December weather forecastWillbrook, Ireland

December

Weather in December

December, the first month of the winter in Willbrook, is also a frosty month, with an average temperature ranging between min 3.4°C (38.1°F) and max 7.1°C (44.8°F).

Temperature

Willbrook's December showcases an average high-temperature of a still chilly 7.1°C (44.8°F), hardly distinct from November's 9.1°C (48.4°F). Willbrook records a consistent average nighttime temperature of 3.4°C (38.1°F) in December, slightly lower than the daytime high.

Humidity

With an average relative humidity of 90%, December is the most humid month.

Rainfall

In Willbrook, during December, the rain falls for 14.9 days and regularly aggregates up to 47mm (1.85") of precipitation. In Willbrook, during the entire year, the rain falls for 209.2 days and collects up to 564mm (22.2") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Willbrook. In Willbrook, during December, snow falls for 1.2 days and regularly aggregates up to 13mm (0.51") of snow. Throughout the year, in Willbrook, there are 7.1 snowfall days, and 56mm (2.2") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 36min of daylight.
On the first day of December, sunrise is at 8:17 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:39 am and sunset at 4:16 pm GMT.

Sunshine

The average sunshine in December in Willbrook, Ireland, is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

Willbrook in December has an average high-temperature of 7.1°C (44.8°F) and an average low-temperature of 3.4°C (38.1°F).

With an average relative humidity of 90%, December is the most humid month in Willbrook, Ireland.

The average relative humidity in December in Willbrook is 90%.

In Willbrook, in December, it is raining for 14.9 days, with typically 47mm (1.85") of accumulated precipitation.

In December, it is snowing for 1.2 days. Throughout December, 13mm (0.51") of snow is accumulated.

The month with the shortest days is December, with an average of 7h and 36min of daylight.

The average day length in December is 7h and 37min.

In December, on the first day of the month, sunrise is at 8:17 am and sunset at 4:10 pm. On the last day of the month, in Willbrook, Ireland, sunrise is at 8:39 am and sunset at 4:16 pm GMT.

In December, the average sunshine duration is 4.2h.

The months with the lowest UV index in Willbrook are January, February, November and December, with an average maximum UV index of 2.

In Willbrook, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Willbrook, Ireland

  • Average high temperature in December: 7.1°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

Average pressure in December
Willbrook, Ireland

  • Average pressure in December: 1011mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).

Average wind speed in December
Willbrook, Ireland

  • Average wind speed in December: 21km/h

The windiest month (with the highest average wind speed) is January (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).

Average humidity in December
Willbrook, Ireland

  • Average humidity in December: 90%

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).

Average rainfall in December
Willbrook, Ireland

  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in December
Willbrook, Ireland

  • Average rainfall days in December: 14.9 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (13.6 days).

Average snowfall in December
Willbrook, Ireland

  • Average snowfall in December: 13mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Willbrook, Ireland

  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Willbrook, Ireland

  • Average daylight in December: 7h and 36min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in December: 4h and 12min

The months with the most sunshine are April and May (Average sunshine: 6h and 42min).
The months with the least sunshine are February, October and November (Average sunshine: 3h and 54min).

Average sunshine days in December
Willbrook, Ireland

  • Average sunshine days in December: 13 days

The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.4 days).

Average UV index in December
Willbrook, Ireland

  • Average UV index in December: 2

The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Willbrook, Ireland

  • Average cloud cover in December: 58

The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in December
Willbrook, Ireland

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).