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 is marked with an average high-temperature of a still chilly 7.4°C (45.3°F), showing an insignificant shift from November's 9.2°C (48.6°F). Heysham upholds a consistent average temperature of 4.1°C (39.4°F) throughout the nights of December.Humidity
In December, the average relative humidity in Heysham is 86%.Rainfall
December is the month with the most rainfall in Heysham. Rain falls for 22.9 days and accumulates 113mm (4.45") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.6 snowfall days, it receives 18mm (0.71") of snow. Throughout the year, there are 8.3 snowfall days, and 68mm (2.68") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Heysham.On the first day of the month, sunrise is at 8:08 am and sunset at 3:53 pm. On the last day of December, in Heysham, sunrise is at 8:30 am and sunset at 3:58 pm GMT.
Sunshine
The month with the least sunshine in Heysham is December, with an average of 3.4h of sunshine.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heysham in December?
What is the average humidity in December in Heysham?
What is the wettest month in Heysham?
How much does it rain in Heysham in December?
When does it start snowing in Heysham?
What is the month with the shortest days in Heysham?
What is the average length of the day in December in Heysham?
When are sunrise and sunset in December in Heysham?
What is the month with the least sunshine in Heysham?
How long on average sun shines in December in Heysham?
What is the month with the lowest UV index in Heysham?
How high is the UV index in December in Heysham?
Average temperature in December
Heysham, United Kingdom
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 4.1°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Heysham, United Kingdom
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in December
Heysham, United Kingdom
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in December
Heysham, United Kingdom
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Heysham, United Kingdom
- Average rainfall in December: 113mm
The wettest month (with the highest rainfall) is December (113mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in December
Heysham, United Kingdom
- Average rainfall days in December: 22.9 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is April (15.9 days).
Average snowfall in December
Heysham, United Kingdom
- Average snowfall in December: 18mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Heysham, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.9 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
Heysham, United Kingdom
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is April (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Heysham, United Kingdom
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (4.9 days).
Average UV index in December
Heysham, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Heysham, United Kingdom
- Average cloud cover in December: 65
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in December
Heysham, 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).
