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
Pontnewynydd observes a minor difference in average high-temperatures between November's 9.5°C (49.1°F) and December's 7.6°C (45.7°F). Pontnewynydd's December nights demonstrate minimal variation from the daytime temperatures, with an average of 4°C (39.2°F).Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Pontnewynydd, United Kingdom, is December, when the rain falls for 17.7 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
Months with snowfall in Pontnewynydd are January through April, November and December. In Pontnewynydd, in December, during 1.6 snowfall days, 17mm (0.67") of snow is typically accumulated. In Pontnewynydd, during the entire year, snow falls for 10.4 days and aggregates up to 107mm (4.21") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:57 am and sunset at 4:05 pm. On the last day of December, sunrise is at 8:18 am and sunset at 4:12 pm GMT.
Sunshine
In Pontnewynydd, the average sunshine in December is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pontnewynydd. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Pontnewynydd in December?
What is the most humid month in Pontnewynydd?
What is the average humidity in December in Pontnewynydd?
What is the rainiest month in Pontnewynydd?
How many days does it rain in December in Pontnewynydd?
How much does it snow in Pontnewynydd in December?
What is the month with the shortest days in Pontnewynydd?
What is the average length of the day in December in Pontnewynydd?
When are sunrise and sunset in December in Pontnewynydd?
How long on average sun shines in December in Pontnewynydd?
When is the lowest UV index in Pontnewynydd?
How high is the UV index in December in Pontnewynydd?
Average temperature in December
Pontnewynydd, United Kingdom
- Average high temperature in December: 7.6°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (2.7°C).
Average pressure in December
Pontnewynydd, United Kingdom
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in December
Pontnewynydd, United Kingdom
- Average wind speed in December: 19.9km/h
The windiest month (with the highest average wind speed) is February (20.6km/h).
The calmest month (with the lowest average wind speed) is June (13.8km/h).
Average humidity in December
Pontnewynydd, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Pontnewynydd, United Kingdom
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in December
Pontnewynydd, United Kingdom
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in December
Pontnewynydd, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Pontnewynydd, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Pontnewynydd, United Kingdom
- Average daylight in December: 7h and 5min
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 1min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in December
Pontnewynydd, United Kingdom
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in December
Pontnewynydd, United Kingdom
- Average UV index in December: 2
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 January, February, March, November and December (UV index 2).
Average cloud cover in December
Pontnewynydd, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in December
Pontnewynydd, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
