December weather forecastCastleplunket, Ireland
December
Weather in December
The first month of the winter, December, is still a chilly month in Castleplunket, Ireland, with an average temperature ranging between min 2.6°C (36.7°F) and max 7.2°C (45°F).Temperature
The advent of December denotes an average high-temperature of a still chilly 7.2°C (45°F), subtly different from November's 8.8°C (47.8°F). Throughout December nights, Castleplunket records a consistent low-temperature averaging an icy 2.6°C (36.7°F).Humidity
November and December, with an average relative humidity of 91%, are the most humid months in Castleplunket.Rainfall
In Castleplunket, in December, during 17.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Castleplunket, during the entire year, the rain falls for 191.7 days and collects up to 375mm (14.76") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Castleplunket, in December, during 0.7 snowfall days, 1mm (0.04") of snow is typically accumulated. Throughout the year, there are 7.3 snowfall days, and 43mm (1.69") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Castleplunket, Ireland.On the first day of December, sunrise is at 8:28 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:50 am and sunset at 4:22 pm GMT.
Sunshine
The months with the least sunshine in Castleplunket are January, February, October and December, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castleplunket, Ireland
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is July (10.5°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in December
Castleplunket, Ireland
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in December
Castleplunket, Ireland
- Average wind speed in December: 19km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
Castleplunket, Ireland
- Average humidity in December: 91%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (85%).
Average rainfall in December
Castleplunket, Ireland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Castleplunket, Ireland
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (13.1 days).
Average snowfall in December
Castleplunket, Ireland
- Average snowfall in December: 1mm
The months with the highest snowfall are January and February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Castleplunket, Ireland
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.3 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
Castleplunket, Ireland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is June (Average sunshine: 6h and 42min).
The months with the least sunshine are January, February, October and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Castleplunket, Ireland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in December
Castleplunket, Ireland
- Average UV index in December: 2
The month with the highest UV index is 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
Castleplunket, Ireland
- Average cloud cover in December: 62
The months with the most cloud cover are July and August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in December
Castleplunket, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).
