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
December
Weather in December
Temperature
The transition into December marks the average high-temperature at a still frosty 7.2°C (45°F), differing minimally from November's 9.1°C (48.4°F). A consistent nighttime average temperature of 2.5°C (36.5°F) is maintained during December.Humidity
November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
In December, the rain falls for 13.7 days. Throughout December, 27mm (1.06") of precipitation is accumulated. In Rathdangan, during the entire year, the rain falls for 167.6 days and collects up to 283mm (11.14") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Rathdangan, in December, snow falls for 1.2 days, with typically accumulated 4mm (0.16") of snow. Throughout the year, there are 7.4 snowfall days, and 38mm (1.5") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:16 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:38 am and sunset at 4:19 pm GMT.
Sunshine
February, November and December, with an average of 3.8h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rathdangan have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Rathdangan have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rathdangan, Ireland
- Average high temperature in December: 7.2°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 (7°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Rathdangan, Ireland
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in December
Rathdangan, Ireland
- Average wind speed in December: 18.9km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Rathdangan, Ireland
- Average humidity in December: 92%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in December
Rathdangan, Ireland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).
Average rainfall days in December
Rathdangan, Ireland
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in December
Rathdangan, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rathdangan, Ireland
- Average snowfall days in December: 1.2 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
Rathdangan, Ireland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Rathdangan, Ireland
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Rathdangan, Ireland
- Average UV index in December: 2
The months with the highest UV index are 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
Rathdangan, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Rathdangan, 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, August and September (7km).
