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 onset of December brings with it an average high-temperature of a still chilly 8°C (46.4°F), showing a negligible variation from the month before. Croagh registers a steady nighttime temperature averaging a wintry 3.5°C (38.3°F) throughout December.Humidity
November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
The month with the most rainfall in Croagh is December, when the rain falls for 16.1 days and typically aggregates up to 56mm (2.2") of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 21mm (0.83") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:24 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 8:46 am and sunset at 4:31 pm GMT.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine in Croagh.UV index
The months with the lowest UV index in Croagh 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Croagh in December?
What are the most humid months in Croagh?
What is the average humidity in December in Croagh?
What is the rainiest month in Croagh?
How many days does it rain in December in Croagh?
What is the snowiest month in Croagh?
When does it start snowing in Croagh?
What is the month with the shortest days in Croagh?
What is the average length of the day in December in Croagh?
When is the sunrise / sunset in December in Croagh?
What is the month with the least sunshine in Croagh?
How many hours of sunshine does Croagh have in December?
What are the months with the lowest UV index in Croagh?
What is the UV index reading in December in Croagh?
Average temperature in December
Croagh, Ireland
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).
Average pressure in December
Croagh, Ireland
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Croagh, Ireland
- Average wind speed in December: 18.8km/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 (13.3km/h).
Average humidity in December
Croagh, Ireland
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Croagh, Ireland
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Croagh, Ireland
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in December
Croagh, Ireland
- Average snowfall in December: 21mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Croagh, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Croagh, Ireland
- Average daylight in December: 7h and 5min
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 48min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in December
Croagh, Ireland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in December
Croagh, Ireland
- Average UV index in December: 2
The months with the highest UV index are May and June (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
Croagh, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in December
Croagh, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).
