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
December experiences an average high-temperature of a still frosty 6.6°C (43.9°F), barely different from November's 9.3°C (48.7°F). Riby's nighttime temperatures in December settle close to daytime highs at an average of 3°C (37.4°F).Humidity
The most humid month in Riby is December, with an average relative humidity of 89%.Rainfall
In Riby, United Kingdom, in December, during 9.4 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Riby, during the entire year, the rain falls for 109.1 days and collects up to 154mm (6.06") of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 1.7 days and typically aggregates up to 8mm (0.31") of snow.Daylight
The month with the shortest days in Riby is December, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 7:54 am and sunset at 3:45 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 3:51 pm GMT.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Riby. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Riby in December?
What is the most humid month in Riby?
What is the average humidity in December in Riby?
How much does it rain in Riby in December?
When does it snow the most in Riby?
How many days does it snow in December in Riby?
What is the month with the shortest days in Riby?
How many hours of daylight does Riby have in December?
When are sunrise and sunset in December in Riby?
How long on average sun shines in December in Riby?
What are the months with the lowest UV index in Riby?
What is the UV index intensity in December in Riby?
Average temperature in December
Riby, United Kingdom
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is August (20°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in December
Riby, United Kingdom
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in December
Riby, United Kingdom
- Average wind speed in December: 19.7km/h
The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in December
Riby, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Riby, United Kingdom
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is June (20mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in December
Riby, United Kingdom
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Riby, 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
Riby, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.1 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
Riby, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Riby, United Kingdom
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is September (20 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Riby, 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
Riby, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in December
Riby, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).
Riby, United Kingdom
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