December weather forecastHeponiitty, Finland
December
Weather in December
December, the first month of the winter in Heponiitty, is also a wintry month, with an average temperature ranging between min -2.7°C (27.1°F) and max 0.5°C (32.9°F).Temperature
Heponiitty's progression into December involves a minor drop in the average high-temperature, slightly receding from an icy 3.9°C (39°F) in November to a still wintry 0.5°C (32.9°F). During December's nights, Heponiitty notes a minor temperature decline, reaching an average of -2.7°C (27.1°F).Humidity
In Heponiitty, the average relative humidity in December is 90%.Rainfall
In Heponiitty, during December, the rain falls for 7.8 days and regularly aggregates up to 26mm (1.02") of precipitation. In Heponiitty, during the entire year, the rain falls for 120.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Heponiitty, it is snowing for 10.8 days. Throughout December, 66mm (2.6") of snow is accumulated. In Heponiitty, Finland, during the entire year, snow falls for 53.9 days and aggregates up to 433mm (17.05") of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:59 and sunset at 15:20. On the last day of December, in Heponiitty, sunrise is at 09:26 and sunset at 15:21 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.7h 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. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly 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
Heponiitty, Finland
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in December
Heponiitty, 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
Heponiitty, Finland
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in December
Heponiitty, Finland
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Heponiitty, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in December
Heponiitty, Finland
- Average rainfall days in December: 7.8 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Heponiitty, Finland
- Average snowfall in December: 66mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Heponiitty, Finland
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heponiitty, Finland
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 1h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Heponiitty, Finland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in December
Heponiitty, 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
Heponiitty, Finland
- Average cloud cover in December: 75
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Heponiitty, Finland
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
