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
In December, the average high-temperature registers at a still frosty 7.5°C (45.5°F), nearly identical to November's 9.1°C (48.4°F). The December average low temperature, marginally lower than the daytime high, records at a wintry 2.5°C (36.5°F).Humidity
The months with the highest humidity are November and December, with an average relative humidity of 92%.Rainfall
In Killamery, Ireland, in December, during 17.3 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Killamery, during the entire year, the rain falls for 217.1 days and collects up to 563mm (22.17") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Killamery, during December, snow falls for 1.1 days and regularly aggregates up to 11mm (0.43") of snow. In Killamery, during the entire year, snow falls for 6.7 days and aggregates up to 48mm (1.89") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:18 am and sunset at 4:19 pm. On the last day of December, sunrise is at 8:40 am and sunset at 4:25 pm GMT.
Sunshine
The average sunshine in December is 4h.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 low health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Killamery have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Killamery, Ireland
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January, February and March (1.8°C).
Average pressure in December
Killamery, Ireland
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in December
Killamery, Ireland
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in December
Killamery, 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
Killamery, Ireland
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (70mm).
The driest months (with the least rainfall) are March, May and September (37mm).
Average rainfall days in December
Killamery, Ireland
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (15.6 days).
Average snowfall in December
Killamery, Ireland
- Average snowfall in December: 11mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Killamery, Ireland
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Killamery, Ireland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are April and May (Average sunshine: 6h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Killamery, Ireland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (11.1 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in December
Killamery, 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
Killamery, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 69).
The months with the least cloud cover are March and April (Cloud cover 59).
Average visibility in December
Killamery, Ireland
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
