December weather forecastThatcham, United Kingdom
December
Weather in December
December, the first month of the winter in Thatcham, is still a chilly month, with an average temperature fluctuating between 3.1°C (37.6°F) and 7.5°C (45.5°F).Temperature
December's weather records an average high-temperature of a still chilly 7.5°C (45.5°F), showing little deviation from November. Thatcham, in the month of December, notes an average low temperature of 3.1°C (37.6°F), indicating a small decrease from the daytime highs.Humidity
With an average relative humidity of 91%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 12.4 days and typically aggregates up to 31mm (1.22") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Thatcham, in December, snow falls for 1.2 days, with typically accumulated 5mm (0.2") of snow. In Thatcham, during the entire year, snow falls for 7 days and aggregates up to 26mm (1.02") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December in Thatcham, sunrise is at 7:48 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:06 pm GMT.
Sunshine
In Thatcham, the average sunshine in December is 4h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thatcham, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Thatcham, United Kingdom
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Thatcham, United Kingdom
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in December
Thatcham, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in December
Thatcham, United Kingdom
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is December (31mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in December
Thatcham, United Kingdom
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in December
Thatcham, United Kingdom
- Average snowfall in December: 5mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Thatcham, United Kingdom
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.3 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
Thatcham, United Kingdom
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Thatcham, United Kingdom
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in December
Thatcham, 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
Thatcham, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in December
Thatcham, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).





