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 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
December
Weather in December
Temperature
In Porter Landing, December records the lowest average temperatures, peaking at -10.5°C (13.1°F) and reaching a low of -16.1°C (3°F).Humidity
The average relative humidity in December in Porter Landing is 91%.Rainfall
In Porter Landing, in December, it is raining for 5.2 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Porter Landing, there are 115.5 rainfall days, and 264mm (10.39") of precipitation is accumulated.Snowfall
Months with snowfall in Porter Landing are January through May, August through December. In Porter Landing, in December, during 15.2 snowfall days, 102mm (4.02") of snow is typically accumulated. In Porter Landing, during the entire year, snow falls for 111.9 days and aggregates up to 855mm (33.66") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 24min of daylight.On the first day of the month, sunrise is at 9:07 am and sunset at 3:52 pm. On the last day of December, in Porter Landing, sunrise is at 9:32 am and sunset at 3:55 pm PST.
Sunshine
December has the least sunshine of the year in Porter Landing, Canada, with an average of 3.2h of sunshine.UV index
In Porter Landing, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Porter Landing?
How cold is December in Porter Landing?
What is the average humidity in December in Porter Landing?
How many days does it rain in December in Porter Landing?
How much does it snow in Porter Landing in December?
What is the month with the shortest days in Porter Landing?
How many hours of daylight does Porter Landing have in December?
What time are sunrise and sunset in December in Porter Landing?
What is the month with the least sunshine in Porter Landing?
How many hours of sunshine does Porter Landing have in December?
What is the UV index intensity in December in Porter Landing?
Average temperature in December
Porter Landing, Canada
- Average high temperature in December: -10.5°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is December (-10.5°C).
- Average low temperature in December: -16.1°C
The month with the highest average low temperature is July (5.3°C).
The coldest month (with the lowest average low temperature) is February (-17.3°C).
Average pressure in December
Porter Landing, Canada
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is February (1018mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed in December
Porter Landing, Canada
- Average wind speed in December: 9.1km/h
The windiest months (with the highest average wind speed) are January and June (10.3km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).
Average humidity in December
Porter Landing, Canada
- Average humidity in December: 91%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (62%).
Average rainfall in December
Porter Landing, Canada
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in December
Porter Landing, Canada
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in December
Porter Landing, Canada
- Average snowfall in December: 102mm
The month with the highest snowfall is November (195mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in December
Porter Landing, Canada
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is November (17.9 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Porter Landing, Canada
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Porter Landing, Canada
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are May and December (16.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in December
Porter Landing, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in December
Porter Landing, Canada
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in December
Porter Landing, Canada
- Average visibility in December: 7km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).
