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
The ushering in of December brings an average high-temperature of a still frosty 7.6°C (45.7°F), closely mirroring the 9.1°C (48.4°F) of November. In Knocklong, the average temperature during the nights of December drops to a cold 2.5°C (36.5°F).Humidity
November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
In Knocklong, Ireland, during December, the rain falls for 10.5 days and regularly aggregates up to 27mm (1.06") of precipitation. In Knocklong, Ireland, during the entire year, the rain falls for 148.4 days and collects up to 306mm (12.05") of precipitation.Snowfall
Months with snowfall in Knocklong are January through March, November and December. In Knocklong, in December, snow falls for 1.1 days, with typically accumulated 7mm (0.28") of snow. In Knocklong, during the entire year, snow falls for 6.5 days and aggregates up to 36mm (1.42") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Knocklong.On the first day of the month, sunrise is at 8:22 am and sunset at 4:23 pm. On the last day of December, sunrise is at 8:43 am and sunset at 4:29 pm GMT.
Sunshine
In December, the average sunshine is 3.8h.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 low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Knocklong?
What is the most humid month in Knocklong?
What is the average humidity in December in Knocklong?
How much does it rain in Knocklong in December?
How many days does it snow in December in Knocklong?
What is the month with the shortest days in Knocklong?
What is the average length of the day in December in Knocklong?
When is the sunrise / sunset in December in Knocklong?
How many hours of sunshine does Knocklong have in December?
What is the month with the lowest UV index in Knocklong?
How high is the UV index in December in Knocklong?
Average temperature in December
Knocklong, Ireland
- Average high temperature in December: 7.6°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 (7.2°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is July (10.5°C).
The coldest months (with the lowest average low temperature) are February and March (1.8°C).
Average pressure in December
Knocklong, 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
Knocklong, Ireland
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Knocklong, 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
Knocklong, Ireland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in December
Knocklong, Ireland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in December
Knocklong, Ireland
- Average snowfall in December: 7mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Knocklong, Ireland
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (1.8 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
Knocklong, 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 5h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in December
Knocklong, Ireland
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Knocklong, 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
Knocklong, Ireland
- Average cloud cover in December: 62
The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in December
Knocklong, Ireland
- Average visibility in December: 8km
The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August and September (7km).
