Windsor, Ontario Weather by Month and Climate Averages

How much rain does Windsor get?

Windsor gets 939 mm of precipitation in an average year, spread over about 146 days with measurable rain. That is more rainy days than 68% of Canada.

August is the wettest month, with 95 mm. February is the driest, with 61 mm. January has the most rainy days, about 16.

The longest dry spell in the last five years lasted 22 days, to June 10, 2023.

Does it snow in Windsor?

The snowiest winter on record is 2004–05, with 176 cm.

The most recent measurable snow at the station fell on April 5, 2024.

Windsor weather by month

Windsor weather in January

In January, Windsor averages a high of 1°C and a low of -6°C. It gets 70 mm of precipitation over about 16 rainy days. The sun is out about 20% of daylight hours. The January record high is 17°C (2008) and the record low is -28°C (1994).

Windsor weather in February

In February, Windsor averages a high of 2°C and a low of -6°C. It gets 61 mm of precipitation over about 12 rainy days. The sun is out about 33% of daylight hours. The February record high is 23°C (2024) and the record low is -23°C (2015).

Windsor weather in March

In March, Windsor averages a high of 8°C and a low of -2°C. It gets 68 mm of precipitation over about 12 rainy days. The sun is out about 34% of daylight hours. The March record high is 28°C (2012) and the record low is -20°C (2003).

Windsor weather in April

In April, Windsor averages a high of 15°C and a low of 4°C. It gets 86 mm of precipitation over about 13 rainy days. The sun is out about 37% of daylight hours. The April record high is 31°C (1994) and the record low is -8°C (1995).

Windsor weather in May

In May, Windsor averages a high of 21°C and a low of 10°C. It gets 94 mm of precipitation over about 14 rainy days. The sun is out about 40% of daylight hours. The May record high is 34°C (2012) and the record low is -2°C (2004). May is one of the most comfortable months to visit.

Windsor weather in June

In June, Windsor averages a high of 27°C and a low of 16°C. It gets 81 mm of precipitation over about 11 rainy days. The sun is out about 49% of daylight hours. The June record high is 37°C (2011) and the record low is 4°C (1998).

Windsor weather in July

In July, Windsor averages a high of 29°C and a low of 18°C. It gets 86 mm of precipitation over about 11 rainy days. The sun is out about 50% of daylight hours. The July record high is 39°C (1995) and the record low is 9°C (2001).

Windsor weather in August

In August, Windsor averages a high of 28°C and a low of 18°C. It gets 95 mm of precipitation over about 10 rainy days. The sun is out about 51% of daylight hours. The August record high is 38°C (2001) and the record low is 8°C (2009).

Windsor weather in September

In September, Windsor averages a high of 24°C and a low of 14°C. It gets 94 mm of precipitation over about 10 rainy days. The sun is out about 51% of daylight hours. The September record high is 36°C (2013) and the record low is 1°C (1995). September is one of the most comfortable months to visit.

Windsor weather in October

In October, Windsor averages a high of 17°C and a low of 8°C. It gets 69 mm of precipitation over about 11 rainy days. The sun is out about 43% of daylight hours. The October record high is 32°C (2007) and the record low is -3°C (2008). October is one of the most comfortable months to visit.

Windsor weather in November

In November, Windsor averages a high of 9°C and a low of 2°C. It gets 70 mm of precipitation over about 12 rainy days. The sun is out about 41% of daylight hours. The November record high is 26°C (2015) and the record low is -12°C (2019).

Windsor weather in December

In December, Windsor averages a high of 3°C and a low of -3°C. It gets 64 mm of precipitation over about 14 rainy days. The sun is out about 21% of daylight hours. The December record high is 21°C (1998) and the record low is -19°C (2000).

Sunshine, humidity and wind in Windsor

August is the sunniest month in Windsor, with sunshine about 51% of daylight hours. January is the cloudiest, at 20%. Over the year the sun shines about 39% of daylight hours. Windsor is sunnier than 76% of Canada.

Humidity peaks in January at 76% and is lowest in June at 63%.

Windsor has about 14 days a year above 32°C. Windsor is hotter than 96% of Canada.

First and last freeze in Windsor

The first fall freeze in Windsor typically comes around October 31, and the last spring freeze around April 25. That leaves a frost-free growing season of about 189 days.

Windsor weather records

The hottest temperature on record at the Windsor station is 39°C, on July 14, 1995. The coldest is -28°C, on January 19, 1994.

The wettest day on record brought 147 mm of rain, on September 28, 2016.

36 all-time records have been set at the station since 1993.

The annual mean temperature has changed by +0.4°C per decade since 1994.

The best time to visit Windsor

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 21°C.

Winter (December–February) is cold, with average highs around 2°C and lows near -5°C. Snow is possible.

Spring (March–May) is mild, with average highs around 15°C and lows near 4°C.

Summer (June–August) is hot, with average highs around 28°C and lows near 17°C.

Autumn (September–November) is mild, with average highs around 17°C and lows near 8°C.

Windsor climate questions

How much rain does Windsor get?

Windsor gets 939 mm of precipitation in an average year, over about 146 rainy days.

What is the wettest month in Windsor?

August is the wettest month in Windsor, with 95 mm. February is the driest, with 61 mm.

How many rainy days does Windsor have a year?

Windsor has about 146 days with measurable rain in an average year. January has the most, about 16.

What is the hottest month in Windsor?

July is the warmest month in Windsor, with an average high of 29°C.

What is the coldest month in Windsor?

January is the coldest month in Windsor, with an average low of -6°C.

What is the record high temperature in Windsor?

The record high at the Windsor station is 39°C, set on July 14, 1995. The record low is -28°C, on January 19, 1994.

What is the sunniest month in Windsor?

August is the sunniest month in Windsor, with sunshine about 51% of daylight hours. January is the cloudiest.

When is the first frost in Windsor?

The first fall freeze in Windsor typically comes around October 31. The last spring freeze is around April 25.

What is the best time to visit Windsor?

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 21°C.