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
Waltham Cross marks the onset of December with an average high-temperature of a frosty 7.2°C (45°F), subtly divergent from November's 10°C (50°F). Waltham Cross's nocturnal average in December closely mirrors its daytime temperatures, settling at an icy 3°C (37.4°F).Humidity
December is the most humid month in Waltham Cross, with an average relative humidity of 90%.Rainfall
The month with the most rainfall in Waltham Cross is December, when the rain falls for 13.6 days and typically aggregates up to 39mm (1.54") of precipitation.Snowfall
Months with snowfall in Waltham Cross are January through April, November and December. In Waltham Cross, in December, during 2.2 snowfall days, 16mm (0.63") of snow is typically accumulated. In Waltham Cross, United Kingdom, during the entire year, snow falls for 9.7 days and aggregates up to 59mm (2.32") of snow.Daylight
December has the shortest days of the year in Waltham Cross, with an average of 7h and 54min of daylight.On the first day of December in Waltham Cross, sunrise is at 7:44 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:00 pm GMT.
Sunshine
In Waltham Cross, the average sunshine in December is 4.3h.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 low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waltham Cross in December?
What is the most humid month in Waltham Cross?
What is the average humidity in December in Waltham Cross?
What is the rainiest month in Waltham Cross?
How much does it rain in Waltham Cross in December?
How many days does it snow in December in Waltham Cross?
What is the month with the shortest days in Waltham Cross?
How many hours of daylight does Waltham Cross have in December?
When are sunrise and sunset in December in Waltham Cross?
How long on average sun shines in December in Waltham Cross?
When is the lowest UV index in Waltham Cross?
What is the UV index reading in December in Waltham Cross?
Average temperature in December
Waltham Cross, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Waltham Cross, United Kingdom
- Average pressure in December: 1014.3mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in December
Waltham Cross, United Kingdom
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Waltham Cross, 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
Waltham Cross, United Kingdom
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Waltham Cross, United Kingdom
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Waltham Cross, United Kingdom
- Average snowfall in December: 16mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Waltham Cross, United Kingdom
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are January and February (3 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
Waltham Cross, 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Waltham Cross, United Kingdom
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Waltham Cross, 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
Waltham Cross, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 49).
Average visibility in December
Waltham Cross, 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).
