December weather forecastRivory, Ireland

December

Weather in December

The first month of the winter, December, is still a chilly month in Rivory, Ireland, with an average temperature ranging between min 2.3°C (36.1°F) and max 6.5°C (43.7°F).

Temperature

The onset of December notes an average high-temperature of a still frosty 6.5°C (43.7°F), subtly shifted from November's 8.5°C (47.3°F). The temperature during December experiences a small drop from daytime peaks, recording an average of 2.3°C (36.1°F) at night.

Humidity

November and December, with an average relative humidity of 92%, are the most humid months in Rivory, Ireland.

Rainfall

In Rivory, in December, during 11.9 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Rivory, during the entire year, the rain falls for 140.5 days and collects up to 228mm (8.98") of precipitation.

Snowfall

January through March and December are months with snowfall in Rivory. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 4mm (0.16") of snow. In Rivory, Ireland, during the entire year, snow falls for 7.3 days and aggregates up to 35mm (1.38") of snow.

Daylight

The month with the shortest days is December, with an average of 7h and 30min of daylight.
On the first day of December, sunrise is at 8:26 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:48 am and sunset at 4:17 pm GMT.

Sunshine

In Rivory, the average sunshine in December is 3.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

Rivory in December has an average high-temperature of 6.5°C (43.7°F) and an average low-temperature of 2.3°C (36.1°F).

The months with the highest humidity in Rivory are November and December, with an average relative humidity of 92%.

In December, the average relative humidity is 92%.

In Rivory, Ireland, in December, it is raining for 11.9 days, with typically 22mm (0.87") of accumulated precipitation.

December is the first month it typically snows in Rivory. Throughout December, in the average 1.1 snowfall days, it receives 4mm (0.16") of snow.

December has the shortest days of the year in Rivory, with an average of 7h and 30min of daylight.

The average day length in December in Rivory, Ireland, is 7h and 29min.

On the first day of December in Rivory, sunrise is at 8:26 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:48 am and sunset at 4:17 pm GMT.

In December, the average sunshine duration is 3.6h.

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December in Rivory, Ireland, is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Rivory, Ireland

  • Average high temperature in December: 6.5°C

The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in December: 2.3°C

The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).

Average pressure in December
Rivory, Ireland

  • Average pressure in December: 1009.7mbar

The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.5mbar).

Average wind speed in December
Rivory, Ireland

  • Average wind speed in December: 17.7km/h

The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).

Average humidity in December
Rivory, Ireland

  • Average humidity in December: 92%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (85%).

Average rainfall in December
Rivory, Ireland

  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is August (27mm).
The driest months (with the least rainfall) are April and September (13mm).

Average rainfall days in December
Rivory, Ireland

  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is September (9 days).

Average snowfall in December
Rivory, Ireland

  • Average snowfall in December: 4mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Rivory, Ireland

  • Average snowfall days in December: 1.1 days

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

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

  • Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is June (Average sunshine: 6h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days in December
Rivory, Ireland

  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is March (16.4 days).
The month with the least sunshine days is August (12.4 days).

Average UV index in December
Rivory, Ireland

  • Average UV index in December: 2

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

Average cloud cover in December
Rivory, Ireland

  • Average cloud cover in December: 64

The months with the most cloud cover are July and August (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 61).

Average visibility in December
Rivory, Ireland

  • Average visibility in December: 8km

The months with the highest visibility are February and March (9km).
The months with the lowest visibility are July, August and September (7km).