Almanac Averages and Extremes for June 29
TRENTON A
ONTARIO
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | 25.0 °C | |
| Average Minimum Temperature | 13.7 °C | |
| Monthly Frequency of Precipitation | 39 % | |
| Highest Temperature (1935-2023) | 33.3 °C | 1959 |
| Lowest Temperature (1935-2023) | 3.0 °C | 1988 |
| Greatest Precipitation (1935-2023) | 22.2 mm | 1998 |
| Greatest Rainfall (1935-2023) | 22.2 mm | 1998 |
| Greatest Snowfall (1935-2023) | ||
| Most Snow on the Ground (1955-2017) |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2023 † | 24.6 | 12.8 | 18.7 | 0.0 | 0.0 | 0.0 | |||
| 2022 † | 21.5 | 12.4 | 17.0 | 0.2 | 0.0 | 0.2 | 23 | 31 | |
| 2021 † | |||||||||
| 2020 † | 29.5 | 17.0 | 23.3 | 0.0 | 0.0 | 0.0 | |||
| 2019 † | 28.0 | 18.5 | 23.3 | 2.8 | 0.0 | 2.8 |
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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