Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset brings an average high-temperature of a still frosty 6.9°C (44.4°F), showing a minute difference from November's 8.8°C (47.8°F). During the month of December, Roosky's average nighttime temperature closely mirrors its daytime counterpart, at an icy 2.5°C (36.5°F).Humidity
December is the most humid month, with an average relative humidity of 92%.Rainfall
In December, the rain falls for 14.4 days. Throughout December, 25mm (0.98") of precipitation is accumulated. Throughout the year, in Roosky, there are 164.1 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
Months with snowfall in Roosky are January through April, November and December. In Roosky, in December, during 0.6 snowfall days, 2mm (0.08") of snow is typically accumulated. Throughout the year, in Roosky, there are 7.3 snowfall days, and 36mm (1.42") of snow is accumulated.Daylight
December has the shortest days of the year in Roosky, Ireland, with an average of 7h and 30min of daylight.On the first day of December in Roosky, Ireland, sunrise is at 8:27 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 8:49 am and sunset at 4:20 pm GMT.
Sunshine
In December, the average sunshine is 3.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roosky. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Roosky in December?
What is the most humid month in Roosky?
What is the average humidity in December in Roosky?
How many days does it rain in December in Roosky?
How much does it snow in Roosky in December?
What is the month with the shortest days in Roosky?
What is the average length of the day in December in Roosky?
When are sunrise and sunset in December in Roosky?
How long on average sun shines in December in Roosky?
What is the month with the lowest UV index in Roosky?
What is the UV index intensity in December in Roosky?
Average temperature in December
Roosky, Ireland
- Average high temperature in December: 6.9°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 (6.8°C).
- Average low temperature in December: 2.5°C
The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Roosky, Ireland
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in December
Roosky, Ireland
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is January (18.8km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in December
Roosky, Ireland
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall in December
Roosky, Ireland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Roosky, Ireland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in December
Roosky, Ireland
- Average snowfall in December: 2mm
The months with the highest snowfall are January and November (10mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Roosky, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (2.8 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
Roosky, Ireland
- Average daylight in December: 7h and 3min
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 5min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Roosky, Ireland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is March (13.9 days).
The month with the least sunshine days is August (7.9 days).
Average UV index in December
Roosky, Ireland
- Average UV index in December: 2
The months with the highest UV index are May and 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
Roosky, Ireland
- Average cloud cover in December: 62
The months with the most cloud cover are July and August (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in December
Roosky, Ireland
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July and August (7km).
Roosky, Ireland
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