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
Weather in December
Temperature
The onset of December brings with it an average high-temperature of a chilly 8.1°C (46.6°F), showing a negligible variation from the month before. Throughout December, Nantgarw records a steady low-temperature average of 4.5°C (40.1°F), a minor decrease from its daytime counterpart.Humidity
The months with the highest humidity in Nantgarw are January, November and December, with an average relative humidity of 87%.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 47mm (1.85") of precipitation is accumulated. Throughout the year, in Nantgarw, there are 155.7 rainfall days, and 409mm (16.1") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Nantgarw, during December, snow falls for 0.7 days and regularly aggregates up to 3mm (0.12") of snow. Throughout the year, there are 5.5 snowfall days, and 27mm (1.06") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December in Nantgarw, sunrise is at 7:57 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:13 pm GMT.
Sunshine
In December, the average sunshine is 4.1h.UV index
January through March, 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 exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the temperatures in Nantgarw in December?
What is the most humid month in Nantgarw?
What is the average humidity in December in Nantgarw?
How many days does it rain in December in Nantgarw?
How much does it snow in Nantgarw in December?
What is the month with the shortest days in Nantgarw?
What is the average length of the day in December in Nantgarw?
What time are sunrise and sunset in December in Nantgarw?
How many hours of sunshine does Nantgarw have in December?
What is the month with the lowest UV index in Nantgarw?
What is the UV index intensity in December in Nantgarw?
Average temperature in December
Nantgarw, United Kingdom
- Average high temperature in December: 8.1°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in December: 4.5°C
The months with the highest average low temperature are July and August (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in December
Nantgarw, United Kingdom
- Average pressure in December: 1013.9mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in December
Nantgarw, United Kingdom
- Average wind speed in December: 21.1km/h
The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest months (with the lowest average wind speed) are June and July (14.6km/h).
Average humidity in December
Nantgarw, United Kingdom
- Average humidity in December: 87%
The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Nantgarw, United Kingdom
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Nantgarw, United Kingdom
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Nantgarw, United Kingdom
- Average snowfall in December: 3mm
The months with the highest snowfall are January and February (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Nantgarw, United Kingdom
- Average snowfall days in December: 0.7 days
The months with the highest number of snowfall days are January and February (2 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
Nantgarw, 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 months with the most sunshine are April, May and July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in December
Nantgarw, United Kingdom
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Nantgarw, 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
Nantgarw, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in December
Nantgarw, 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).
Nantgarw, United Kingdom
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