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 begins with an average high-temperature of a still chilly 7.2°C (45°F), reflecting close similarity to the preceding month. A consistent nighttime average temperature of 3.3°C (37.9°F) is maintained in Harlow during December.Humidity
With an average relative humidity of 90%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 43mm (1.69") of precipitation.Snowfall
January through March, November and December are months with snowfall in Harlow. In Harlow, during December, snow falls for 2.1 days and regularly aggregates up to 18mm (0.71") of snow. In Harlow, during the entire year, snow falls for 11.6 days and aggregates up to 77mm (3.03") of snow.Daylight
The month with the shortest days in Harlow is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 3:52 pm. On the last day of December, sunrise is at 8:06 am and sunset at 3:59 pm GMT.
Sunshine
The average sunshine in December in Harlow is 4.3h.UV index
The months with the lowest UV index in Harlow are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Stay sun-safe with clothing that is both closely woven and worn loosely. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the average December temperature in Harlow?
What is the most humid month in Harlow?
What is the average humidity in December in Harlow?
What is the wettest month in Harlow?
How much does it rain in Harlow in December?
How much does it snow in Harlow in December?
What is the month with the shortest days in Harlow?
What is the average length of the day in December in Harlow?
When is the sunrise / sunset in December in Harlow?
How long on average sun shines in December in Harlow?
What are the months with the lowest UV index in Harlow?
What is the UV index reading in December in Harlow?
Average temperature in December
Harlow, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Harlow, United Kingdom
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Harlow, United Kingdom
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Harlow, United Kingdom
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Harlow, United Kingdom
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Harlow, United Kingdom
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in December
Harlow, United Kingdom
- Average snowfall in December: 18mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Harlow, United Kingdom
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (4.4 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
Harlow, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Harlow, United Kingdom
- Average sunshine days in December: 15 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Harlow, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and 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
Harlow, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 47).
Average visibility in December
Harlow, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Harlow, United Kingdom
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