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 arrival of December sees a recorded average high-temperature of a still frosty 8°C (46.4°F), showing little divergence from the previous month's conditions. A modest decline from daytime high temperatures in Clarecastle, Ireland, is noticed in December, marking the average low at an icy 4°C (39.2°F).Humidity
November and December, with an average relative humidity of 89%, are the most humid months.Rainfall
In Clarecastle, in December, it is raining for 14.4 days, with typically 33mm (1.3") of accumulated precipitation. In Clarecastle, during the entire year, the rain falls for 184.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
Months with snowfall in Clarecastle, Ireland, are January through March and December. December is the first month it typically snows in Clarecastle. Throughout December, in the average 0.4 snowfall days, it receives 8mm (0.31") of snow. In Clarecastle, Ireland, during the entire year, snow falls for 3 days and aggregates up to 29mm (1.14") 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 the month, sunrise is at 8:26 am and sunset at 4:24 pm. On the last day of December, in Clarecastle, sunrise is at 8:48 am and sunset at 4:30 pm GMT.
Sunshine
In December, the average sunshine is 3.9h.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 the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Clarecastle in December?
What are the most humid months in Clarecastle?
What is the average humidity in December in Clarecastle?
How much does it rain in Clarecastle in December?
When does it start snowing in Clarecastle?
What is the month with the shortest days in Clarecastle?
What is the average length of the day in December in Clarecastle?
When are sunrise and sunset in December in Clarecastle?
How many hours of sunshine does Clarecastle have in December?
What are the months with the lowest UV index in Clarecastle?
What is the UV index reading in December in Clarecastle?
Average temperature in December
Clarecastle, Ireland
- Average high temperature in December: 8°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 (7.8°C).
- Average low temperature in December: 4°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in December
Clarecastle, Ireland
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in December
Clarecastle, Ireland
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in December
Clarecastle, Ireland
- Average humidity in December: 89%
The months with the highest relative humidity are November and December (89%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Clarecastle, Ireland
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in December
Clarecastle, Ireland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Clarecastle, Ireland
- Average snowfall in December: 8mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Clarecastle, Ireland
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.2 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
Clarecastle, 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 June (Average sunshine: 7h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Clarecastle, Ireland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is December (13.9 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in December
Clarecastle, 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
Clarecastle, Ireland
- Average cloud cover in December: 62
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
Clarecastle, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
