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 onset records a minor alteration in the average high-temperature to a still frosty 8°C (46.4°F) from November's 9.6°C (49.3°F). Killeedy notes an average temperature descent to a wintry 3.5°C (38.3°F) in December, a small shift from its daytime peak.Humidity
November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 16.1 days and typically aggregates up to 56mm (2.2") of precipitation.Snowfall
January through March and December are months with snowfall in Killeedy. December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 21mm (0.83") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Killeedy.On the first day of the month, sunrise is at 8:24 am and sunset at 4:26 pm. On the last day of December, sunrise is at 8:46 am and sunset at 4:32 pm GMT.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days in Killeedy?
How many hours of daylight does Killeedy have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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
Killeedy, 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).
