December weather forecastFermoy, Ireland

December

Weather in December

The first month of the winter, December, is also a frosty month in Fermoy, Ireland, with an average temperature varying between 5°C (41°F) and 8.8°C (47.8°F).

Temperature

December records an average high-temperature of a chilly 8.8°C (47.8°F), indicating a minor variation from the preceding month. Fermoy, during December nights, experiences a subtle shift to a low average of 5°C (41°F) from the day's heat.

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through March, November and December. In December, in Fermoy, Ireland, it is snowing for 0.5 days. Throughout December, 2mm (0.08") of snow is accumulated. Throughout the year, in Fermoy, there are 3.8 snowfall days, and 20mm (0.79") of snow is accumulated.

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 8:20 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 8:41 am and sunset at 4:30 pm GMT.

Sunshine

In December, the average sunshine 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 low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

The average high-temperature, in December, in Fermoy, is 8.8°C (47.8°F), while the average low-temperature is 5°C (41°F).

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

The average relative humidity in December in Fermoy, Ireland, is 87%.

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

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

In Fermoy, Ireland, in December, during 0.5 snowfall days, 2mm (0.08") of snow is typically accumulated.

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

In Fermoy, the average day length in December is 7h and 49min.

In December, on the first day of the month, sunrise is at 8:20 am and sunset at 4:24 pm. On the last day of the month, in Fermoy, sunrise is at 8:41 am and sunset at 4:30 pm GMT.

The average sunshine duration in December is 4.2h.

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

In Fermoy, Ireland, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, Ireland

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • 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
Fermoy, 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
Fermoy, 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
Fermoy, 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
Fermoy, 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).