December weather forecastValleymount, Ireland
December
Weather in December
December, the first month of the winter in Valleymount, is still a chilly month, with temperature in the range of an average low of 2.4°C (36.3°F) and an average high of 7°C (44.6°F).Temperature
With December's arrival, Valleymount, Ireland, notes an average high-temperature of a still frosty 7°C (44.6°F), closely following the trend of the preceding month. Valleymount records a slight downturn to an average an icy 2.4°C (36.3°F) during the nights of December.Humidity
The most humid month in Valleymount is December, with an average relative humidity of 92%.Rainfall
In Valleymount, in December, during 11 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Valleymount, Ireland, there are 142.7 rainfall days, and 221mm (8.7") of precipitation is accumulated.Snowfall
Months with snowfall in Valleymount, Ireland, are January through April, November and December. In Valleymount, in December, snow falls for 1.6 days, with typically accumulated 8mm (0.31") of snow. In Valleymount, during the entire year, snow falls for 9.7 days and aggregates up to 45mm (1.77") of snow.Daylight
December has the shortest days of the year in Valleymount, Ireland, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:17 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 8:39 am and sunset at 4:18 pm GMT.
Sunshine
In December, the average sunshine in Valleymount is 3.9h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Valleymount, Ireland
- Average high temperature in December: 7°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 (6.6°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Valleymount, 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
Valleymount, Ireland
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Valleymount, Ireland
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in December
Valleymount, Ireland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (26mm).
The driest months (with the least rainfall) are January and October (13mm).
Average rainfall days in December
Valleymount, Ireland
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in December
Valleymount, Ireland
- Average snowfall in December: 8mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Valleymount, Ireland
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.7 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
Valleymount, Ireland
- Average daylight in December: 7h and 42min
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 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Valleymount, Ireland
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Valleymount, Ireland
- Average UV index in December: 2
The months with the highest UV index are May, June and August (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
Valleymount, Ireland
- Average cloud cover in December: 62
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Valleymount, 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).





