Climate and monthly weather forecast
Barrie, Canada

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The climate of Barrie

Barrie, ensconced within the geographical boundaries of Canada, boasts of a Dfb Köppen climate classification. This signals a humid continental climate with no dry season and a warm summer. Weatherwise, there is a distinct variation observable throughout the year. One cannot downplay the drastic turn of the seasons, moving from a frigid, snowy winter to a much milder, welcoming summer.

Temperatures swivel between a high of 24.2°C (75.6°F) in July and a low of -10.4°C (13.3°F) in January. While the warmer months from May to September show an impressive surge, reaching highs in the twenties in Celsius, the remaining months, particularly November to April, record freezing temperatures dipping well below the freezing point. The months of December, January and February experience the harshest temperatures, often accompanied by significant snowfall.

Humidity relative averages stay more or less constant through the year, generally hovering around the eighties, with minor fluctuations. The highest average relative humidity is seen in January and February at around 89%, while the driest months occur in April and May, having an average relative humidity of 78%. Rainfall records the highest levels between July and October at 75mm (2.95") to 67mm (2.64"). In contrast, dry conditions are prevalent during February with a low of 26mm (1.02").

Visible weather patterns are identifiable in Barrie. Snowfall gains momentum in winter months and is entirely absent between May and September. The maximum volume of snowfall is witnessed in January with colossal 121mm (4.76"), trailed by December at 112mm (4.41"). This pattern continues till April but with progressively reducing quantities.

The best time to visit Barrie

Considering the weather patterns and comfort index, the period from June to September emerges as the most agreeable time to visit Barrie. Temperatures during these summer months mostly lay between pleasing 16.3°C (61.3°F) to 24.2°C (75.6°F), creating favorable conditions for outdoor activities. The extensive daylight hours, extending from 14.8 to 15.5 hours per day, further enhance the vigor of the season. These months also receive abundant sunshine, with September peaking at a generous 10.3 hours on average.

The worst time to visit Barrie

The extreme winter months from December to February, marked with icy temperatures, heavy snowfall, and short daylight hours, parade challenging weather conditions for visitors. Sub-zero temperatures, navigating from -0.9°C (30.4°F) to -10.4°C (13.3°F), coupled with significant snowfall can impede mobility and put a damper on outdoor pursuits.

Spring weather in Barrie

Spring in Barrie is sandwiched between a receding winter and an approaching summer. The transitional season, from March to May, exhibits temperature highs ranging from 1.8°C (35.2°F) to 16.3°C (61.3°F). The end of heavy snowfall in late March brings a noticeable change in the season, shifting to an increased rainfall pattern noticeable in April and May, topping at 58mm (2.28") and 64mm (2.52") correspondingly. These months also welcome an enhancement in daily average daylight, providing ample opportunities to enjoy nature's springtime rejuvenation.

Summer weather in Barrie

Summer months in Barrie, stretching from June to August, offer the most pleasing outdoor conditions. Temperature highs swing from 20.1°C (68.2°F) to 24.2°C (75.6°F), with nights comfortably cool between 11°C (51.8°F) and 14.9°C (58.8°F). Rainfall during this period fluctuates between 61mm (2.4") and 75mm (2.95"), which can provide some cooling relief from the warmth. The climate also favors increased daylight hours, extending up to 15.5 hours daily in June, the longest of the year.

Autumn weather in Barrie

Autumn months, from September to November, herald a gradual decrease in temperatures, with daily highs sliding from 20.1°C (68.2°F) to 5.4°C (41.7°F). There is a significant uptick in rainfall, peaking in October with a comparatively high 67mm (2.64"), reflecting the onset of the rains. Daylight hours too, start to recede, contracting to 9.6 hours per day in November. This season notably experiences a mild weather before the winter sets in.

Winter weather in Barrie

Winter in Barrie takes stage from December to February, with temperatures sharply plunging to its lowest. Daytime highs revolve around -0.9°C (30.4°F) to -4.3°C (24.3°F), while nighttime lows dip further to chilling -5.5°C (22.1°F) to -10.4°C (13.3°F). It is the snowiest season with a high of 121mm (4.76") in January, resulting in a winter wonderland scenario. The hours of daylight plunge to a minimal 8.9 hours, the shortest in the year, further supplementing the winter chill. Unquestionably, winter in Barrie demands hearty resilience for outdoor ventures.

Weather in January

January showcases Barrie's typical winter weather with temperatures dipping to a chilly average low of -10.4°C (13.3°F). With days losing their length, Barrie experiences shorter daylight hours. January is notable for high snowfall, with 121mm (4.76") of white blanket enveloping the city. Weather in January »

Weather in February

As Barrie journeys through the final stages of winter in February, temperatures remain below freezing. Strong winds continue, washing a chill over the city. February sees less snowfall than January with a recorded mean of 91mm (3.58"). Weather in February »

Weather in March

March marks the beginnings of a warming change in Barrie. A gradual increase in temperature initiates the city's transition from freezing winters to mild springs. However, in contrast to the previous months, March sees a considerable increase in rainfall with precipitation reaching 32mm (1.26"). Weather in March »

Weather in April

By April, temperatures in Barrie have risen from the March low of -4.9°C (23.2°F), indicating the onset of spring. The alteration in weather patterns continues as the city witnesses an uptick in rainfall and a decrease in snowfall. Weather in April »

Weather in May

May in Barrie showcases warm and pleasant weather patterns. The city enjoys longer daylight hours and higher sunshine hours than previous months, filling the days with balmy warmth. However, May also experiences the year’s maximum rainfall, with the average precipitation reaching 64mm (2.52"). Weather in May »

