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 average high-temperature stands at a still chilly 7.2°C (45°F), showing little deviation from November's 9.1°C (48.4°F). December nights anticipate an average temperature of 2.5°C (36.5°F), a modest decline from the daytime.Humidity
The months with the highest humidity in Coolboy are November and December, with an average relative humidity of 92%.Rainfall
In December, in Coolboy, the rain falls for 13.7 days. Throughout December, 27mm (1.06") of precipitation is accumulated. In Coolboy, during the entire year, the rain falls for 167.6 days and collects up to 283mm (11.14") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Coolboy, in December, during 1.2 snowfall days, 4mm (0.16") of snow is typically accumulated. Throughout the year, there are 7.4 snowfall days, and 38mm (1.5") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:15 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 8:37 am and sunset at 4:20 pm GMT.
Sunshine
The months with the least sunshine in Coolboy, Ireland, are February, November and December, with an average of 3.8h of 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Coolboy?
What are the most humid months in Coolboy?
What is the average humidity in December in Coolboy?
How much does it rain in Coolboy in December?
How many days does it snow in December in Coolboy?
What is the month with the shortest days in Coolboy?
What is the average length of the day in December in Coolboy?
What time are sunrise and sunset in December in Coolboy?
What are the months with the least sunshine in Coolboy?
How long on average sun shines in December in Coolboy?
When is the lowest UV index in Coolboy?
What is the UV index intensity in December in Coolboy?
Average temperature in December
Coolboy, Ireland
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Coolboy, Ireland
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in December
Coolboy, Ireland
- Average wind speed in December: 18.9km/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 (12.7km/h).
Average humidity in December
Coolboy, 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
Coolboy, Ireland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).
Average rainfall days in December
Coolboy, Ireland
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in December
Coolboy, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Coolboy, Ireland
- Average snowfall days in December: 1.2 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Coolboy, Ireland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Coolboy, Ireland
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Coolboy, 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
Coolboy, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Coolboy, Ireland
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July, August and September (7km).
