St. Catharines, Ontario, Canada Climate

Weather: 16.22°C/61.2°F, Wind SW at 7.2 km/h, 82% Humidity, 0% Chance of rain

Canada
(Photo by Joe deSousa on Unsplash)
Contents

St. Catharines Climate Summary

Located at an elevation of 108 meters (354.33 feet) above sea level, St. Catharines has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 10.26ºC (50.47ºF) and it is 8.17% higher than Canada’s averages. St. Catharines typically receives about 36.64 millimeters (1.44 inches) of precipitation and has 49.36 rainy days (13.52% of the time) annually.

CountryCanada
CityOntario
Longitude-79.2468626
Latitude43.1593745
Attitude/Elevation108m (354.33ft)
Local timeSunday 14:05
Annual high temperature12.11ºC (53.8ºF)
Annual low temperature6.92ºC (44.46ºF)
Average annual precip.36.64mm (1.44in)
Warmest monthJuly (26.71ºC / 80.08ºF)
Coldest MonthJanuary (-6.3ºC / 20.66ºF)
Wettest MonthAugust (45.04mm / 1.77in)
Driest MonthMarch (26.81mm / 1.06in)
Number of days with rainfall (≥ 1.0 mm)49.36 days (13.52%)
Days with no rain315.64 days (86.48%)
Humidity73.66%

Climate St. Catharines: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)10.0(50.0)13.0(55.4)15.0(59.0)19.0(66.2)27.0(80.6)29.0(84.2)31.0(87.8)31.0(87.8)31.0(87.8)26.0(78.8)18.0(64.4)12.0(53.6)31.0(87.8)
Average high °C (°F)-1.4(29.48)0.2(32.36)3.86(38.95)8.38(47.08)16.32(61.38)21.44(70.59)26.71(80.08)25.39(77.7)21.83(71.29)14.17(57.51)5.96(42.73)2.48(36.46)12.11(53.8)
Daily mean °C (°F)-3.1(26.42)-1.54(29.23)2.01(35.62)6.42(43.56)14.06(57.31)19.24(66.63)24.56(76.21)23.43(74.17)19.73(67.51)12.37(54.27)4.62(40.32)1.33(34.39)10.26(50.47)
Average low °C (°F)-6.3(20.66)-4.89(23.2)-1.04(30.13)3.04(37.47)9.96(49.93)15.32(59.58)20.75(69.35)20.03(68.05)16.49(61.68)9.03(48.25)1.77(35.19)-1.16(29.91)6.92(44.46)
Record low °C (°F)-20.0(-4.0)-19.0(-2.2)-12.0(10.4)-4.0(24.8)1.0(33.8)8.0(46.4)17.0(62.6)15.0(59.0)9.0(48.2)-2.0(28.4)-11.0(12.2)-12.0(10.4)-20.0(-4.0)
Average precipitation mm (inches)39.5(1.56)34.61(1.36)26.81(1.06)44.29(1.74)35.95(1.42)34.53(1.36)38.58(1.52)45.04(1.77)30.09(1.18)39.71(1.56)37.39(1.47)33.16(1.31)36.64(1.44)
Average precipitation days (≥ 1.0 mm)4.364.094.03.644.363.644.274.823.554.453.824.364.11
Average relative humidity (%)78.7279.0771.8171.8374.4473.5270.1870.1570.7471.2874.7977.4373.66
Mean monthly sunshine hours6.136.948.698.8812.1314.013.5510.8210.588.726.335.269.34

Climate Graph

The chart below shows the mean monthly temperature and precipitation of St. Catharines in recent years.

