December weather forecast
Treboje, Bosnia and Herzegovina

December

Weather in December

December, the first month of the winter in Treboje, is also an icy month, with an average temperature fluctuating between 4.2°C (39.6°F) and -2.5°C (27.5°F).

Temperature

Treboje observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 10.1°C (50.2°F) to a wintry 4.2°C (39.6°F). Throughout the nights in December, Treboje experiences an average low-temperature of -2.5°C (27.5°F).

Humidity

The average relative humidity in December in Treboje is 85%.

Rainfall

In Treboje, in December, during 15.9 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Treboje, during the entire year, the rain falls for 190.9 days and collects up to 1058mm (41.65") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Treboje. In Treboje, during December, snow falls for 6 days and regularly aggregates up to 146mm (5.75") of snow. Throughout the year, in Treboje, there are 27 snowfall days, and 527mm (20.75") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 07:02 and sunset at 16:12. On the last day of the month, sunrise is at 07:22 and sunset at 16:21 CET.

Sunshine

The average sunshine in December in Treboje is 5.3h.

UV index

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

Is December cold in Treboje?
The high-temperature, in December, in Treboje, records 4.2°C (39.6°F), while the low-temperature is -2.5°C (27.5°F).
What is the average humidity in December in Treboje?
The average relative humidity in December is 85%.
How many days does it rain in December in Treboje?
In Treboje, Bosnia and Herzegovina, during December, the rain falls for 15.9 days and regularly aggregates up to 112mm (4.41") of precipitation.
How much does it snow in Treboje in December?
In Treboje, during December, snow falls for 6 days and regularly aggregates up to 146mm (5.75") of snow.
What is the month with the shortest days in Treboje?
December has the shortest days of the year in Treboje, Bosnia and Herzegovina, with an average of 9h and 0min of daylight.
How many hours of daylight does Treboje have in December?
The average day length in December in Treboje is 8h and 59min.
When are sunrise and sunset in December in Treboje?
On the first day of December in Treboje, sunrise is at 07:02 and sunset at 16:12. On the last day of the month, sunrise is at 07:22 and sunset at 16:21 CET.
How many hours of sunshine does Treboje have in December?
In Treboje, Bosnia and Herzegovina, the average sunshine duration in December is 5.3h.
How high is the UV index in December in Treboje?
In December, the average daily maximum UV index in Treboje, Bosnia and Herzegovina, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Treboje, Bosnia and Herzegovina
  • Average high temperature in December: 4.2°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in December: -2.5°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in December
Treboje, Bosnia and Herzegovina
  • Average pressure in December: 1019.9mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The months with the lowest atmospheric pressure are May and July (1014.5mbar).

Average wind speed in December
Treboje, Bosnia and Herzegovina
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).

Average humidity in December
Treboje, Bosnia and Herzegovina
  • Average humidity in December: 85%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Treboje, Bosnia and Herzegovina
  • Average rainfall in December: 112mm

The wettest month (with the highest rainfall) is November (149mm).
The driest month (with the least rainfall) is August (40mm).

Average rainfall days in December
Treboje, Bosnia and Herzegovina
  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is August (12.1 days).

Average snowfall in December
Treboje, Bosnia and Herzegovina
  • Average snowfall in December: 146mm

The month with the highest snowfall is January (152mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Treboje, Bosnia and Herzegovina
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Treboje, Bosnia and Herzegovina
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Treboje, Bosnia and Herzegovina
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is May (7.2 days).

Average UV index in December
Treboje, Bosnia and Herzegovina
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Treboje, Bosnia and Herzegovina
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Treboje, Bosnia and Herzegovina
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and February (7km).

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