December weather forecast and climate
Slap, Bosnia and Herzegovina

Weather in December

December, the first month of the winter, in Slap, is also a wintry month, with average temperature varying between -2.8°C (27°F) and 3.7°C (38.7°F).

Temperature

In December, the average high-temperature decreases, from a fresh 10.8°C (51.4°F) in November, to a cold 3.7°C (38.7°F). The average low-temperature, is -2.8°C (27°F).

Humidity

In Slap, the average relative humidity in December is 85%.

Rainfall

In Slap, during December, the rain falls for 9.5 days and regularly aggregates up to 58mm (2.28") of precipitation. In Slap, during the entire year, the rain falls for 158.7 days and collects up to 707mm (27.83") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Slap, Bosnia and Herzegovina, in December, snow falls for 14.7 days, with typically accumulated 370mm (14.57") of snow. In Slap, during the entire year, snow falls for 75.4 days, and aggregates up to 1754mm (69.06") of snow.

Daylight

December has the shortest days of the year, with an average of 9h of daylight.

Sunshine

In December, the average sunshine in Slap, Bosnia and Herzegovina, is 4.7h.

UV index

Months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Slap?

In Slap, Bosnia and Herzegovina, in December, the average high-temperature is 3.7°C (38.7°F), and the average low-temperature is -2.8°C (27°F).

What is the average humidity in December in Slap?

In Slap, the average relative humidity in December is 85%.

How many days does it rain in December in Slap?

In Slap, Bosnia and Herzegovina, in December, during 9.5 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

How much does it snow in Slap in December?

In Slap, Bosnia and Herzegovina, during December, snow falls for 14.7 days and regularly aggregates up to 370mm (14.57") of snow.

What is the month with the shortest days in Slap?

December has the shortest days of the year, with an average of 9h of daylight.

How many hours of daylight does Slap have in December?

In Slap, the average length of the day in December is 9h.

How many hours of sunshine does Slap have in December?

The average sunshine in December in Slap is 4.7h.

What is the month with the lowest UV index in Slap?

Months with the lowest UV index in Slap, Bosnia and Herzegovina, are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Slap?

In Slap, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Slap, Bosnia and Herzegovina

Average temperature in December - Slap, Bosnia and Herzegovina
  • Average high temperature in December: 3.7°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 (2.1°C).

  • Average low temperature in December: -2.8°C

The month with the highest average low temperature is August (11.7°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

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Average pressure in December
Slap, Bosnia and Herzegovina

Average pressure in December - Slap, Bosnia and Herzegovina
  • Average pressure in December: 1021mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).

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Average wind speed in December
Slap, Bosnia and Herzegovina

Average wind speed in December - Slap, Bosnia and Herzegovina
  • Average wind speed in December: 7.5km/h

The windiest month (with the highest average wind speed) is March (8.4km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

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Average humidity in December
Slap, Bosnia and Herzegovina

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in December
Slap, Bosnia and Herzegovina

Average rainfall in December - Slap, Bosnia and Herzegovina
  • Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is June (96mm).
The driest month (with the least rainfall) is September (34mm).

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Average rainfall days in December
Slap, Bosnia and Herzegovina

Average rainfall days in December - Slap, Bosnia and Herzegovina
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in December
Slap, Bosnia and Herzegovina

Average snowfall in December - Slap, Bosnia and Herzegovina
  • Average snowfall in December: 370mm

The month with the highest snowfall is January (382mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Slap, Bosnia and Herzegovina

Average snowfall days in December - Slap, Bosnia and Herzegovina
  • Average snowfall days in December: 14.7 days

The month with the highest number of snowfall days is January (17.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Slap, Bosnia and Herzegovina

Average daylight in December / Average sunshine in December - Slap, Bosnia and Herzegovina
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is August (Average sunshine: 11.2h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in December
Slap, Bosnia and Herzegovina

Average sunshine days in December - Slap, Bosnia and Herzegovina
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (6.5 days).

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Average UV index in December
Slap, Bosnia and Herzegovina

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Slap, Bosnia and Herzegovina

Average cloud cover in December - Slap, Bosnia and Herzegovina
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in December
Slap, Bosnia and Herzegovina

Average visibility in December - Slap, Bosnia and Herzegovina
  • Average visibility in December: 7km

Months with the highest visibility are April, July, August and September (9km).
Months with the lowest visibility are January, February and December (7km).

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