December weather forecastMyrtleville, Ireland

December

Weather in December

December, the first month of the winter in Myrtleville, is still a chilly month, with temperature in the range of an average low of 5°C (41°F) and an average high of 8.8°C (47.8°F).

Temperature

The advent of December sees the average high-temperature at a chilly 8.8°C (47.8°F), subtly shifted from November's 10.2°C (50.4°F). December nighttime temperatures hover close to the daytime peak with an average of 5°C (41°F).

Humidity

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

Rainfall

The month with the most rainfall in Myrtleville 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 Myrtleville. In December, in Myrtleville, it is snowing for 0.5 days. Throughout December, 2mm (0.08") of snow is accumulated. Throughout the year, there are 3.8 snowfall days, and 20mm (0.79") of snow is accumulated.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 8:18 am and sunset at 4:26 pm. On the last day of December, in Myrtleville, Ireland, sunrise is at 8:40 am and sunset at 4:32 pm GMT.

Sunshine

In December, the average sunshine in Myrtleville, 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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

The high-temperature in Myrtleville during December is 8.8°C (47.8°F) and the low-temperature is 5°C (41°F).

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

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

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

In Myrtleville, Ireland, in December, during 16.3 rainfall days, 66mm (2.6") of precipitation is typically accumulated.

In Myrtleville, during December, snow falls for 0.5 days and regularly aggregates up to 2mm (0.08") of snow.

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

The average day length in December in Myrtleville is 7h and 53min.

On the first day of December in Myrtleville, sunrise is at 8:18 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:32 pm GMT.

In Myrtleville, the average sunshine duration in December is 4.2h.

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

The average daily maximum UV index in December in Myrtleville, Ireland, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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
Myrtleville, 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).