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 initiation of December sees an average high-temperature of a still chilly 6.1°C (43°F), showing minor variations from the previous month. December nights witness a mild cool down to an average low of 2.3°C (36.1°F).Humidity
The months with the highest humidity in Romiley are January and December, with an average relative humidity of 90%.Rainfall
In December, in Romiley, United Kingdom, the rain falls for 18.4 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Romiley, during the entire year, the rain falls for 211.9 days and collects up to 553mm (21.77") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, in Romiley, it is snowing for 1.5 days. Throughout December, 18mm (0.71") of snow is accumulated. Throughout the year, in Romiley, United Kingdom, there are 11.4 snowfall days, and 102mm (4.02") of snow is accumulated.Daylight
December has the shortest days of the year in Romiley, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:01 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 3:59 pm GMT.
Sunshine
The average sunshine in December is 3.6h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold does it get in Romiley in December?
What is the most humid month in Romiley?
What is the average humidity in December in Romiley?
How much does it rain in Romiley in December?
How much does it snow in Romiley in December?
What is the month with the shortest days in Romiley?
What is the average length of the day in December in Romiley?
When is the sunrise / sunset in December in Romiley?
How many hours of sunshine does Romiley have in December?
What are the months with the lowest UV index in Romiley?
How high is the UV index in December in Romiley?
Average temperature in December
Romiley, United Kingdom
- Average high temperature in December: 6.1°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 (5.3°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Romiley, United Kingdom
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in December
Romiley, United Kingdom
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest months (with the lowest average wind speed) are June and July (12.6km/h).
Average humidity in December
Romiley, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall in December
Romiley, United Kingdom
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Romiley, United Kingdom
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in December
Romiley, United Kingdom
- Average snowfall in December: 18mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Romiley, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Romiley, United Kingdom
- 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 4min
The month with the most sunshine is April (Average sunshine: 6h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Romiley, United Kingdom
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is March (12.2 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in December
Romiley, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July 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
Romiley, United Kingdom
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in December
Romiley, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March, April and May (9km).
The months with the lowest visibility are January, June, July, August, September, October, November and December (8km).
Romiley, United Kingdom
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