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 start of December marks an average high-temperature of a still chilly 7.2°C (45°F), hardly distinguishable from the conditions in November. Knockananna records a consistent average nighttime temperature of 2.5°C (36.5°F) in December, slightly lower than the daytime high.Humidity
The months with the highest humidity in Knockananna are November and December, with an average relative humidity of 92%.Rainfall
In Knockananna, in December, it is raining for 13.7 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Knockananna, there are 167.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.Snowfall
Months with snowfall in Knockananna are January through March, November and December. In Knockananna, Ireland, during December, snow falls for 1.2 days and regularly aggregates up to 4mm (0.16") of snow. In Knockananna, Ireland, during the entire year, snow falls for 7.4 days and aggregates up to 38mm (1.5") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:16 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:38 am and sunset at 4:19 pm GMT.
Sunshine
The months with the least sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider this! The reflection from snow can almost 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 usual temperature for Knockananna in December?
What are the most humid months in Knockananna?
What is the average humidity in December in Knockananna?
How much does it rain in Knockananna in December?
How much does it snow in Knockananna in December?
What is the month with the shortest days in Knockananna?
How many hours of daylight does Knockananna have in December?
When are sunrise and sunset in December in Knockananna?
What are the months with the least sunshine in Knockananna?
How many hours of sunshine does Knockananna have in December?
When is the lowest UV index in Knockananna?
How high is the UV index in December in Knockananna?
Average temperature in December
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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
Knockananna, 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).
