December weather forecastSlonim, Belarus
December
Weather in December
Culminating the year, December brings authentic winter conditions back to Slonim. The continual decline in temperatures hits a low point close to January's freezing level. Snowfall covers the city, and it's no longer a rare occurrence. With daylight hours slashed to the minimal, the landscape falls under the control of winter. Despite the high humidity, the frequent rainfall from previous months begins to transition exclusively to winter snow.Temperature
The onset of December results in a small decrease in the average high-temperature, moderately receding from an icy 5.4°C (41.7°F) in November to a still cold 0.5°C (32.9°F). A consistent average low of -2.7°C (27.1°F) is noted throughout December, only a small step down from its daytime high.Humidity
The average relative humidity in December is 91%.Rainfall
In Slonim, in December, during 9.6 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 136.7 rainfall days, and 402mm (15.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Slonim, in December, during 15.2 snowfall days, 150mm (5.91") of snow is typically accumulated. Throughout the year, there are 68.5 snowfall days, and 541mm (21.3") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 09:10 and sunset at 17:05. On the last day of December, in Slonim, sunrise is at 09:32 and sunset at 17:11 +03.
Sunshine
In Slonim, the average sunshine in December is 1.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Slonim, Belarus
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -2.7°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 (-5.8°C).
Average pressure in December
Slonim, Belarus
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in December
Slonim, Belarus
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Slonim, Belarus
- Average humidity in December: 91%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Slonim, Belarus
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Slonim, Belarus
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Slonim, Belarus
- Average snowfall in December: 150mm
The month with the highest snowfall is January (165mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Slonim, Belarus
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (19 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
Slonim, Belarus
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 1h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in December
Slonim, Belarus
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Slonim, Belarus
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Slonim, Belarus
- Average cloud cover in December: 77
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Slonim, Belarus
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).
