December weather forecastLviv, Ukraine
December
Weather in December
December brings the full force of the winter season to Lviv. The weather undergoes a stark transition from November, and a sharp decrease in temperature to 1.8°C (35.2°F) signals the arrival of the bitter cold. Daylight hours reach their lowest point, clouding the city under the winter spell. The increased frequency of snowfall heralds a white Christmas season. As Lviv swaddles itself in thick winter clothes, an intriguing aura of bustling holiday celebrations amidst bone-chilling weather fills the town.Temperature
A shift in the average high-temperature occurs in December in Lviv, reducing from a frosty 7.6°C (45.7°F) in November to a cold 1.8°C (35.2°F). December records a small disparity from daytime temperatures, marking an average low-temperature of -2.6°C (27.3°F) in Lviv.Humidity
In December, the average relative humidity is 88%.Rainfall
In Lviv, in December, during 9.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Lviv, during the entire year, the rain falls for 160.6 days and collects up to 495mm (19.49") of precipitation.Snowfall
January through April, October through December are months with snowfall in Lviv. In December, it is snowing for 12.5 days. Throughout December, 131mm (5.16") of snow is accumulated. Throughout the year, in Lviv, there are 56.7 snowfall days, and 492mm (19.37") of snow is accumulated.Daylight
The month with the shortest days in Lviv is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:00 and sunset at 16:25. On the last day of December, sunrise is at 08:21 and sunset at 16:32 EET.
Sunshine
In Lviv, Ukraine, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lviv, Ukraine
- Average high temperature in December: 1.8°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Lviv, Ukraine
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is October (1019.4mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Lviv, Ukraine
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in December
Lviv, Ukraine
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Lviv, Ukraine
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (22mm).
Average rainfall days in December
Lviv, Ukraine
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is June (20.7 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Lviv, Ukraine
- Average snowfall in December: 131mm
The month with the highest snowfall is January (134mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Lviv, Ukraine
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lviv, Ukraine
- 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 August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Lviv, Ukraine
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (7.4 days).
Average UV index in December
Lviv, Ukraine
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lviv, Ukraine
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Lviv, Ukraine
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





