December weather forecastSmithborough, Ireland
December
Weather in December
The first month of the winter, December, is also a frosty month in Smithborough, Ireland, with an average temperature varying between 1.9°C (35.4°F) and 6.3°C (43.3°F).Temperature
The shift from November to December is characterized by an average high-temperature of a still frosty 6.3°C (43.3°F), not significantly different from the 8.1°C (46.6°F) of November. Smithborough in December experiences a minor decline in temperature, with an average low of 1.9°C (35.4°F) at night.Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
In December, in Smithborough, the rain falls for 13.6 days. Throughout December, 22mm (0.87") of precipitation is accumulated. In Smithborough, during the entire year, the rain falls for 165.8 days and collects up to 271mm (10.67") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Smithborough. Throughout December, in the average 1.2 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in Smithborough, there are 8.4 snowfall days, and 47mm (1.85") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 24min of daylight.On the first day of December in Smithborough, sunrise is at 8:25 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:48 am and sunset at 4:14 pm GMT.
Sunshine
In December, the average sunshine is 3.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Smithborough, Ireland
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 1.9°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in December
Smithborough, Ireland
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in December
Smithborough, Ireland
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.2km/h).
Average humidity in December
Smithborough, Ireland
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in December
Smithborough, Ireland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is August (34mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Smithborough, Ireland
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in December
Smithborough, Ireland
- Average snowfall in December: 3mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Smithborough, Ireland
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (3.1 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
Smithborough, Ireland
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is June (Average sunshine: 6h and 6min).
The months with the least sunshine are January, February and October (Average sunshine: 3h and 24min).
Average sunshine days in December
Smithborough, Ireland
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is October (12.9 days).
The month with the least sunshine days is July (7 days).
Average UV index in December
Smithborough, Ireland
- Average UV index in December: 2
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Smithborough, Ireland
- Average cloud cover in December: 64
The month with the most cloud cover is August (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in December
Smithborough, Ireland
- Average visibility in December: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July, August and September (7km).
