Monthly weather forecast and climate
Waterloo, Canada

Weather in January

January, the same as December, in Waterloo, Canada, is a freezing cold winter month, with average temperature varying between -3.7°C (25.3°F) and -9.3°C (15.3°F). The coldest month is January, with an average high-temperature of -3.7°C (25.3°F) and an average low-temperature of -9.3°C (15.3°F). Weather in January »

Weather in February

February, the last month of the winter, in Waterloo, is another freezing cold month, with temperature in the range of an average high of -2.8°C (27°F) and an average low of -9.2°C (15.4°F). In Waterloo, the average high-temperature is essentially the same as in January - a still freezing cold -2.8°C (27°F). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Waterloo, Canada, with average temperature varying between 3.2°C (37.8°F) and -4.1°C (24.6°F). In March, the average high-temperature increases, from a subzero cold -2.8°C (27°F) in February, to a wintry 3.2°C (37.8°F). Weather in March »

Weather in April

April in Waterloo, Canada, is a cool spring month, with average temperature ranging between max 10.1°C (50.2°F) and min 1.4°C (34.5°F). In April, the average high-temperature increases, from a wintry 3.2°C (37.8°F) in March, to a fresh 10.1°C (50.2°F). Weather in April »

Weather in May

May, the last month of the spring, in Waterloo, is an enjoyable month, with average temperature fluctuating between 18°C (64.4°F) and 7.8°C (46°F). In May, the average high-temperature increases, from a fresh 10.1°C (50.2°F) in April, to an enjoyable 18°C (64.4°F). Weather in May »

Weather in June

June, the first month of the summer, in Waterloo, is an agreeable month, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 12.3°C (54.1°F). In June, the average high-temperature marginally rises, from a comfortable 18°C (64.4°F) in May, to an agreeable 21.8°C (71.2°F). Weather in June »

Weather in July

July in Waterloo, Canada, is a moderately hot summer month, with average temperature varying between 24.8°C (76.6°F) and 15°C (59°F). July is the warmest month, with an average high-temperature of 24.8°C (76.6°F) and an average low-temperature of 15°C (59°F). Weather in July »

Weather in August

August, the last month of the summer, in Waterloo, is also a moderately hot month, with average temperature ranging between max 24°C (75.2°F) and min 14.3°C (57.7°F). In August, the average high-temperature is almost the same as in July - a still moderately hot 24°C (75.2°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Waterloo, Canada, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 10.9°C (51.6°F). In Waterloo, the average high-temperature slightly decreases, from a moderately hot 24°C (75.2°F) in August, to a pleasant 20.8°C (69.4°F). Weather in September »

Weather in October

October, the same as September, in Waterloo, Canada, is another mild autumn month, with average temperature varying between 5.6°C (42.1°F) and 13.3°C (55.9°F). In Waterloo, Canada, the average high-temperature drops, from a pleasant 20.8°C (69.4°F) in September, to a mild 13.3°C (55.9°F). Weather in October »

Weather in November

November, the last month of the autumn, in Waterloo, is also a wintry month, with average temperature varying between 5.8°C (42.4°F) and -0.4°C (31.3°F). In Waterloo, Canada, the average high-temperature drops, from a moderate 13.3°C (55.9°F) in October, to a wintry 5.8°C (42.4°F). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Waterloo, Canada, with average temperature ranging between min -4.6°C (23.7°F) and max -0.2°C (31.6°F). In Waterloo, Canada, the average high-temperature drops, from a cold 5.8°C (42.4°F) in November, to a freezing cold -0.2°C (31.6°F). Weather in December »
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FAQ

What is the coldest month in Waterloo?

January is the coldest month in Waterloo, with an average high-temperature of -3.7°C (25.3°F) and an average low-temperature of -9.3°C (15.3°F).

What are the most humid months in Waterloo?

Months with the highest humidity are January and February, with an average relative humidity of 89%.

How much does it rain in Waterloo?

Throughout the year, in Waterloo, there are 157.6 rainfall days, and 681mm (26.81") of precipitation is accumulated.

When does it snow in Waterloo?

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

How many days does it snow in Waterloo?

Throughout the year, there are 80.1 snowfall days, and 666mm (26.22") of snow is accumulated.

What is the month with the least sunshine in Waterloo?

The month with the least sunshine in Waterloo is January, with an average of 2.5h of sunshine.

What is the month with the lowest UV index in Waterloo?

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

What is the snowiest month in Waterloo?

The month with the most snowfall in Waterloo, Canada, is February when snow falls for 17.6 days and typically aggregates up to 164mm (6.46") of snow.

What is the least humid month in Waterloo?

The least humid month in Waterloo is April, with an average relative humidity of 75%.

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

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

When it does not snow in Waterloo?

June through September are months without snowfall.

When are the longest days in Waterloo?

June has the longest days of the year in Waterloo, with an average of 15.4h of daylight.

What is the warmest month in Waterloo?

July is the warmest month, with an average high-temperature of 24.8°C (76.6°F) and an average low-temperature of 15°C (59°F).

What month has the most sunshine in Waterloo?

The month with the most sunshine in Waterloo is July, with an average of 9.9h of sunshine.

What is the driest month in Waterloo?

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 37mm (1.46") of precipitation.

What is the wettest month in Waterloo?

The month with the most rainfall is October when the rain falls for 17 days and typically aggregates up to 71mm (2.8") of precipitation.

What is the month with the shortest days in Waterloo?

December has the shortest days of the year, with an average of 9h of daylight.

Average pressure
Waterloo, Canada

Average pressure - Waterloo, Canada

The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed
Waterloo, Canada

Average wind speed - Waterloo, Canada

The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).

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Average humidity
Waterloo, Canada

Average humidity - Waterloo, Canada

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

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Average rainfall
Waterloo, Canada

Average rainfall - Waterloo, Canada

The wettest month (with the highest rainfall) is October (71mm).
The driest month (with the least rainfall) is September (37mm).

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Average rainfall days
Waterloo, Canada

Average rainfall days - Waterloo, Canada

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall
Waterloo, Canada

Average snowfall - Waterloo, Canada

The month with the highest snowfall is February (164mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Waterloo, Canada

Average snowfall days - Waterloo, Canada

The month with the highest number of snowfall days is January (18.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Waterloo, Canada

Average daylight / Average sunshine - Waterloo, Canada

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is July (Average sunshine: 9.9h).
The month with the least sunshine is January (Average sunshine: 2.5h).

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Average sunshine days
Waterloo, Canada

Average sunshine days - Waterloo, Canada

The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).

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Average UV index
Waterloo, Canada

Average UV index - Waterloo, Canada

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

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