Almanac Averages and Extremes for May 15

TRENTON A
ONTARIO

44°07'00.000" N
77°32'00.000" W
86.30 m
6158875
71621
YTR

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature 18.3 °C  
Average Minimum Temperature 7.0 °C  
Monthly Frequency of Precipitation 40 %  
Highest Temperature (1935-2020) 26.7 °C 1961
Lowest Temperature (1935-2020) 0.0 °C 1935
Greatest Precipitation (1935-2020) 48.0 mm 2007
Greatest Rainfall (1935-2020) 48.0 mm 2007
Greatest Snowfall (1935-2020)    
Most Snow on the Ground (1955-2017)    
Most Recent Daily Data for May 15
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
2021                   
2020  16.3 8.7 12.5 4.8 0.0 4.8      
2019  19.4 4.7 12.1 1.2 0.0 1.2   30 41
2017 21.8 7.6 14.7 0.0 0.0 0.0 0 32LegendEE 35LegendEE

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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