December weather forecastDouglas, Ireland
December
Weather in December
December, the first month of the winter in Douglas, is still a chilly month, with an average temperature fluctuating between 8.8°C (47.8°F) and 5°C (41°F).Temperature
The advent of December sees the average high-temperature at a frosty 8.8°C (47.8°F), subtly shifted from November's 10.2°C (50.4°F). During the nights of December, the average low-temperature in Douglas holds at an icy 5°C (41°F).Humidity
The months with the highest humidity in Douglas are October and December, with an average relative humidity of 87%.Rainfall
The month with the most rainfall is December, when the rain falls for 16.3 days and typically aggregates up to 66mm (2.6") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Douglas, during December, snow falls for 0.5 days and regularly aggregates up to 2mm (0.08") of snow. In Douglas, during the entire year, snow falls for 3.8 days and aggregates up to 20mm (0.79") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 8:19 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 8:41 am and sunset at 4:32 pm GMT.
Sunshine
In Douglas, Ireland, the average sunshine in December is 4.2h.UV index
January, February, November and 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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Douglas, Ireland
- Average high temperature in December: 8.8°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 (8.3°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Douglas, Ireland
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in December
Douglas, Ireland
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).
Average humidity in December
Douglas, Ireland
- Average humidity in December: 87%
The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall in December
Douglas, Ireland
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).
Average rainfall days in December
Douglas, Ireland
- Average rainfall days in December: 16.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in December
Douglas, Ireland
- Average snowfall in December: 2mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Douglas, Ireland
- Average snowfall days in December: 0.5 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Douglas, Ireland
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Douglas, Ireland
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in December
Douglas, Ireland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Douglas, Ireland
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Douglas, Ireland
- Average visibility in December: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).
