December weather forecastRaheny, Ireland
December weather for Raheny, Ireland: The month with the most snowfall in Raheny is December, when snow falls for 0.9 days and typically aggregates up to 12mm (0.47") of snow. In Raheny, Ireland, during December, snow falls for 0.9 days and regularly aggregates up to 12mm (0.47") of snow.
December
Weather in December
The first month of the winter, December, is still a chilly month in Raheny, Ireland, with an average temperature ranging between min 4.6°C (40.3°F) and max 8.3°C (46.9°F).Temperature
Raheny experiences an average high-temperature of a still frosty 8.3°C (46.9°F) in December, marking an insignificant shift from 9.9°C (49.8°F) in November. In Raheny, December nights maintain a consistent temperature, with an average low of 4.6°C (40.3°F).Humidity
The months with the highest humidity in Raheny are July and December, with an average relative humidity of 86%.Rainfall
In Raheny, Ireland, in December, during 11.8 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Raheny, Ireland, during the entire year, the rain falls for 159.4 days and collects up to 362mm (14.25") of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.9 days and accumulates 12mm (0.47") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 36min of daylight.On the first day of December, 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 4:15 pm GMT.
Sunshine
The average sunshine in December is 4.6h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Raheny, Ireland
- Average high temperature in December: 8.3°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 (7.6°C).
- Average low temperature in December: 4.6°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in December
Raheny, Ireland
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in December
Raheny, Ireland
- Average wind speed in December: 24.1km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in December
Raheny, Ireland
- Average humidity in December: 86%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in December
Raheny, Ireland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in December
Raheny, Ireland
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in December
Raheny, Ireland
- Average snowfall in December: 12mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Raheny, Ireland
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.1 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
Raheny, 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 months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in December
Raheny, Ireland
- Average sunshine days in December: 16.8 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Raheny, 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
Raheny, Ireland
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in December
Raheny, Ireland
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
