December weather forecastPort Colborne, Canada
December
Weather in December
The first month of the winter, December, is also a wintry month in Port Colborne, Canada, with an average temperature ranging between max 2.2°C (36°F) and min -2°C (28.4°F).Temperature
Port Colborne's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 7.6°C (45.7°F) to a wintry 2.2°C (36°F). In Port Colborne, the December nights are characterized by an average low-temperature of -2°C (28.4°F), a minor dip from daytime readings.Humidity
In December, the average relative humidity in Port Colborne is 81%.Rainfall
In Port Colborne, during December, the rain falls for 10.4 days and regularly aggregates up to 58mm (2.28") of precipitation. Throughout the year, there are 170.3 rainfall days, and 804mm (31.65") of precipitation is accumulated.Snowfall
Months with snowfall in Port Colborne are January through May, October through December. In Port Colborne, in December, snow falls for 13.5 days, with typically accumulated 94mm (3.7") of snow. In Port Colborne, during the entire year, snow falls for 64.1 days and aggregates up to 576mm (22.68") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Port Colborne.On the first day of December, sunrise is at 7:28 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:52 pm EST.
Sunshine
In Port Colborne, the average sunshine in December is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Port Colborne, Canada
- Average high temperature in December: 2.2°C
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).
- Average low temperature in December: -2°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).
Average pressure in December
Port Colborne, Canada
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in December
Port Colborne, Canada
- Average wind speed in December: 18.2km/h
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).
Average humidity in December
Port Colborne, Canada
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Port Colborne, Canada
- Average rainfall in December: 58mm
The wettest month (with the highest rainfall) is July (86mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in December
Port Colborne, Canada
- Average rainfall days in December: 10.4 days
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).
Average snowfall in December
Port Colborne, Canada
- Average snowfall in December: 94mm
The month with the highest snowfall is February (179mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Port Colborne, Canada
- Average snowfall days in December: 13.5 days
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).
Average daylight in December /
Average sunshine in December
Port Colborne, Canada
- Average daylight in December: 9h and 6min
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).
- Average sunshine in December: 2h and 48min
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).
Average sunshine days in December
Port Colborne, Canada
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is September (12.6 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Port Colborne, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Port Colborne, Canada
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Port Colborne, Canada
- Average visibility in December: 9km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January and February (8km).
