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 sea temperature 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
Lyme Regis's shift into December sets the average high-temperature at a frosty 9.3°C (48.7°F), a figure that deviates only slightly from November's 10.9°C (51.6°F). Lyme Regis reports an average low temperature of 6.2°C (43.2°F) in December, a minor decrease from the day's highs.Humidity
The months with the highest humidity in Lyme Regis are January and December, with an average relative humidity of 85%.Rainfall
In Lyme Regis, during December, the rain falls for 16.1 days and regularly aggregates up to 64mm (2.52") of precipitation. In Lyme Regis, during the entire year, the rain falls for 180.4 days and collects up to 520mm (20.47") of precipitation.Snowfall
January through March and December are months with snowfall in Lyme Regis. December is the first month it typically snows in Lyme Regis. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Lyme Regis, during the entire year, snow falls for 3.3 days and aggregates up to 13mm (0.51") of snow.Sea temperature
In Lyme Regis, in December, the average water temperature is 11.9°C (53.4°F).Note: Beware of 11.9°C (53.4°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
December has the shortest days of the year in Lyme Regis, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 4:09 pm. On the last day of December, sunrise is at 8:13 am and sunset at 4:16 pm GMT.
Sunshine
In December, the average sunshine is 4.3h.UV index
The months with the lowest UV index in Lyme Regis are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Lyme Regis?
What are the most humid months in Lyme Regis?
What is the average humidity in December in Lyme Regis?
How much does it rain in Lyme Regis in December?
When does it start snowing in Lyme Regis?
How cold is the water in December in Lyme Regis?
What is the month with the shortest days in Lyme Regis?
What is the average length of the day in December in Lyme Regis?
When is the sunrise / sunset in December in Lyme Regis?
How long on average sun shines in December in Lyme Regis?
When is the lowest UV index in Lyme Regis?
What is the UV index intensity in December in Lyme Regis?
Average temperature in December
Lyme Regis, United Kingdom
- Average high temperature in December: 9.3°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is February (8.2°C).
- Average low temperature in December: 6.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.5°C).
Average pressure in December
Lyme Regis, United Kingdom
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Lyme Regis, United Kingdom
- Average wind speed in December: 24.4km/h
The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in December
Lyme Regis, United Kingdom
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Lyme Regis, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in December
Lyme Regis, United Kingdom
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in December
Lyme Regis, United Kingdom
- Average snowfall in December: 1mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Lyme Regis, United Kingdom
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Lyme Regis, United Kingdom
- Average sea temperature in December: 11.9°C
The best month for swimming (with the highest average sea temperature) is September (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.9°C).
Average daylight in December /
Average sunshine in December
Lyme Regis, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 6min).
Average sunshine days in December
Lyme Regis, United Kingdom
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in December
Lyme Regis, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lyme Regis, United Kingdom
- Average cloud cover in December: 57
The months with the most cloud cover are January, November and December (Cloud cover 57).
The months with the least cloud cover are April and July (Cloud cover 43).
Average visibility in December
Lyme Regis, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are January, May and October (9km).
