December weather forecastRahan, Ireland
December
Weather in December
December, the first month of the winter in Rahan, is still a chilly month, with temperature in the range of an average high of 6.9°C (44.4°F) and an average low of 2.3°C (36.1°F).Temperature
January and December bring Rahan's lowest average temperatures, reaching a high of 6.9°C (44.4°F).Humidity
With an average relative humidity of 92%, December is the most humid month.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 151.3 rainfall days, and 265mm (10.43") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Rahan, during December, snow falls for 1.4 days and regularly aggregates up to 7mm (0.28") of snow. In Rahan, Ireland, during the entire year, snow falls for 7.7 days and aggregates up to 58mm (2.28") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:23 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:45 am and sunset at 4:22 pm GMT.
Sunshine
In Rahan, the average sunshine in December is 3.9h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rahan, Ireland
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The months with the lowest average high temperature are January and December (6.9°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is July (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Rahan, Ireland
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in December
Rahan, Ireland
- Average wind speed in December: 18.9km/h
The windiest months (with the highest average wind speed) are January, February and December (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Rahan, Ireland
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are March, April and May (86%).
Average rainfall in December
Rahan, Ireland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is November (32mm).
The driest month (with the least rainfall) is January (16mm).
Average rainfall days in December
Rahan, Ireland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in December
Rahan, Ireland
- Average snowfall in December: 7mm
The months with the highest snowfall are February and November (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Rahan, Ireland
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.5 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
Rahan, 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: 3h and 54min
The month with the most sunshine is June (Average sunshine: 6h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Rahan, Ireland
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is December (15.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Rahan, 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
Rahan, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in December
Rahan, Ireland
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The month with the lowest visibility is July (7km).
