December weather forecastCobo, Guernsey

December

Weather in December

December is indeed the chilliest month in Cobo, Guernsey, rounding off the year with the lowest hours of daylight of 8.3 hours. With temperatures sinking to a low of 9.2°C (48.6°F), the month portrays a distinct winter scenery complete with frequent showers. The high humidity coupled with brisk winds add to the overall coolness in the weather. Visibility remains high despite the onset of winter, lending clarity to the panoramic views of the landscape. The sense of the holiday season combined with the wintry chill makes December's weather quite appealing.

Temperature

Cobo's average high-temperature marks a fresh 11.1°C (52°F) with the advent of December, closely mirroring that of the preceding month. Cobo's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of 9.2°C (48.6°F).

Humidity

The months with the lowest humidity in Cobo are November and December, with an average relative humidity of 77%.

Rainfall

In Cobo, Guernsey, in December, during 21.4 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, in Cobo, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

In Cobo, snow does not fall in February through December.

Daylight

December has the shortest days of the year in Cobo, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 07:45 and sunset at 16:13. On the last day of December, in Cobo, sunrise is at 08:06 and sunset at 16:20 GMT.

Sunshine

The months with the least sunshine are January, November and December, with an average of 3.9h of sunshine.

UV index

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

During December, Cobo experiences an average high-temperature of 11.1°C (52°F) and a low-temperature of 9.2°C (48.6°F).

The months with the lowest humidity in Cobo are November and December, with an average relative humidity of 77%.

The average relative humidity in December is 77%.

In December, in Cobo, Guernsey, the rain falls for 21.4 days. Throughout December, 70mm (2.76") of precipitation is accumulated.

In Cobo, snow does not fall in February through December.

In Cobo, in December, it doesn't snow. In January, it regularly snows.

December has the shortest days of the year, with an average of 8h and 12min of daylight.

In Cobo, Guernsey, the average day length in December is 8h and 14min.

In December, on the first day of the month, sunrise is at 07:45 and sunset at 16:13. On the last day of the month, in Cobo, Guernsey, sunrise is at 08:06 and sunset at 16:20 GMT.

The months with the least sunshine in Cobo are January, November and December, with an average of 3.9h of sunshine.

In Cobo, Guernsey, the average sunshine duration in December is 3.9h.

In Cobo, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cobo, Guernsey

  • Average high temperature in December: 11.1°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

  • Average low temperature in December: 9.2°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

Average pressure in December
Cobo, Guernsey

  • Average pressure in December: 1016.5mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in December
Cobo, Guernsey

  • Average wind speed in December: 36km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

Average humidity in December
Cobo, Guernsey

  • Average humidity in December: 77%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).

Average rainfall in December
Cobo, Guernsey

  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in December
Cobo, Guernsey

  • Average rainfall days in December: 21.4 days

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

Average snowfall in December
Cobo, Guernsey

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Cobo, Guernsey

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Cobo, Guernsey

  • Average daylight in December: 8h and 12min

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 12min).

  • Average sunshine in December: 3h and 54min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days in December
Cobo, Guernsey

  • Average sunshine days in December: 5.3 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

Average UV index in December
Cobo, Guernsey

  • Average UV index in December: 3

The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in December
Cobo, Guernsey

  • Average cloud cover in December: 63

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Cobo, Guernsey

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).