December weather forecastRanelagh, Ireland

December

Weather in December

December, the first month of the winter in Ranelagh, is still a chilly month, with temperature in the range of an average low of 5.4°C (41.7°F) and an average high of 8.5°C (47.3°F).

Temperature

The commencement of December notes an average high-temperature of a chilly 8.5°C (47.3°F), exhibiting little difference from the previous month. Registering an almost steady temperature, Ranelagh's nights in December see an average low of 5.4°C (41.7°F).

Humidity

In Ranelagh, Ireland, the average relative humidity in December is 84%.

Rainfall

In Ranelagh, in December, it is raining for 17 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, in Ranelagh, there are 200.5 rainfall days, and 530mm (20.87") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 1.1 days and typically aggregates up to 9mm (0.35") of snow.

Daylight

With an average of 7h and 36min of daylight, December has the shortest days of the year.
On the first day of December in Ranelagh, sunrise is at 8:17 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:16 pm GMT.

Sunshine

The average sunshine in December in Ranelagh is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ranelagh. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

An average high-temperature, in December, in Ranelagh, is 8.5°C (47.3°F) and the average low-temperature is 5.4°C (41.7°F).

In Ranelagh, the average relative humidity in December is 84%.

In Ranelagh, Ireland, in December, it is raining for 17 days, with typically 55mm (2.17") of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 1.1 days and accumulates 9mm (0.35") of snow.

In Ranelagh, Ireland, in December, snow falls for 1.1 days, with typically accumulated 9mm (0.35") of snow.

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

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

On the first day of December in Ranelagh, Ireland, sunrise is at 8:17 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:16 pm GMT.

In Ranelagh, Ireland, the average sunshine duration in December is 4.6h.

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

In Ranelagh, Ireland, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Ranelagh, Ireland

  • Average high temperature in December: 8.5°C

The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).

  • Average low temperature in December: 5.4°C

The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).

Average pressure in December
Ranelagh, Ireland

  • Average pressure in December: 1011.1mbar

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
Ranelagh, Ireland

  • Average wind speed in December: 25.9km/h

The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).

Average humidity in December
Ranelagh, Ireland

  • Average humidity in December: 84%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).

Average rainfall in December
Ranelagh, Ireland

  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).

Average rainfall days in December
Ranelagh, Ireland

  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).

Average snowfall in December
Ranelagh, Ireland

  • Average snowfall in December: 9mm

The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Ranelagh, Ireland

  • Average snowfall days in December: 1.1 days

The months with the highest number of snowfall days are January and February (1.3 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
Ranelagh, 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 36min

The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).

Average sunshine days in December
Ranelagh, Ireland

  • Average sunshine days in December: 10.2 days

The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).

Average UV index in December
Ranelagh, Ireland

  • Average UV index in December: 2

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

Average cloud cover in December
Ranelagh, Ireland

  • Average cloud cover in December: 53

The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).

Average visibility in December
Ranelagh, Ireland

  • Average visibility in December: 9km

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