Daylight per day | 08h 47' | |
| Sunny (Cloudy) Daylight Hours | 29% (71%) | |
| Sun altitude at solar noon on the 21st day. | 21.3° | |
- The average temperature in Ottawa, Ontario in December is cold at -7.2 °C (19.04 °F).
- Afternoons can be slightly cold with average high temperatures reaching -3.6 °C (25.5 °F).
- Overnight temperatures are generally very cold with an average low of -11 °C (12.2 °F).
- In December the average diurnal temperature variation/ range is 7.4 °C (13.3 °F).
- Precipitation averages for December are moderate with 72.9mm (2.9 in) recorded across 14 days.
- The heavens above Ottawa, Ontario are very dim with on balance a scanty 2h 29' of bright solar radiation per day.
- The shortest day is 8h 43' long and the longest day is 8h 58' long with an average length of 8h 47'.
- There are approximately 6h 07' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 28.9% of daylight hours and cloudy 71.1% of daylight hours.
Weather Trend Graph for December in Ottawa, Ontario, Canada
