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
The transition into December notes an average high-temperature of a chilly 8.7°C (47.7°F), revealing a mild distinction from the 11°C (51.8°F) in November. Romsey reports an average low-temperature of 4.8°C (40.6°F) during the subtly cooler December nights.Humidity
The months with the highest humidity in Romsey are January and December, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall. Rain falls for 16.7 days and accumulates 61mm (2.4") of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall in Romsey is December, when snow falls for 1.1 days and typically aggregates up to 8mm (0.31") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:47 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:09 pm GMT.
Sunshine
In Romsey, United Kingdom, the average sunshine in December is 4.3h.UV index
In December, the average daily maximum UV index in Romsey is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Romsey in December?
What is the most humid month in Romsey?
What is the average humidity in December in Romsey?
What is the rainiest month in Romsey?
How much does it rain in Romsey in December?
When does it snow the most in Romsey?
How many days does it snow in December in Romsey?
What is the month with the shortest days in Romsey?
What is the average length of the day in December in Romsey?
When is the sunrise / sunset in December in Romsey?
How many hours of sunshine does Romsey have in December?
What is the UV index reading in December in Romsey?
Average temperature in December
Romsey, United Kingdom
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in December: 4.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in December
Romsey, United Kingdom
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in December
Romsey, United Kingdom
- Average wind speed in December: 19.2km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in December
Romsey, United Kingdom
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Romsey, United Kingdom
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Romsey, United Kingdom
- Average rainfall days in December: 16.7 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in December
Romsey, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Romsey, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (1.5 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
Romsey, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Romsey, United Kingdom
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in December
Romsey, United Kingdom
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Romsey, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in December
Romsey, 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).
