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
Blackwood, Ireland, records a slight change with December's average high-temperatures adjusting to a still frosty 7°C (44.6°F) from November's 8.9°C (48°F). Blackwood maintains a minor drop in temperature during December nights, with averages of 2.4°C (36.3°F).Humidity
December is the most humid month in Blackwood, with an average relative humidity of 92%.Rainfall
In December, the rain falls for 11 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Blackwood, there are 142.7 rainfall days, and 221mm (8.7") of precipitation is accumulated.Snowfall
Months with snowfall in Blackwood are January through April, November and December. In Blackwood, Ireland, in December, snow falls for 1.6 days, with typically accumulated 8mm (0.31") of snow. In Blackwood, during the entire year, snow falls for 9.7 days and aggregates up to 45mm (1.77") of snow.Daylight
December has the shortest days of the year in Blackwood, with an average of 7h and 36min of daylight.On the first day of December in Blackwood, Ireland, sunrise is at 8:19 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 4:18 pm GMT.
Sunshine
In Blackwood, the average sunshine in December 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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider carefully! The reflective quality of 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
How cold does it get in Blackwood in December?
What is the most humid month in Blackwood?
What is the average humidity in December in Blackwood?
How much does it rain in Blackwood in December?
How much does it snow in Blackwood in December?
What is the month with the shortest days in Blackwood?
How many hours of daylight does Blackwood have in December?
When are sunrise and sunset in December in Blackwood?
How long on average sun shines in December in Blackwood?
What is the month with the lowest UV index in Blackwood?
What is the UV index intensity in December in Blackwood?
Average temperature in December
Blackwood, Ireland
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Blackwood, Ireland
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Blackwood, Ireland
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Blackwood, Ireland
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in December
Blackwood, Ireland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (26mm).
The driest months (with the least rainfall) are January and October (13mm).
Average rainfall days in December
Blackwood, Ireland
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in December
Blackwood, Ireland
- Average snowfall in December: 8mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Blackwood, Ireland
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.7 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
Blackwood, Ireland
- Average daylight in December: 7h and 4min
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: 3h and 5min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Blackwood, Ireland
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Blackwood, 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
Blackwood, Ireland
- Average cloud cover in December: 62
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Blackwood, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).
