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PORT STANLEY, ONTARIO


Home > North America > Canada > Ontario
Elevation: 183 meters     Latitude: 42 40N     Longitude: 081 13W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
07:17 am
05:01 pm

Local Time
4:38 pm EST
15 November, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C7.9-4.9-4.30.16.512.717.320.319.515.79.54.1-1.8

Average High Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C12.4-1.1-0.24.31117.822.325.524.720.714.37.81.6

Average Low Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C3.4-8.6-8.3-4.127.612.21514.210.64.70.4-5.3

Highest Recorded Temperature
Years on Record: 119  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C34.414.4132127.231.734.434.433.931.725.62015.5

Lowest Recorded Temperature
Years on Record: 119  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-32.8-32.8-32-27.2-16.7-5-0.63.3----2.2-8.3-18.9-31.7

Average Number of Days Above 95F/35C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days---------------------------------------

Average Number of Days Above 90F/32C
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2------------0.20.41.10.3------------

Average Number of Days Above 86F/30C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2.7------------0.30.51.50.3------------

Average Number of Days Above 70F/21C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days111.3------0.21.69.521.630.529.117.31.7------

Average Number of Days Above 50F/10C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days210.8---0.24.216.5303031313026.310.31.2

Average Number of Days Above 32F/0C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days317.214.914.924.529.631303131303128.321.1

Average Number of Days Below 35F/2C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days167.330.927.827.715.550.2---0.21.410.120.128.7

Average Number of Days Below 32F/0C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days141.529.426.124.410.12.3------0.10.45.816.526.4

Average Number of Days Below 28F/-2C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days98.924.921.2184.60.1------------1.78.719.7

Average Number of Days Below 10F/-12C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days33.811.510.94.50.2------------------0.26.8

Average Number of Days Below -4F/-20C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2.91.41.20.2------------------------0.3

Average Number of Days Below -22F/-30C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days---------------------------------------



PRECIPITATION 
Average Precipitation
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1080.760.162.574.585.280.393.395.9118.5104.987116.2102.4

Average Number of Days With Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days147.612.410.41313.512.711.21111.411.812.614.313.6

Most Precipitation Reported in a Day
Years on Record: 122  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm83.850.850.64562.879.483.862.281.568.8636174.9

Avg. No. of Days w/Precip. Above 0.1in/2.5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days156.312.910.812.914.413.211.111.91213.413.815.614.3

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days65.33.93.9564.95.35.25.85.75.57.76.5

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days35.21.61.92.62.92.23.13.33.73.52.84.23.4

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7.90.10.20.20.30.40.90.91.610.60.90.8



PRECIPITATION - RAIN 
Average Rainfall
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm987.533.13960.282.580.393.395.9118.5104.986.1111.582.2

Average Number of Rainy Days
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days132.25.15.29.413.513.211.111.91213.413.714.88.9

Most Rain Reported in a Day
Years on Record: 122  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm83.850.850.64562.879.483.862.281.568.8636174.9

Avg. No. of Days w/Rain Above 0.2in/5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days59.52.32.54.15.94.95.35.25.85.75.47.45.2

Avg. No. of Days w/Rain Above 0.4in/10mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days32.60.91.42.22.92.23.13.33.73.52.83.83

Avg. No. of Days w/Rain Above 1in/25mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7.80.10.20.20.30.40.90.91.610.60.90.8



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm93.22723.514.32.7---------------0.94.820.2

Average Number of Days With Snow
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days27.98.66.64.21---------------0.11.46.1

Average Snow Cover at Month End
Years on Record: 4  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm0.64.33------------------------------

Deepest Snow Cover Reported
Years on Record: 5  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm21211515---------------------103

Most Snow Reported in a Day
Years on Record: 122  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm44.530.539.140.638.15.1------------3344.543.2

Avg. No. of Days w/Snow Above 1in/2.5cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days28.78.66.94.31---------------0.31.16.6

Avg. No. of Days w/Snowfall Above 2in/5cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days5.91.61.510.2---------------0.10.31.3

Avg. No. of Days w/Snow Above 3.9in/10cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1.80.60.50.30.1------------------0.20.2

Avg. No. of Days w/Snowfall Above 10in/25cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days---------------------------------------



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2198.8405.7364.1309.7199.398.729.56.310.151.3148.4232.2343.7

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days106.1---------0.13.11641.933.711.10.2------

Growing Degree Days
Years on Record: 115  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days952.8------------17.2200310275.6150---------



SKY CONDITIONS 
Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.71011.112.513.915.215.915.514.312.911.510.29.6



SOLAR RADIATION 
Average Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.16.19.212.315.618.821.421.21814.59.55.54.8

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.42.53.55.278.28.78.27.25.64.12.82.2

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.711.514.115.215.917.218.618.917.716.6138.69

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.711.514.314.514.816.919.920.617.916.712.488.9

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.16.19.212.315.618.821.421.21814.59.55.54.8

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.62.53.65.37.18.598.77.55.94.22.82.2

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m217.514.31618.419.219.821.121.220.42115.910.311.9

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m219.315.216.719.520.42225.825.72324.216.610.212.3

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m210.75.67.69.612.715.717.417.216.111.17.54.13.8

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m252.33.34.86.57.887.66.74.73.82.62.1

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m211.51010.610.912.814.415.215.415.611.99.55.76.3

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m29.99.69.98.79.911.713.113.514.29.77.94.55.5




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