Waterloo
Canada
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Waterloo, Canada

The first month of the winter, December, is also a wintry month in Waterloo, Canada, with temperature in the range of an average low of -6.8°C (19.8°F) and an average high of 0.2°C (32.4°F).

Temperature

In December, the average high-temperature drops, from a chilly 6.3°C (43.3°F) in November, to a wintry 0.2°C (32.4°F). In Waterloo, the average low-temperature is -6.8°C (19.8°F).

Humidity

In Waterloo, the average relative humidity is 87.1%.

Rainfall

In Waterloo, in December, during 6.9 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Waterloo, there are 119.1 rainfall days, and 776.8mm (30.6") of precipitation is accumulated.

Snowfall

Months with snowfall in Waterloo are January through May, October through December. In Waterloo, during 14.4 snowfall days, 372mm (14.6") of snow is typically accumulated. In Waterloo, during the entire year, snow falls for 62.3 days, and aggregates up to 1597.8mm (62.9") of snow.

Daylight

The month with the shortest days in Waterloo is December, with an average of 9h of daylight.

What is the temperature in December in Waterloo?

In Waterloo, Canada, in December, the average high-temperature is 0.2°C (32.4°F), and the average low-temperature is -6.8°C (19.8°F).

What is the average humidity in December in Waterloo?

In Waterloo, the average relative humidity in December is 87.1%.

How many days does it rain in December in Waterloo?

In December, in Waterloo, Canada, the rain falls for 6.9 days. Throughout December, 38mm (1.5") of precipitation is accumulated.

How much does it snow in Waterloo in December?

In Waterloo, Canada, during December, snow falls for 14.4 days and regularly aggregates up to 372mm (14.6") of snow.

What is the month with the shortest days in Waterloo?

The month with the shortest days in Waterloo, Canada, is December, with an average of 9h of daylight.

What is the average length of the day in December in Waterloo?

In Waterloo, the average length of the day in December is 9h.
Average temperature in December - Waterloo, Canada
  • Average high temperature in December: 0.2°C

The warmest month (with the highest average high temperature) is July (26°C).
The month with the lowest average high temperature is January (-2.6°C).

  • Average low temperature in December: -6.8°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-10.3°C).

Average humidity in December - Waterloo, Canada
  • Average humidity in December: 87.1%

The month with the highest relative humidity is September (94.3%).
The month with the lowest relative humidity is February (83.4%).

Average rainfall in December - Waterloo, Canada
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is July (98.6mm).
The driest month (with the lowest rainfall) is January (28.7mm).

Average rainfall days in December - Waterloo, Canada
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is October (13.7 days).
The month with the lowest number of rainy days is February (5 days).

Average snowfall in December - Waterloo, Canada
  • Average snowfall in December: 372mm

The month with the highest snowfall is January (437mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in December - Waterloo, Canada
  • Average snowfall days in December: 14.4 days

The month with the highest number of snowfall days is January (16.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in December - Waterloo, Canada
  • Average daylight in December: 9h

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