Climate and monthly weather forecast
Dunnville, Canada

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Weather in January

January, the same as December, in Dunnville, Canada, is a freezing cold winter month, with an average temperature varying between -1.5°C (29.3°F) and -6.7°C (19.9°F). The coldest temperatures occur during January, when averages reach a peak of -1.5°C (29.3°F) and a low of -6.7°C (19.9°F). Weather in January »

Weather in February

February, the last month of the winter in Dunnville, is another freezing cold month, with temperature in the range of an average high of -0.5°C (31.1°F) and an average low of -6.4°C (20.5°F). As Dunnville steps into February, the average high-temperature is measured at a still subzero cold -0.5°C (31.1°F), displaying minor differences from January's -1.5°C (29.3°F). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Dunnville, Canada, with an average temperature varying between 4.5°C (40.1°F) and -2°C (28.4°F). As February gives way to March, the average high-temperature displays an increase, moving from a freezing cold -0.5°C (31.1°F) to a wintry 4.5°C (40.1°F). Weather in March »

Weather in April

April is a cool spring month in Dunnville, Canada, with an average temperature ranging between max 10.7°C (51.3°F) and min 3.1°C (37.6°F). April signals a shift in the average high-temperature, moving from March's cold 4.5°C (40.1°F) to a fresh 10.7°C (51.3°F). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Dunnville, Canada, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 18.2°C (64.8°F). Dunnville in May shows a temperature shift, moving from an average high of a fresh 10.7°C (51.3°F) in April to a refreshing 18.2°C (64.8°F). Weather in May »

Weather in June

June, the first month of the summer in Dunnville, is an agreeable month, with an average temperature varying between 13.8°C (56.8°F) and 22.3°C (72.1°F). June's onset witnesses a minor shift in the average high-temperature, moving from a comfortable 18.2°C (64.8°F) in May to an agreeable 22.3°C (72.1°F). Weather in June »

Weather in July

July is a moderately hot summer month in Dunnville, Canada, with an average temperature ranging between min 17.5°C (63.5°F) and max 25.7°C (78.3°F). With average high and low temperatures of 25.7°C (78.3°F) and 17.5°C (63.5°F) respectively, July is Dunnville's warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Dunnville, Canada, with an average temperature ranging between min 17.4°C (63.3°F) and max 25°C (77°F). The advent of August denotes an average high-temperature of a still moderately hot 25°C (77°F), subtly different from July's 25.7°C (78.3°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Dunnville, Canada, with an average temperature fluctuating between 21.8°C (71.2°F) and 14.2°C (57.6°F). As September commences, the average high-temperature subtly reduces, transitioning from a warm 25°C (77°F) in August to a pleasant 21.8°C (71.2°F). Weather in September »

Weather in October

October, the same as September, in Dunnville, Canada, is a moderate autumn month, with an average temperature ranging between max 14.6°C (58.3°F) and min 8.8°C (47.8°F). Dunnville's October weather shows a moderate shift in high-temperatures, falling from September's agreeable 21.8°C (71.2°F) to a mild 14.6°C (58.3°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Dunnville, Canada, with an average temperature ranging between min 2.4°C (36.3°F) and max 7.6°C (45.7°F). During Dunnville's transition into November, the average high-temperature lessens, moving from a mild 14.6°C (58.3°F) in October to a frosty 7.6°C (45.7°F). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Dunnville, Canada, with an average temperature fluctuating between 2.2°C (36°F) and -2°C (28.4°F). December brings a drop in Dunnville's average high-temperature, falling from a chilly 7.6°C (45.7°F) in November to an icy 2.2°C (36°F). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Dunnville?

In Dunnville, January is known for its average lowest temperatures, reaching a high of -1.5°C (29.3°F) and a low of -6.7°C (19.9°F).

How much does it rain in Dunnville?

In Dunnville, during the entire year, the rain falls for 170.3 days and collects up to 804mm (31.65") of precipitation.

When does it snow in Dunnville?

January through May, October through December are months with snowfall in Dunnville.

How much does it snow in Dunnville?

In Dunnville, Canada, during the entire year, snow falls for 64.1 days and aggregates up to 576mm (22.68") of snow.

What is the month with the least sunshine in Dunnville?

With an average of 2.5h of sunshine, January has the least sunshine of the year.

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

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

What is the most humid month in Dunnville?

February is the most humid month, with an average relative humidity of 85%.

When does it snow the most in Dunnville?

February is the month with the most snowfall in Dunnville, Canada. Snow falls for 15 days and accumulates 179mm (7.05") of snow.

When is Daylight Saving Time (DST) in Dunnville?

On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Dunnville, Canada, 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.

When it does not snow in Dunnville?

June through September are months without snowfall in Dunnville.

When are the longest days in Dunnville?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What month is the hottest in Dunnville?

Dunnville's warmest weather arrives in July, when temperatures average a high of 25.7°C (78.3°F) and a low of 17.5°C (63.5°F).

What is the rainiest month in Dunnville?

July is the month with the most rainfall. Rain falls for 18.7 days and accumulates 86mm (3.39") of precipitation.

What are the months with the most sunshine in Dunnville?

July and August, with an average of 10.3h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in Dunnville?

The month with the highest UV index in Dunnville, Canada, is July, with an average maximum UV index of 6.

What is the least humid month in Dunnville?

September is the least humid month in Dunnville, Canada, with an average relative humidity of 75%.

What is the driest month in Dunnville?

The month with the least rainfall in Dunnville is September, when the rain falls for 14.8 days and typically collects 53mm (2.09") of precipitation.

What is the month with the shortest days in Dunnville?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
Dunnville, Canada

Average temperature - Dunnville, Canada

The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (-1.5°C).

The month with the highest average low temperature is July (17.5°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).

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Average pressure
Dunnville, Canada

Average pressure - Dunnville, Canada

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed
Dunnville, Canada

Average wind speed - Dunnville, Canada

The windiest month (with the highest average wind speed) is January (19.6km/h).
The calmest month (with the lowest average wind speed) is July (11.6km/h).

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Average humidity
Dunnville, Canada

Average humidity - Dunnville, Canada

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (75%).

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Average rainfall
Dunnville, Canada

Average rainfall - Dunnville, Canada

The wettest month (with the highest rainfall) is July (86mm).
The driest month (with the least rainfall) is September (53mm).

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Average rainfall days
Dunnville, Canada

Average rainfall days - Dunnville, Canada

The month with the highest number of rainy days is July (18.7 days).
The months with the least rainy days are January and February (8.1 days).

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Average snowfall
Dunnville, Canada

Average snowfall - Dunnville, Canada

The month with the highest snowfall is February (179mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Dunnville, Canada

Average snowfall days - Dunnville, Canada

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Dunnville, Canada

Average daylight / Average sunshine - Dunnville, Canada

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days
Dunnville, Canada

Average sunshine days - Dunnville, Canada

The month with the most sunshine days is September (12.6 days).
The month with the least sunshine days is January (8.3 days).

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Dunnville, Canada

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