December weather forecastBonavista, Canada

December weather for Bonavista, Canada: In Bonavista, Canada, in December, during 17.6 snowfall days, 250mm (9.84") of snow is typically accumulated. In Bonavista, in December, during 17.6 snowfall days, 250mm (9.84") of snow is typically accumulated.

December

Weather in December

December, the first month of the winter in Bonavista, is also a subzero cold month, with an average temperature ranging between min -5°C (23°F) and max -0.4°C (31.3°F).

Temperature

In Bonavista, the average high-temperature in December drops from an icy 5°C (41°F) in November to a freezing cold -0.4°C (31.3°F). Consistently, Bonavista reports average nighttime temperatures of -5°C (23°F) during December, a marginal step down from its daytime highs.

Humidity

The average relative humidity in December in Bonavista is 87%.

Rainfall

In December, in Bonavista, the rain falls for 9.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated. In Bonavista, 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 Bonavista, in December, during 17.6 snowfall days, 250mm (9.84") of snow is typically accumulated. In Bonavista, during the entire year, snow falls for 106.5 days and aggregates up to 1460mm (57.48") of snow.

Sea temperature

In December, the average sea temperature in Bonavista is 1.9°C (35.4°F).
Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:34 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:16 pm NST.

Sunshine

The average sunshine in December 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. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 1 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

December temperatures in Bonavista vary between a high-temperature of -0.4°C (31.3°F) and a low-temperature of -5°C (23°F).

The average relative humidity in December is 87%.

In December, the rain falls for 9.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated.

In Bonavista, Canada, in December, during 17.6 snowfall days, 250mm (9.84") of snow is typically accumulated.

In December, the average sea temperature in Bonavista is 1.9°C (35.4°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

December has the shortest days of the year in Bonavista, with an average of 8h and 24min of daylight.

The average day length in December in Bonavista, Canada, is 8h and 22min.

On the first day of December in Bonavista, sunrise is at 7:34 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:16 pm NST.

In Bonavista, Canada, the average sunshine duration in December is 2.8h.

The months with the lowest UV index in Bonavista are January through March, November and December, with an average maximum UV index of 1.

The average daily maximum UV index in December in Bonavista, Canada, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, Canada

  • Average sea temperature in December: 1.9°C

The best month for swimming (with the highest average sea temperature) is August (13.7°C).
The coldest month (with the lowest average sea temperature) is March (-0.9°C).

Average daylight in December /
Average sunshine in December
Bonavista, Canada

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 2h and 48min

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
Bonavista, 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
Bonavista, 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
Bonavista, 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
Bonavista, 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).