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Weather in York Region

York Region has a unique landscape of farmlands, wetlands, lakes and forests. There are four different seasons - winter, spring, summer and fall.

Here is what the four seasons are like in York Region:


December to March is the coldest season of the year. There is snowfall during these months. Temperatures do not usually go above 0˚C/32˚F and can be as low as -25˚C/-13˚F. In the winter it is very important to be dressed warmly. You should have warm boots, coat, scarf, gloves, hat, and underclothes. York Region can have heavy snowfall so it is important to check the weather forecast before going out in the winter. Wind chill is a common term used in the winter. The wind chill temperature is also a part of the winter weather forecast. With a wind chill, the chill from the wind makes the temperatures feel lower. For example, the real temperature may be -10˚C, but it may feel like -25˚C because it is windy. It is very important when going outside in the winter to be prepared to the low temperatures.


March to May is the rainy season. Daytime temperatures get warmer but the nights remain cool. The average temperature is 12˚C/36˚F. In the spring, it is important to have an umbrella or rain jacket ready.


June to August is hot and dry. Daytime temperatures are usually between 20˚C/68˚F and 30˚C/86˚F. It can also be very humid, which will make the temperature feel higher. There is little to moderate rainfall during this time of year. In the summer, it can be very hot and humid. It is important to wear proper clothing and use sunscreen. Make sure your sunscreen contains both UVA and UVB protection with SPF 30 or higher. SPF stands for sun protection factor. It is the degree to which a sunscreen protects the skin from the sun’s rays. It is also very important to keep hydrated during this season.


September to November is cooler and it can be rainy. The average daytime temperatures are between 10°C/50°F and 12°C/36°F. Temperatures become cooler the closer it is to winter, and it is important to dress appropriately for the dropping temperatures. Temperatures may change a lot from daytime to night time so it is important to check your local weather forecast and dress appropriately for the day.


For more information about the weather in Ontario and York Region: