Monthly weather forecast in St Catharines

30 daysJanFebMarAprMayJunJulAugSepOctNovDec
30 daysJanFebMarAprMayJunJulAugSepOctNovDec
SundayMondayTuesdayWednesdayThursdayFridaySaturday
11 August, Sunday. day, 24°; night, 21°; rain12 August, Monday. day, 24°; night, 20°; clear13 August, Tuesday. day, 24°; night, 20°; rain14 August, Wednesday. day, 27°; night, 17°; mostly clear15 August, Thursday. day, 28°; night, 21°; partly cloudy16 August, Friday. day, 27°; night, 21°; partly cloudy17 August, Saturday. day, 26°; night, 20°; light rain
18 August, Sunday. day, 25°; night, 20°; heavy rain19 August, Monday. day, 23°; night, 18°; rain20 August, Tuesday. day, 22°; night, 18°; mostly clear21 August, Wednesday. day, 24°; night, 19°; partly cloudy22 August, Thursday. day, 25°; night, 20°; rain23 August, Friday. day, 26°; night, 18°; partly cloudy24 August, Saturday. day, 25°; night, 20°; partly cloudy
25 August, Sunday. day, 25°; night, 18°; partly cloudy26 August, Monday. day, 23°; night, 8°; partly cloudy27 August, Tuesday. day, 16°; night, 10°; clear28 August, Wednesday. day, 19°; night, 6°; clear29 August, Thursday. day, 21°; night, 11°; clear30 August, Friday. day, 23°; night, 17°; clear31 August, Saturday. day, 25°; night, 20°; clear
1 September, Sunday. day, 23°; night, 17°; rain2 September, Monday. day, 20°; night, 14°; partly cloudy3 September, Tuesday. day, 16°; night, 15°; rain4 September, Wednesday. day, 16°; night, 10°; partly cloudy5 September, Thursday. day, 15°; night, 9°; mostly clear6 September, Friday. day, 18°; night, 10°; clear7 September, Saturday. day, 18°; night, 14°; mostly clear
8 September, Sunday. day, 18°; night, 12°; light rain9 September, Monday. day, 18°; night, 11°; clear10 September, Tuesday. day, 20°; night, 17°; clear11 September, Wednesday. day, 24°; night, 25°; light rain12 September, Thursday. day, 21°; night, 11°; rainNext, the average data for 10 years13 September, Friday. day, 21°; night, 16°; rain14 September, Saturday. day, 20°; night, 18°; partly cloudy

Average for 30 days

12 sunny days; 9 days with precipitation; 9 cloudy days;
air humidity 74%; 34 millimeters of precipitation (4% of annual average); Wind north-westerly 4.1 Meters per second; Water temperature +26°