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
Ireland's weather changes with the onset of December, slightly falling from a fresh 52.9°F (11.6°C) in November to a frosty 43.3°F (6.3°C). During the month of December, the nighttime temperature in Ireland falls to an average of 31.5°F (-0.3°C).Humidity
In Ireland, the average relative humidity in December is 80%.Rainfall
In December, in Ireland, the rain falls for 10.8 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Ireland, during the entire year, the rain falls for 166.2 days and collects up to 39.17" (995mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In Ireland, in December, snow falls for 5.2 days, with typically accumulated 1.42" (36mm) of snow. In Ireland, during the entire year, snow falls for 25.4 days and aggregates up to 7.8" (198mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Ireland.On the first day of the month, sunrise is at 7:46 am and sunset at 5:27 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:37 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Ireland in December?
What is the average humidity in December in Ireland?
How much does it rain in Ireland in December?
How many days does it snow in December in Ireland?
What is the month with the shortest days in Ireland?
What is the average length of the day in December in Ireland?
When are sunrise and sunset in December in Ireland?
What is the month with the least sunshine in Ireland?
How many hours of sunshine does Ireland have in December?
When is the lowest UV index in Ireland?
How high is the UV index in December in Ireland?
Average temperature in December
Ireland, IN
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Ireland, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Ireland, IN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Ireland, IN
- Average humidity in December: 80%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Ireland, IN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Ireland, IN
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in December
Ireland, IN
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Ireland, IN
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ireland, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Ireland, IN
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Ireland, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ireland, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Ireland, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Ireland, Indiana, USA
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