December weather forecast
Gornja Trnova, Bosnia and Herzegovina

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Weather in December

The first month of the winter, December, is still a chilly month in Gornja Trnova, Bosnia and Herzegovina, with an average temperature varying between -0.5°C (31.1°F) and 6°C (42.8°F).

Temperature

Gornja Trnova's December weather features a mild decline in high-temperatures, reducing from a cool 12.8°C (55°F) in November to a chilly 6°C (42.8°F). December generally records an average low-temperature of -0.5°C (31.1°F).

Humidity

In Gornja Trnova, Bosnia and Herzegovina, the average relative humidity in December is 81%.

Rainfall

In Gornja Trnova, Bosnia and Herzegovina, during December, the rain falls for 10.2 days and regularly aggregates up to 44mm (1.73") of precipitation. In Gornja Trnova, during the entire year, the rain falls for 149.7 days and collects up to 576mm (22.68") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Gornja Trnova, it is snowing for 6.3 days. Throughout December, 127mm (5") of snow is accumulated. In Gornja Trnova, during the entire year, snow falls for 28.2 days and aggregates up to 538mm (21.18") of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:00 and sunset at 16:04. On the last day of the month, sunrise is at 07:20 and sunset at 16:13 CET.

Sunshine

In Gornja Trnova, the average sunshine in December is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gornja Trnova. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

Is December cold in Gornja Trnova?

In December, the average high-temperature and low-temperature in Gornja Trnova, Bosnia and Herzegovina, are 6°C (42.8°F) and -0.5°C (31.1°F) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 32°C (89.6°F).

What is the average humidity in December in Gornja Trnova?

The average relative humidity in December in Gornja Trnova, Bosnia and Herzegovina, is 81%.

How much does it rain in Gornja Trnova in December?

In December, in Gornja Trnova, Bosnia and Herzegovina, the rain falls for 10.2 days. Throughout December, 44mm (1.73") of precipitation is accumulated.

How much does it snow in Gornja Trnova in December?

In Gornja Trnova, in December, snow falls for 6.3 days, with typically accumulated 127mm (5") of snow.

What is the month with the shortest days in Gornja Trnova?

December has the shortest days of the year in Gornja Trnova, Bosnia and Herzegovina, with an average of 8h and 54min of daylight.

How many hours of daylight does Gornja Trnova have in December?

The average day length in December in Gornja Trnova is 8h and 53min.

When is the sunrise / sunset in December in Gornja Trnova?

In December, on the first day of the month, sunrise is at 07:00 and sunset at 16:04. On the last day of the month, in Gornja Trnova, Bosnia and Herzegovina, sunrise is at 07:20 and sunset at 16:13 CET.

How many hours of sunshine does Gornja Trnova have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index in Gornja Trnova?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gornja Trnova.

What is the UV index intensity in December in Gornja Trnova?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gornja Trnova, Bosnia and Herzegovina

Average temperature in December - Gornja Trnova, Bosnia and Herzegovina
  • Average high temperature in December: 6°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

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Average pressure in December
Gornja Trnova, Bosnia and Herzegovina

Average pressure in December - Gornja Trnova, Bosnia and Herzegovina
  • Average pressure in December: 1021.1mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is May (1014.5mbar).

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Average wind speed in December
Gornja Trnova, Bosnia and Herzegovina

Average wind speed in December - Gornja Trnova, Bosnia and Herzegovina
  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is March (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).

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Average humidity in December
Gornja Trnova, Bosnia and Herzegovina

Average humidity in December - Gornja Trnova, Bosnia and Herzegovina
  • Average humidity in December: 81%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in December
Gornja Trnova, Bosnia and Herzegovina

Average rainfall in December - Gornja Trnova, Bosnia and Herzegovina
  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is May (88mm).
The driest month (with the least rainfall) is September (28mm).

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Average rainfall days in December
Gornja Trnova, Bosnia and Herzegovina

Average rainfall days in December - Gornja Trnova, Bosnia and Herzegovina
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in December
Gornja Trnova, Bosnia and Herzegovina

Average snowfall in December - Gornja Trnova, Bosnia and Herzegovina
  • Average snowfall in December: 127mm

The month with the highest snowfall is January (172mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Gornja Trnova, Bosnia and Herzegovina

Average snowfall days in December - Gornja Trnova, Bosnia and Herzegovina
  • Average snowfall days in December: 6.3 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Gornja Trnova, Bosnia and Herzegovina

Average daylight in December / Average sunshine in December - Gornja Trnova, Bosnia and Herzegovina
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in December
Gornja Trnova, Bosnia and Herzegovina

Average sunshine days in December - Gornja Trnova, Bosnia and Herzegovina
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in December
Gornja Trnova, Bosnia and Herzegovina

Average UV index in December - Gornja Trnova, Bosnia and Herzegovina
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Gornja Trnova, Bosnia and Herzegovina

Average cloud cover in December - Gornja Trnova, Bosnia and Herzegovina
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Gornja Trnova, Bosnia and Herzegovina

Average visibility in December - Gornja Trnova, Bosnia and Herzegovina
  • Average visibility in December: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).

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Gornja Trnova, Bosnia and Herzegovina

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