St. Catharines

St. Catharines Temperature by Month

July
24.56°C | 76.21°F
August
23.43°C | 74.17°F
September
19.73°C | 67.51°F
June
19.24°C | 66.63°F
May
14.06°C | 57.31°F
October
12.37°C | 54.27°F
April
6.42°C | 43.56°F
November
4.62°C | 40.32°F
March
2.01°C | 35.62°F
December
1.33°C | 34.39°F
February
-1.54°C | 29.23°F
January
-3.1°C | 26.42°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature26.0°C (78.8°F)19.87°C (67.77°F)13.0°C (55.4°F)
Avg Temperature24.0°C (75.2°F)17.83°C (64.09°F)12.0°C (53.6°F)
Min Temperature22.0°C (71.6°F)14.9°C (58.82°F)9.0°C (48.2°F)
Dew PointMaxAverageMin
Dew Point20.0°C (68.0°F)11.63°C (52.93°F)1.0°C (33.8°F)
PrecipitationMaxAverageMinSum
Precipitation27.5mm | 1.08in2.62mm | 0.1in0.0mm | 0in78.5mm | 3.09in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind27.0kmh | 16.78mph18.5kmh | 11.5mph11.0kmh | 6.84mph
Gust Wind49.0kmh | 30.45mph29.17kmh | 18.13mph18.0kmh | 11.18mph
Sea Level PressureMaxAverageMin
Sea Level Pressure27.5mb2.62mb0.0mb
St. Catharines

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-09-0124 | 75.219 | 66.28015 | 9.3229.91 | 10130.6 | 0.02
2020-09-0223 | 73.420 | 68.08119 | 11.8129.77 | 100826.1 | 1.03
2020-09-0323 | 73.416 | 60.87018 | 11.1829.74 | 10070.0 | 0.0
2020-09-0419 | 66.211 | 51.86125 | 15.5329.91 | 10132.2 | 0.09
2020-09-0520 | 68.011 | 51.86221 | 13.0530.15 | 10210.7 | 0.03
2020-09-0619 | 66.214 | 57.27412 | 7.4630.12 | 10200.7 | 0.03
2020-09-0721 | 69.815 | 59.07226 | 16.1629.85 | 10114.0 | 0.16
2020-09-0816 | 60.812 | 53.67821 | 13.0530.12 | 10204.0 | 0.16
2020-09-0919 | 66.216 | 60.88616 | 9.9430.21 | 10230.1 | 0.0
2020-09-1016 | 60.813 | 55.48015 | 9.3230.3 | 10260.0 | 0.0
2020-09-1116 | 60.810 | 50.06917 | 10.5630.24 | 10240.0 | 0.0
2020-09-1216 | 60.811 | 51.87116 | 9.9430.12 | 10200.5 | 0.02
2020-09-1320 | 68.017 | 62.68325 | 15.5329.91 | 101327.5 | 1.08
2020-09-1415 | 59.09 | 48.26518 | 11.1830.24 | 10240.0 | 0.0
2020-09-1515 | 59.07 | 44.66012 | 7.4630.3 | 10260.0 | 0.0
2020-09-1620 | 68.011 | 51.86226 | 16.1630.0 | 10160.0 | 0.0
2020-09-1714 | 57.29 | 48.26818 | 11.1830.09 | 10190.8 | 0.03
2020-09-1813 | 55.42 | 35.64921 | 13.0530.24 | 10240.0 | 0.0
2020-09-1912 | 53.61 | 33.85016 | 9.9430.39 | 10290.0 | 0.0
2020-09-2013 | 55.41 | 33.84817 | 10.5630.5 | 10330.0 | 0.0
2020-09-2114 | 57.25 | 41.05711 | 6.8430.47 | 10320.0 | 0.0
2020-09-2216 | 60.89 | 48.26612 | 7.4630.21 | 10230.0 | 0.0
2020-09-2318 | 64.413 | 55.47516 | 9.9429.94 | 10140.1 | 0.0
2020-09-2420 | 68.015 | 59.07916 | 9.9429.94 | 10140.0 | 0.0
2020-09-2519 | 66.214 | 57.27613 | 8.0830.0 | 10160.0 | 0.0
2020-09-2620 | 68.015 | 59.07318 | 11.1829.94 | 10140.0 | 0.0
2020-09-2722 | 71.616 | 60.87127 | 16.7829.8 | 10090.0 | 0.0
2020-09-2821 | 69.817 | 62.68116 | 9.9429.74 | 10073.9 | 0.15
2020-09-2916 | 60.811 | 51.87226 | 16.1629.83 | 10101.8 | 0.07
2020-09-3015 | 59.09 | 48.26726 | 16.1629.62 | 10035.5 | 0.22

St. Catharines 3 Year Historical Weather Data

Nearby locations

Comments (0)

  • Latest first
  • Highest rated
Be the first to comment on this page