Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Port Alberni's coldest temperatures are experienced in December, with average high temperatures of 4.3°C (39.7°F) and lows of 1.4°C (34.5°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Port Alberni, in December, it is raining for 18.4 days, with typically 125mm (4.92") of accumulated precipitation. In Port Alberni, during the entire year, the rain falls for 177.9 days and collects up to 904mm (35.59") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.1 days. Throughout December, 43mm (1.69") of snow is accumulated. Throughout the year, there are 11 snowfall days, and 196mm (7.72") of snow is accumulated.Sea temperature
In Port Alberni, the average seawater temperature in December is 8.9°C (48°F).Note: Unprotected swimming in 8.9°C (48°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:53 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:31 pm PST.
Sunshine
The average sunshine in December in Port Alberni is 4.2h.UV index
The months with the lowest UV index in Port Alberni, Canada, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the coldest month in Port Alberni?
How cold is it in Port Alberni in December?
What is the average humidity in December in Port Alberni?
How much does it rain in Port Alberni in December?
How much does it snow in Port Alberni in December?
What is the water temperature in December in Port Alberni?
What is the month with the shortest days in Port Alberni?
How many hours of daylight does Port Alberni have in December?
What time are sunrise and sunset in December in Port Alberni?
How many hours of sunshine does Port Alberni have in December?
When is the lowest UV index in Port Alberni?
How high is the UV index in December in Port Alberni?
Average temperature in December
Port Alberni, Canada
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is December (4.3°C).
- Average low temperature in December: 1.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Port Alberni, Canada
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is March (1014.7mbar).
Average wind speed in December
Port Alberni, Canada
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is November (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Port Alberni, Canada
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Port Alberni, Canada
- Average rainfall in December: 125mm
The wettest month (with the highest rainfall) is January (145mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in December
Port Alberni, Canada
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is November (19.7 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in December
Port Alberni, Canada
- Average snowfall in December: 43mm
The month with the highest snowfall is February (71mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Port Alberni, Canada
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Port Alberni, Canada
- Average sea temperature in December: 8.9°C
The best month for swimming (with the highest average sea temperature) is July (12.4°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).
Average daylight in December /
Average sunshine in December
Port Alberni, Canada
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Port Alberni, Canada
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is November (9 days).
Average UV index in December
Port Alberni, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Port Alberni, Canada
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Port Alberni, Canada
- Average visibility in December: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
Port Alberni, Canada
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