December weather forecastStraffan, Ireland
December
Weather in December
The first month of the winter, December, is still a chilly month in Straffan, Ireland, with temperature in the range of an average high of 7.1°C (44.8°F) and an average low of 2.8°C (37°F).Temperature
Straffan, Ireland, experiences an average high-temperature of a still frosty 7.1°C (44.8°F) in December, marking an insignificant shift from 9°C (48.2°F) in November. Straffan's temperature during December nights registers a minor decrease to an average low of 2.8°C (37°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
In Straffan, in December, it is raining for 11.8 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Straffan, there are 170.7 rainfall days, and 271mm (10.67") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Straffan, there are 6.1 snowfall days, and 33mm (1.3") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:19 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 8:41 am and sunset at 4:17 pm GMT.
Sunshine
In Straffan, the average sunshine in December is 4.2h.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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Keep in mind! Snow's reflective quality can nearly 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
Straffan, Ireland
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Straffan, Ireland
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in December
Straffan, Ireland
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity in December
Straffan, Ireland
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall in December
Straffan, Ireland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).
Average rainfall days in December
Straffan, Ireland
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Straffan, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Straffan, Ireland
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.1 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
Straffan, Ireland
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Straffan, Ireland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Straffan, Ireland
- Average UV index in December: 2
The months with the highest UV index are May, June and August (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
Straffan, Ireland
- Average cloud cover in December: 59
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
Straffan, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
