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
Clonmellon's December weather, marked by an average high temperature of 6.9°C (44.4°F) and an average low temperature of 2.4°C (36.3°F), is the coldest in the year.Humidity
With an average relative humidity of 92%, December is the most humid month in Clonmellon.Rainfall
In Clonmellon, in December, during 12.3 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 153.9 rainfall days, and 280mm (11.02") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Clonmellon, in December, during 1.5 snowfall days, 11mm (0.43") of snow is typically accumulated. In Clonmellon, during the entire year, snow falls for 9 days and aggregates up to 58mm (2.28") of snow.Daylight
December has the shortest days of the year in Clonmellon, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 8:22 am and sunset at 4:11 pm. On the last day of December, in Clonmellon, Ireland, sunrise is at 8:44 am and sunset at 4:17 pm GMT.
Sunshine
The average sunshine in December is 3.8h.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Clonmellon?
How cold is it in Clonmellon in December?
What is the most humid month in Clonmellon?
What is the average humidity in December in Clonmellon?
How many days does it rain in December in Clonmellon?
How many days does it snow in December in Clonmellon?
What is the month with the shortest days in Clonmellon?
What is the average length of the day in December in Clonmellon?
When are sunrise and sunset in December in Clonmellon?
How many hours of sunshine does Clonmellon have in December?
What are the months with the lowest UV index in Clonmellon?
What is the UV index intensity in December in Clonmellon?
Average temperature in December
Clonmellon, Ireland
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is December (6.9°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in December
Clonmellon, Ireland
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed in December
Clonmellon, Ireland
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in December
Clonmellon, 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
Clonmellon, Ireland
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is November (32mm).
The driest month (with the least rainfall) is October (16mm).
Average rainfall days in December
Clonmellon, Ireland
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (16.5 days).
The months with the least rainy days are February and September (10.6 days).
Average snowfall in December
Clonmellon, Ireland
- Average snowfall in December: 11mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Clonmellon, Ireland
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (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
Clonmellon, 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 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Clonmellon, Ireland
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Clonmellon, Ireland
- Average UV index in December: 2
The months with the highest UV index are June, July 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
Clonmellon, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 71).
The months with the least cloud cover are April, November and December (Cloud cover 61).
Average visibility in December
Clonmellon, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (8km).
