December weather forecastSmerwick, Ireland
December
Weather in December
The first month of the winter, December, is still a chilly month in Smerwick, Ireland, with an average temperature ranging between max 9.6°C (49.3°F) and min 7.5°C (45.5°F).Temperature
The average high-temperature for December is a frosty 9.6°C (49.3°F), closely aligning with the temperature of the preceding month. Smerwick experiences a steady nighttime temperature of 7.5°C (45.5°F) throughout the month of December.Humidity
In December, the average relative humidity is 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 23 days and typically aggregates up to 114mm (4.49") of precipitation.Snowfall
Months with snowfall in Smerwick are February, March and December. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 6mm (0.24") 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 the month, sunrise is at 8:28 am and sunset at 4:32 pm. On the last day of December, sunrise is at 8:50 am and sunset at 4:39 pm GMT.
Sunshine
The months with the least sunshine are January and December, with an average of 3.7h of sunshine.UV index
The average daily maximum UV index in December in Smerwick is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Smerwick, Ireland
- Average high temperature in December: 9.6°C
The warmest month (with the highest average high temperature) is July (16.1°C).
The month with the lowest average high temperature is February (9°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in December
Smerwick, Ireland
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in December
Smerwick, Ireland
- Average wind speed in December: 31.3km/h
The windiest month (with the highest average wind speed) is December (31.3km/h).
The calmest month (with the lowest average wind speed) is July (19.8km/h).
Average humidity in December
Smerwick, Ireland
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are February, March, April and November (80%).
Average rainfall in December
Smerwick, Ireland
- Average rainfall in December: 114mm
The wettest month (with the highest rainfall) is December (114mm).
The driest month (with the least rainfall) is June (53mm).
Average rainfall days in December
Smerwick, Ireland
- Average rainfall days in December: 23 days
The month with the highest number of rainy days is January (23.4 days).
The month with the least rainy days is April (17.1 days).
Average snowfall in December
Smerwick, Ireland
- Average snowfall in December: 6mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Smerwick, Ireland
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is December (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Smerwick, Ireland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Smerwick, Ireland
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is November (4.7 days).
Average UV index in December
Smerwick, Ireland
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in December
Smerwick, Ireland
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Smerwick, Ireland
- Average visibility in December: 9km
The months with the highest visibility are March, April, June and September (10km).
The months with the lowest visibility are January, February, May, July, August, October, November and December (9km).
