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
December
Weather in December
Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's cold 5°C (41°F) to a subzero cold -0.4°C (31.3°F). A modest decline from daytime high temperatures in Lewisporte is noticed in December, marking the average low at a still freezing cold -5°C (23°F).Humidity
In December, the average relative humidity in Lewisporte is 87%.Rainfall
In Lewisporte, Canada, in December, it is raining for 9.5 days, with typically 68mm (2.68") of accumulated precipitation. In Lewisporte, during the entire year, the rain falls for 154.8 days and collects up to 785mm (30.91") of precipitation.Snowfall
January through June, October through December are months with snowfall. In December, in Lewisporte, it is snowing for 17.6 days. Throughout December, 250mm (9.84") of snow is accumulated. Throughout the year, in Lewisporte, there are 106.5 snowfall days, and 1460mm (57.48") of snow is accumulated.Sea temperature
In Lewisporte, the average seawater temperature in December is 1.4°C (34.5°F).Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.
Daylight
December has the shortest days of the year in Lewisporte, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 4:14 pm. On the last day of December, sunrise is at 8:05 am and sunset at 4:21 pm NST.
Sunshine
In December, the average sunshine in Lewisporte is 2.8h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lewisporte, Canada. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Lewisporte?
What is the average humidity in December in Lewisporte?
How many days does it rain in December in Lewisporte?
How much does it snow in Lewisporte in December?
How cold is the water in December in Lewisporte?
What is the month with the shortest days in Lewisporte?
What is the average length of the day in December in Lewisporte?
When is the sunrise / sunset in December in Lewisporte?
How long on average sun shines in December in Lewisporte?
What are the months with the lowest UV index in Lewisporte?
What is the UV index intensity in December in Lewisporte?
Average temperature in December
Lewisporte, Canada
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The months with the lowest average high temperature are January and February (-2.8°C).
- Average low temperature in December: -5°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in December
Lewisporte, Canada
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is February (1007.7mbar).
Average wind speed in December
Lewisporte, Canada
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in December
Lewisporte, Canada
- Average humidity in December: 87%
The months with the highest relative humidity are January and March (92%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in December
Lewisporte, Canada
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in December
Lewisporte, Canada
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Lewisporte, Canada
- Average snowfall in December: 250mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Lewisporte, Canada
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in December
Lewisporte, Canada
- Average sea temperature in December: 1.4°C
The best month for swimming (with the highest average sea temperature) is August (13.9°C).
The coldest month (with the lowest average sea temperature) is March (-1.3°C).
Average daylight in December /
Average sunshine in December
Lewisporte, 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: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 7h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Lewisporte, Canada
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Lewisporte, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Lewisporte, Canada
- Average cloud cover in December: 70
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in December
Lewisporte, Canada
- Average visibility in December: 8km
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March and April (7km).
