December weather forecastVikkulla, Finland
December
Weather in December
The first month of the winter, December, is also a wintry month in Vikkulla, Finland, with an average temperature varying between -1.8°C (28.8°F) and 0.8°C (33.4°F).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from 4.5°C (40.1°F) in November to a still wintry 0.8°C (33.4°F). Vikkulla sustains an average of approximately a subzero cold -1.8°C (28.8°F) during December nights, with little variation from daytime highs.Humidity
In Vikkulla, the average relative humidity in December is 88%.Rainfall
In Vikkulla, in December, during 12.1 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Vikkulla, there are 144.4 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
Months with snowfall in Vikkulla are January through May, October through December. In Vikkulla, during December, snow falls for 15.5 days and regularly aggregates up to 129mm (5.08") of snow. Throughout the year, in Vikkulla, there are 84.6 snowfall days, and 688mm (27.09") of snow is accumulated.Daylight
The month with the shortest days in Vikkulla, Finland, is December, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:56 and sunset at 15:20. On the last day of December, sunrise is at 09:23 and sunset at 15:21 EET.
Sunshine
The month with the least sunshine in Vikkulla is December, with an average of 1.8h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Vikkulla. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vikkulla, Finland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is July (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in December
Vikkulla, Finland
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Vikkulla, Finland
- Average wind speed in December: 21.1km/h
The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity in December
Vikkulla, Finland
- Average humidity in December: 88%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Vikkulla, Finland
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Vikkulla, Finland
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Vikkulla, Finland
- Average snowfall in December: 129mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Vikkulla, Finland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vikkulla, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 1h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Vikkulla, Finland
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is May (17 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in December
Vikkulla, Finland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Vikkulla, Finland
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Vikkulla, Finland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





