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
Weather in December
Temperature
December registers an average high-temperature of a still frosty 8°C (46.4°F), slightly varied from November's 9.6°C (49.3°F). December nights in Knockaderry reflect a consistent temperature dip to an icy 3.5°C (38.3°F), a slight descent from daytime peaks.Humidity
The months with the highest humidity are November and December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall in Knockaderry. Rain falls for 16.1 days and accumulates 56mm (2.2") of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 21mm (0.83") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Knockaderry, Ireland.On the first day of the month, sunrise is at 8:24 am and sunset at 4:25 pm. On the last day of December, sunrise is at 8:46 am and sunset at 4:31 pm GMT.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine in Knockaderry.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Knockaderry. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the temperature in December in Knockaderry?
What are the most humid months in Knockaderry?
What is the average humidity in December in Knockaderry?
What is the wettest month in Knockaderry?
How much does it rain in Knockaderry in December?
When does it snow the most in Knockaderry?
When does it start snowing in Knockaderry?
What is the month with the shortest days in Knockaderry?
What is the average length of the day in December in Knockaderry?
When are sunrise and sunset in December in Knockaderry?
What are the months with the least sunshine in Knockaderry?
How many hours of sunshine does Knockaderry have in December?
What are the months with the lowest UV index in Knockaderry?
How high is the UV index in December in Knockaderry?
Average temperature in December
Knockaderry, Ireland
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).
Average pressure in December
Knockaderry, Ireland
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Knockaderry, Ireland
- Average wind speed in December: 18.8km/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 (13.3km/h).
Average humidity in December
Knockaderry, Ireland
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Knockaderry, Ireland
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Knockaderry, Ireland
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in December
Knockaderry, Ireland
- Average snowfall in December: 21mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Knockaderry, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.9 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
Knockaderry, 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 month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in December
Knockaderry, Ireland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in December
Knockaderry, 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
Knockaderry, Ireland
- Average cloud cover in December: 61
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
Knockaderry, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
Knockaderry, Ireland
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