December weather forecastAherla, Ireland

December

Weather in December

December, the first month of the winter in Aherla, is still a chilly month, with an average temperature fluctuating between 5°C (41°F) and 8.8°C (47.8°F).

Temperature

The advent of December signifies a minor shift to an average high-temperature of a chilly 8.8°C (47.8°F), aligning closely with November. Aherla consistently logs a low temperature averaging an icy 5°C (41°F) during December, a modest drop from daytime temperatures.

Humidity

The months with the highest humidity in Aherla are October and December, with an average relative humidity of 87%.

Rainfall

The month with the most rainfall in Aherla is December, when the rain falls for 16.3 days and typically aggregates up to 66mm (2.6") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.5 days. Throughout December, 2mm (0.08") of snow is accumulated. In Aherla, Ireland, during the entire year, snow falls for 3.8 days and aggregates up to 20mm (0.79") of snow.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year in Aherla.
On the first day of the month, sunrise is at 8:20 am and sunset at 4:27 pm. On the last day of December, sunrise is at 8:42 am and sunset at 4:34 pm GMT.

Sunshine

In December, the average sunshine in Aherla is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

In December, the average high-temperature and low-temperature in Aherla, Ireland, are 8.8°C (47.8°F) and 5°C (41°F) respectively.

October and December, with an average relative humidity of 87%, are most humid months in Aherla.

In December, the average relative humidity in Aherla, Ireland, is 87%.

December is the month with the most rainfall in Aherla. Rain falls for 16.3 days and accumulates 66mm (2.6") of precipitation.

In Aherla, during December, the rain falls for 16.3 days and regularly aggregates up to 66mm (2.6") of precipitation.

In December, in Aherla, Ireland, it is snowing for 0.5 days. Throughout December, 2mm (0.08") of snow is accumulated.

The month with the shortest days in Aherla is December, with an average of 7h and 54min of daylight.

The average day length in December in Aherla, Ireland, is 7h and 52min.

On the first day of December, sunrise is at 8:20 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 4:34 pm GMT.

In December, the average sunshine duration is 4.2h.

January, February, 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 Aherla is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Aherla, Ireland

  • Average high temperature in December: 8.8°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 5°C

The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).

Average pressure in December
Aherla, Ireland

  • Average pressure in December: 1012.3mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

Average wind speed in December
Aherla, Ireland

  • Average wind speed in December: 23.5km/h

The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).

Average humidity in December
Aherla, Ireland

  • Average humidity in December: 87%

The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).

Average rainfall in December
Aherla, Ireland

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).

Average rainfall days in December
Aherla, Ireland

  • Average rainfall days in December: 16.3 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).

Average snowfall in December
Aherla, Ireland

  • Average snowfall in December: 2mm

The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Aherla, Ireland

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.2 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
Aherla, Ireland

  • Average daylight in December: 7h and 54min

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

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Aherla, Ireland

  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).

Average UV index in December
Aherla, Ireland

  • Average UV index in December: 2

The months with the highest UV index are June, July 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
Aherla, Ireland

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).

Average visibility in December
Aherla, Ireland

  • Average visibility in December: 9km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).