December weather forecastHossa, Finland

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Hossa, Finland, with an average temperature fluctuating between -5.5°C (22.1°F) and -9.3°C (15.3°F).

Temperature

As November makes way for December, Hossa's average high-temperature eases from a subzero cold -1.5°C (29.3°F) to a still freezing cold -5.5°C (22.1°F). The month of December shows a minor drop from daytime temperatures, generally recording a low average of -9.3°C (15.3°F).

Humidity

In Hossa, the average relative humidity in December is 96%.

Rainfall

In December, the rain falls for 2.7 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 117.7 rainfall days, and 499mm (19.65") of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 24.8 days and accumulates 297mm (11.69") of snow.

Daylight

The month with the shortest days is December, with an average of 3h and 36min of daylight.
On the first day of the month, sunrise is at 09:40 and sunset at 14:01. On the last day of December, sunrise is at 10:17 and sunset at 13:52 EET.

Sunshine

With an average of 0.6h of sunshine, December has the least sunshine of the year.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

In Hossa, -5.5°C (22.1°F) is the average high-temperature and -9.3°C (15.3°F) is the average low-temperature during December.

In December, the average relative humidity is 96%.

In December, the rain falls for 2.7 days. Throughout December, 39mm (1.54") of precipitation is accumulated.

December is the month with the most snowfall. Snow falls for 24.8 days and accumulates 297mm (11.69") of snow.

In Hossa, in December, snow falls for 24.8 days, with typically accumulated 297mm (11.69") of snow.

The month with the shortest days is December, with an average of 3h and 36min of daylight.

In December, the average day length is 3h and 36min.

On the first day of December in Hossa, sunrise is at 09:40 and sunset at 14:01. On the last day of the month, sunrise is at 10:17 and sunset at 13:52 EET.

With an average of 0.6h of sunshine, December has the least sunshine of the year.

In Hossa, Finland, the average sunshine duration in December is 0.6h.

The months with the lowest UV index in Hossa are January through April, October through December, with an average maximum UV index of 1.

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hossa, Finland

  • Average high temperature in December: -5.5°C

The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (-8.3°C).

  • Average low temperature in December: -9.3°C

The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (-13.6°C).

Average pressure in December
Hossa, Finland

  • Average pressure in December: 1006.2mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.2mbar).

Average wind speed in December
Hossa, Finland

  • Average wind speed in December: 12.7km/h

The windiest month (with the highest average wind speed) is November (12.9km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).

Average humidity in December
Hossa, Finland

  • Average humidity in December: 96%

The month with the highest relative humidity is January (97%).
The month with the lowest relative humidity is June (69%).

Average rainfall in December
Hossa, Finland

  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in December
Hossa, Finland

  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in December
Hossa, Finland

  • Average snowfall in December: 297mm

The month with the highest snowfall is December (297mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Hossa, Finland

  • Average snowfall days in December: 24.8 days

The month with the highest number of snowfall days is December (24.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Hossa, Finland

  • Average daylight in December: 3h and 36min

The month with the longest days is June (Average daylight: 22h and 12min).
The month with the shortest days is December (Average daylight: 3h and 36min).

  • Average sunshine in December: 0h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).

Average sunshine days in December
Hossa, Finland

  • Average sunshine days in December: 6 days

The month with the most sunshine days is October (11.9 days).
The month with the least sunshine days is December (6 days).

Average UV index in December
Hossa, Finland

  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in December
Hossa, Finland

  • Average cloud cover in December: 84

The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 50).

Average visibility in December
Hossa, Finland

  • Average visibility in December: 5km

The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).