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
The shift into December finds Annagassan, Ireland, at an average high-temperature of a still chilly 7.7°C (45.9°F), closely comparable to November's conditions. In Annagassan, the average low-temperature during December nights tends to settle at a wintry 4.5°C (40.1°F), indicating a slight drop from the daytime peak.Humidity
July through September and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Annagassan, in December, during 12.7 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Annagassan, during the entire year, the rain falls for 163.9 days and collects up to 339mm (13.35") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Annagassan, in December, snow falls for 1.4 days, with typically accumulated 6mm (0.24") of snow. Throughout the year, there are 7.3 snowfall days, and 25mm (0.98") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 8:21 am and sunset at 4:08 pm. On the last day of December, in Annagassan, Ireland, sunrise is at 8:43 am and sunset at 4:13 pm GMT.
Sunshine
In Annagassan, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Annagassan. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are December temperatures in Annagassan?
What is the most humid month in Annagassan?
What is the average humidity in December in Annagassan?
How much does it rain in Annagassan in December?
How many days does it snow in December in Annagassan?
What is the month with the shortest days in Annagassan?
What is the average length of the day in December in Annagassan?
When is the sunrise / sunset in December in Annagassan?
How long on average sun shines in December in Annagassan?
What are the months with the lowest UV index in Annagassan?
What is the UV index reading in December in Annagassan?
Average temperature in December
Annagassan, Ireland
- Average high temperature in December: 7.7°C
The warmest months (with the highest average high temperature) are July and August (16.8°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in December: 4.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).
Average pressure in December
Annagassan, Ireland
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.8mbar).
Average wind speed in December
Annagassan, Ireland
- Average wind speed in December: 23.8km/h
The windiest month (with the highest average wind speed) is January (23.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.8km/h).
Average humidity in December
Annagassan, Ireland
- Average humidity in December: 87%
The months with the highest relative humidity are July, August, September and December (87%).
The months with the lowest relative humidity are March, April and May (84%).
Average rainfall in December
Annagassan, Ireland
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is May (18mm).
Average rainfall days in December
Annagassan, Ireland
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in December
Annagassan, Ireland
- Average snowfall in December: 6mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Annagassan, Ireland
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.4 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
Annagassan, Ireland
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Annagassan, Ireland
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in December
Annagassan, 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, November and December (UV index 2).
Average cloud cover in December
Annagassan, Ireland
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Annagassan, Ireland
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
Annagassan, Ireland
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