December weather forecastAltlay, Germany
December
Weather in December
December, the first month of the winter in Altlay, is also an icy month, with temperature in the range of an average high of 4.6°C (40.3°F) and an average low of 0.3°C (32.5°F).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a frosty 7.8°C (46°F) in November to a wintry 4.6°C (40.3°F). Altlay's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to 0.3°C (32.5°F).Humidity
The months with the highest humidity in Altlay are January and December, with an average relative humidity of 90%.Rainfall
In Altlay, in December, it is raining for 7.6 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, in Altlay, there are 75.3 rainfall days, and 108mm (4.25") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The months with the most snowfall in Altlay are February and December, with an average 12mm (0.47") of accumulated snow.Daylight
The month with the shortest days in Altlay is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:08 and sunset at 16:32. On the last day of December, in Altlay, sunrise is at 08:29 and sunset at 16:39 CET.
Sunshine
The month with the least sunshine in Altlay 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altlay, Germany
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Altlay, Germany
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Altlay, Germany
- Average wind speed in December: 12.7km/h
The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Altlay, Germany
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Altlay, Germany
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is August (13mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in December
Altlay, Germany
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Altlay, Germany
- Average snowfall in December: 12mm
The months with the highest snowfall are February and December (12mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Altlay, Germany
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altlay, Germany
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Altlay, Germany
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is December (19.5 days).
Average UV index in December
Altlay, Germany
- 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
Altlay, Germany
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Altlay, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, November and December (7km).
