Windsor ON Average Temperatures by Month

The numbers here tell you how hot and cold the weather usually is in Windsor, Ontario during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 10, 20 or 30 °C each month in Windsor, scroll down farther. There are also monthly and yearly counts of days with frost and cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Windsor, 2010 to 2019
High °F	Low °F		High °C	Low °C
32	20	January	0	-7
35	22	February	2	-6
46	29	March	8	-1
58	39	April	15	4
72	52	May	22	11
81	62	June	27	16
85	66	July	30	19
83	65	August	28	18
76	58	September	24	15
63	47	October	17	8
48	35	November	9	1
39	28	December	4	-2
60	44	Year	16	6

30-year temperature averages for Windsor, 1981 to 2010
High °F	Low °F		High °C	Low °C
31	19	January	0	-7
34	21	February	1	-6
44	28	March	7	-2
57	39	April	14	4
69	49	May	20	10
78	59	June	26	15
83	64	July	28	18
80	63	August	27	17
73	55	September	23	13
61	44	October	16	7
48	35	November	9	1
36	24	December	2	-4
58	42	Year	14	5

Days of Hot Weather in Windsor

The hottest days at Windsor have temperatures peaking in the thirties Celsius. The city averages one day a summer when the thermometer climbs above 35 °C (95 °F). The thirty-degree weather can show up here anytime from April to October.

Days per month in Windsor over 10, 20 or 30 °C
	10 °C 50 °F	20 °C 68 °F	30 °C 86 °F
January	1	0	0
February	2	0	0
March	9	1	0
April	22	6	0
May	30	15	1
June	30	27	6
July	31	31	9
August	31	30	6
September	30	22	2
October	27	7	0
November	12	1	0
December	2	0	0
Year	227	139	23

When Windsor Has Frosty Weather

Windsor typically has 116 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is April 17. Frost normally returns here on October 30. The frost-free period extends for 195 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Windsor
	0 °C 32 °F
January	28
February	25
March	21
April	6
May	0
June	0
July	0
August	0
September	0
October	1
November	12
December	25
Year	116

How Often Windsor Has Cold Temperatures

Windsor's chilliest winter nights have lows in the minus-twenties °C (below -3 °F). But the city averages only one night a year, usually in January, when the thermometer drops that low. Temperatures below -30 °C (-22 °F) are not normal here.

From November to April, Windsor can remain below freezing all day long. The city typically has 44 days a year when the temperature never rises above 0 °C.

Days per month on average in Windsor when the minimum temperature drops below -2 or -10 °C
	-2 °C 28 °F	-10 °C 14 °F
January	24	10
February	21	7
March	15	2
April	2	0
May	0	0
June	0	0
July	0	0
August	0	0
September	0	0
October	0	0
November	6	0
December	19	5
Year	88	24

Windsor Temperatures: Averages by Month

Days of Hot Weather in Windsor

When Windsor Has Frosty Weather

How Often Windsor Has Cold Temperatures

References

More on Weather in Ontario