Almanac Averages and Extremes for December 18
L'ASSOMPTION
QUEBEC
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | -4.1 °C | |
| Average Minimum Temperature | -13.5 °C | |
| Monthly Frequency of Precipitation | ||
| Highest Temperature (1930-2022) | 5.7 °C | 1996 |
| Lowest Temperature (1930-2022) | -30.0 °C | 1942 |
| Greatest Precipitation (1930-2022) | 35.1 mm | 2012 |
| Greatest Rainfall (1930-2012) | 19.2 mm | 1990 |
| Greatest Snowfall (1930-2012) | 12.7 cm | 1937, 1951 |
| Most Snow on the Ground (1961-2022) | 53.0 cm | 1968 |
| Year | Maximum Temperature DefinitionMax Temp °C |
Minimum Temperature DefinitionMin Temp °C |
Mean Temperature DefinitionMean Temp °C |
Total Rain DefinitionTotal Rain mm |
Total Snow DefinitionTotal Snow cm |
Total Precipitation DefinitionTotal Precip mm |
Snow on Ground DefinitionSnow on Grnd cm |
Direction of Maximum Gust DefinitionDir of Max Gust 10's deg |
Speed of Maximum Gust DefinitionSpd of Max Gust km/h |
|---|---|---|---|---|---|---|---|---|---|
| 2022 † | -0.5 | -6.1 | -3.3 | 0.2 | 23 | ||||
| 2021 † | -1.6 | -6.6 | -4.1 | 4.7 | |||||
| 2020 † | -5.2 | -15.7 | -10.5 | 0.0 | |||||
| 2019 † | -2.2 | -16.5 | -9.3 | LegendMM | 1 | 28 | 35 | ||
| 2018 † | -4.0 | -10.2 | -7.1 | 0.0 | 32 | 41 |
Legend
- A = Accumulated
- B = More than one occurrence and estimated
- C = Precipitation occurred, amount uncertain
- E = Estimated
- F = Accumulated and estimated
- L = Precipitation may or may not have occurred
- M = Missing
- N = Temperature missing but known to be > 0
- S = More than one occurrence
- T = Trace
- Y = Temperature missing but known to be < 0
- [empty] = Indicates an unobserved value
- ^ = The value displayed is based on incomplete data
- † = Data that is not subject to review by the National Climate Archives
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