Bol
Croatia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Bol, Croatia

December, the first month of the winter, in Bol, is also a fresh month, with average temperature varying between 4°C (39.2°F) and 11°C (51.8°F).

Temperature

In Bol, the average high-temperature in December marginally drops, from a moderate 15°C (59°F) in November, to a cool 11°C (51.8°F). The average low-temperature, in Bol, is 4°C (39.2°F).

Rainfall

December is the month with the most rainfall. Rain falls for 13 days and accumulates 116mm (4.6") of precipitation.

Sea temperature

In December, the average sea temperature is 16°C (60.8°F). For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

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

Sunshine

January, November and December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
In December, the average maximum UV index of 1 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Bol?

In December, in Bol, Croatia, the average high-temperature is 11°C (51.8°F), and the average low-temperature is 4°C (39.2°F).

How much does it rain in Bol in December?

In Bol, Croatia, in December, it is raining for 13 days, with typically 116mm (4.6") of accumulated precipitation.

What is the rainiest month in Bol?

The month with the most rainfall is December when the rain falls for 13 days and typically aggregates up to 116mm (4.6") of precipitation.

What is the sea temperature in December in Bol?

In December, the average sea temperature in Bol is 16°C (60.8°F). For swimming, a surface water temperature of 16°C (60.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Bol?

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

How many hours of daylight does Bol have in December?

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

What is the month with the least sunshine in Bol?

Months with the least sunshine in Bol, Croatia, are January, November and December, with an average of 4h of sunshine.

How long on average sun shines in December in Bol?

The average sunshine in December is 4h.

When is the lowest UV index in Bol?

Months with the lowest UV index in Bol are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Bol?

The average daily maximum UV index in December in Bol is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Bol, Croatia
  • Average high temperature in December: 11°C

Warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in December: 4°C

The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average rainfall in December - Bol, Croatia
  • Average rainfall in December: 116mm

The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the lowest rainfall) is July (36mm).

Average rainfall days in December - Bol, Croatia
  • Average rainfall days in December: 13 days

Months with the highest number of rainy days are January, November and December (13 days).
The month with the lowest number of rainy days is July (8 days).

Average sea temperature in December - Bol, Croatia
  • Average sea temperature in December: 16°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are January and February (13.9°C).

Average daylight in December / Average sunshine in December - Bol, Croatia
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in December - Bol, Croatia
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).