December weather forecastHelpston, United Kingdom
December
Weather in December
December, the first month of the winter in Helpston, is also a frosty month, with temperature in the range of an average low of 2.9°C (37.2°F) and an average high of 7°C (44.6°F).Temperature
Helpston's December showcases an average high-temperature of a still chilly 7°C (44.6°F), hardly distinct from November's 9.5°C (49.1°F). December nights cool to an average low-temperature of 2.9°C (37.2°F), a marginal decrease from its daytime equivalent.Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Helpston.Rainfall
In Helpston, United Kingdom, in December, it is raining for 12 days, with typically 23mm (0.91") of accumulated precipitation. In Helpston, during the entire year, the rain falls for 141.4 days and collects up to 238mm (9.37") of precipitation.Snowfall
Months with snowfall in Helpston, United Kingdom, are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 11mm (0.43") of snow. In Helpston, during the entire year, snow falls for 8.1 days and aggregates up to 41mm (1.61") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 7:50 am and sunset at 3:50 pm. On the last day of December, in Helpston, sunrise is at 8:12 am and sunset at 3:56 pm GMT.
Sunshine
In December, the average sunshine 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. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Helpston, United Kingdom
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Helpston, United Kingdom
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Helpston, United Kingdom
- Average wind speed in December: 18.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Helpston, United Kingdom
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Helpston, United Kingdom
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is June (32mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Helpston, United Kingdom
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in December
Helpston, United Kingdom
- Average snowfall in December: 11mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Helpston, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.9 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
Helpston, United Kingdom
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Helpston, United Kingdom
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Helpston, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Helpston, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 49).
Average visibility in December
Helpston, 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).