Weather in June

June signals the arrival of summer in Barrie, with average high temperatures soaring to 20.1°C (68.2°F). While the month is characterized by increased temperatures, rainfall also persists. The presence of nearly 15.5 hours of daylight signifies one of the longest periods of daylight in the year for the city. Weather in June »

Weather in July

With temperatures peaking at 24.2°C (75.6°F), July is Barrie's hottest month. Despite the summer heat, rainfall persists, reaching a high of 75mm (2.95"). The month offers a balmy climate with warm nights alongside reduced wind speeds. Weather in July »

Weather in August

August's weather in Barrie continues to radiate the summer heat as temperatures remain high. Weather patterns parallel those of July, although the city experiences a slight decrease in average sunshine hours. However, rainfall persists, maintaining a similar rate to the previous month at 74mm (2.91"). Weather in August »

Weather in September

September marks the onset of autumn with temperatures steadily declining from the August high of 23.6°C (74.5°F). This month, in contrast to the summer season, registers a considerable drop in rainfall with a recorded average of 48mm (1.89"). Weather in September »

Weather in October

October in Barrie signifies the autumnal transition towards lower temperatures. Dwindling daylight hours and a shift in atmospheric pressure highlight the seasonal change. However, contrary to the previous month, October sees an increase in rainfall, logging 67mm (2.64") of precipitation. Weather in October »

Weather in November

November's average low temperature of -0.4°C (31.3°F) prepares Barrie for the imminent winter chill. simultaneous reduction in daylight hours and sunshine duration signal the rapid approach of the coldest period of the year. Weather in November »

Weather in December

December marks the arrival of winter as Barrie plunges into sub-zero temperatures with the average low recorded at -5.5°C (22.1°F). Accompanied by the shortest daylight hours and a notable decrease in sunshine duration, December brings forth a festive winter wonderland setting. Weather in December »
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Frequently asked questions

What are the coldest months in Barrie?

Barrie experiences its lowest temperatures in January, with an average peak of -4.3°C (24.3°F) and a low of -10.4°C (13.3°F).

What are the most humid months in Barrie?

The months with the highest humidity in Barrie are January and February, with an average relative humidity of 89%.

How many days does it rain in Barrie?

In Barrie, Canada, during the entire year, the rain falls for 145 days and collects up to 621mm (24.45") of precipitation.

When does it snow in Barrie?

Months with snowfall in Barrie, Canada, are January through May, October through December.

What is the snowiest month in Barrie?

The month with the most snowfall in Barrie is January, when snow falls for 15.1 days and typically aggregates up to 121mm (4.76") of snow.

How many days does it snow in Barrie?

Throughout the year, there are 66.4 snowfall days, and 553mm (21.77") of snow is accumulated.

What is the month with the least sunshine in Barrie?

January has the least sunshine of the year in Barrie, with an average of 2.4h of sunshine.

What are the months with the lowest UV index in Barrie?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.

What is the driest month in Barrie?

The month with the least rainfall in Barrie is February, when the rain falls for 4 days and typically collects 26mm (1.02") of precipitation.

When is Daylight Saving Time (DST) in Barrie?

On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Barrie?

April and May, with an average relative humidity of 78%, are the least humid months.

When it does not snow in Barrie?

In Barrie, Canada, snow does not fall in June through September.

When are the longest days in Barrie?

With an average of 15h and 30min of daylight, June has the longest days of the year.

When is the highest UV index in Barrie?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Barrie, Canada.

What is the hottest time of year in Barrie?

Barrie's July weather, with an average high temperature of 24.2°C (75.6°F) and an average low temperature of 14.9°C (58.8°F), tends to be the warmest of the year.

What is the wettest month in Barrie?

The month with the most rainfall in Barrie is July, when the rain falls for 17.8 days and typically aggregates up to 75mm (2.95") of precipitation.

What month has the most sunshine in Barrie?

The month with the most sunshine in Barrie is July, with an average of 10.3h of sunshine.

What is the month with the shortest days in Barrie?

December has the shortest days of the year in Barrie, Canada, with an average of 8h and 54min of daylight.

Average temperature
Barrie, Canada

Average temperature - Barrie, Canada

The warmest month (with the highest average high temperature) is July (24.2°C).
The month with the lowest average high temperature is January (-4.3°C).

The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).

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Average pressure
Barrie, Canada

Average pressure - Barrie, Canada

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed
Barrie, Canada

Average wind speed - Barrie, Canada

The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).

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Average humidity
Barrie, Canada

Average humidity - Barrie, Canada

The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and May (78%).

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Average rainfall
Barrie, Canada

Average rainfall - Barrie, Canada

The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is February (26mm).

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Average rainfall days
Barrie, Canada

Average rainfall days - Barrie, Canada

The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (4 days).

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Average snowfall
Barrie, Canada

Average snowfall - Barrie, Canada

The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Barrie, Canada

Average snowfall days - Barrie, Canada

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Barrie, Canada

Average daylight / Average sunshine - Barrie, Canada

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days
Barrie, Canada

Average sunshine days - Barrie, Canada

The month with the most sunshine days is March (14.3 days).
The months with the least sunshine days are July and August (9.8 days).

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Average UV index
Barrie, Canada

Average UV index - Barrie, Canada

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average visibility
Barrie, Canada

Average visibility - Barrie, Canada

The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).

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Barrie, Canada

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