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
December's presence marks an average high-temperature of a still frosty 7.1°C (44.8°F), subtly varied from November's 9°C (48.2°F). Registering an almost steady temperature, Kilmessan's nights in December see an average low of 2.8°C (37°F).Humidity
The most humid month in Kilmessan, Ireland, is December, with an average relative humidity of 91%.Rainfall
In Kilmessan, in December, it is raining for 11.8 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Kilmessan, there are 171.5 rainfall days, and 274mm (10.79") of precipitation is accumulated.Snowfall
Months with snowfall in Kilmessan are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 4mm (0.16") of snow. In Kilmessan, during the entire year, snow falls for 6.1 days and aggregates up to 33mm (1.3") of snow.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year in Kilmessan.On the first day of December, sunrise is at 8:20 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 4:16 pm GMT.
Sunshine
In Kilmessan, the average sunshine in December is 4.2h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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 is the usual temperature for Kilmessan in December?
What is the most humid month in Kilmessan?
What is the average humidity in December in Kilmessan?
How many days does it rain in December in Kilmessan?
When does it start snowing in Kilmessan?
What is the month with the shortest days in Kilmessan?
What is the average length of the day in December in Kilmessan?
When is the sunrise / sunset in December in Kilmessan?
How many hours of sunshine does Kilmessan have in December?
What are the months with the lowest UV index in Kilmessan?
What is the UV index reading in December in Kilmessan?
Average temperature in December
Kilmessan, Ireland
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Kilmessan, Ireland
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in December
Kilmessan, Ireland
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity in December
Kilmessan, Ireland
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall in December
Kilmessan, Ireland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).
Average rainfall days in December
Kilmessan, Ireland
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Kilmessan, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Kilmessan, Ireland
- Average snowfall days in December: 0.8 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, October and November (0 days).
Average daylight in December /
Average sunshine in December
Kilmessan, Ireland
- Average daylight in December: 7h and 4min
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 36min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Kilmessan, Ireland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Kilmessan, 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
Kilmessan, Ireland
- Average cloud cover in December: 59
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in December
Kilmessan, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
