December weather forecastCroagh, Ireland

December

Weather in December

December, the first month of the winter in Croagh, is still a chilly month, with temperature in the range of an average high of 8°C (46.4°F) and an average low of 3.5°C (38.3°F).

Temperature

The onset of December brings with it an average high-temperature of a still chilly 8°C (46.4°F), showing a negligible variation from the month before. Croagh registers a steady nighttime temperature averaging a wintry 3.5°C (38.3°F) throughout December.

Humidity

November and December, with an average relative humidity of 90%, are the most humid months.

Rainfall

The month with the most rainfall in Croagh is December, when the rain falls for 16.1 days and typically aggregates up to 56mm (2.2") of precipitation.

Snowfall

January through March and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 21mm (0.83") of snow.

Daylight

With an average of 7h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 8:24 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 8:46 am and sunset at 4:31 pm GMT.

Sunshine

January and December, with an average of 4h of sunshine, are months with the least sunshine in Croagh.

UV index

The months with the lowest UV index in Croagh are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Croagh, is 8°C (46.4°F), while the average low-temperature is 3.5°C (38.3°F).

The months with the highest humidity are November and December, with an average relative humidity of 90%.

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

The month with the most rainfall in Croagh, Ireland, is December, when the rain falls for 16.1 days and typically aggregates up to 56mm (2.2") of precipitation.

In Croagh, Ireland, during December, the rain falls for 16.1 days and regularly aggregates up to 56mm (2.2") of precipitation.

The month with the most snowfall in Croagh is December, when snow falls for 0.6 days and typically aggregates up to 21mm (0.83") of snow.

December is the first month it typically snows in Croagh. Throughout December, in the average 0.6 snowfall days, it receives 21mm (0.83") of snow.

The month with the shortest days in Croagh is December, with an average of 7h and 48min of daylight.

The average day length in December is 7h and 45min.

In December, on the first day of the month, sunrise is at 8:24 am and sunset at 4:25 pm. On the last day of the month, in Croagh, Ireland, sunrise is at 8:46 am and sunset at 4:31 pm GMT.

The months with the least sunshine are January and December, with an average of 4h of sunshine.

The average sunshine duration in December in Croagh, Ireland, is 4h.

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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

9.6°C

8°C

7.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.3km/h

20.1km/h

19.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.5

12.6

11.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Croagh, Ireland

Average high temperature in December: 8°C

The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).

Average low temperature in December: 3.5°C

The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).

Average pressure in December
Croagh, 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
Croagh, Ireland

Average wind speed in December: 18.8km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

Average humidity in December
Croagh, Ireland

Average humidity in December: 90%

The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).

Average rainfall in December
Croagh, Ireland

Average rainfall in December: 56mm

The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in December
Croagh, Ireland

Average rainfall days in December: 16.1 days

The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).

Average snowfall in December
Croagh, Ireland

Average snowfall in December: 21mm

The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Croagh, Ireland

Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 48min).

Average sunshine in December: 4h and 0min

The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

Average sunshine days in December
Croagh, Ireland

Average sunshine days in December: 12.6 days

The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).

Average UV index in December
Croagh, Ireland

Average UV index in December: 2

The months with the highest UV index are May and June (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
Croagh, Ireland

Average cloud cover in December: 61

The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).

Average visibility in December
Croagh, Ireland

Average visibility in December: 9km

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