| < 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 London, On in December is slightly cold at -3.4 °C (25.88 °F).
- Afternoons can be very cool with average high temperatures reaching 0.1 °C (32.2 °F).
- Overnight temperatures are generally cold with an average low of -7.1 °C (19.2 °F).
- The range/ variation of diurnal average temperatures in December is 7.2 °C (13 °F).
- The weather in December is hardly arid. Circa 95.3mm (3.8in) of H2O is deposited.
- The shortest day is 8:59 long and the longest day is 9:12 long with an average length of 9:03.
Check the distance to and compare the London, On December averages with somewhere beginning with:
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Weather Trend Graph for December in London, On, Canada
Navigate to December Weather in Locations Surrounding London, On:
- Toronto Downsview, On, Canada - 156.8 kms (97.4 miles) ENE
- Toronto, Pearson Intl, On, Canada - 142.3 kms (88.4 miles) ENE
- Toronto, Ontario, Canada - 156.7 kms (97.4 miles) ENE
- Waterloo Wellington, On, Canada - 78.6 kms (48.8 miles) NE
- St Catharines, On, Canada - 161.9 kms (100.6 miles) E
- Hamilton, On, Canada - 100 kms (62.1 miles) E
- Erie, Pa, Usa - 132 kms (82.1 miles) SE