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

January weather forecast and climate
Bol, Croatia

January, like December, is a frosty winter month in Bol, Croatia, with average temperature fluctuating between 9°C (48.2°F) and 3°C (37.4°F).

Temperature

January is the coldest month, with an average high-temperature of 9°C (48.2°F) and an average low-temperature of 3°C (37.4°F).

Rainfall

In Bol, during January, the rain falls for 13 days and regularly aggregates up to 90mm (3.5") of precipitation. In Bol, during the entire year, the rain falls for 134 days and collects up to 904mm (35.6") of precipitation.

Sea temperature

Months with the coldest seawater are January and February, with an average sea temperature of 13.9°C (57°F). Swimming in 13.9°C (57°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Bol, the average length of the day is 9.4h.

Sunshine

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

UV index

Months with the lowest UV index in Bol are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
The average daily UV index of 1 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from 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.

What is the coldest month in Bol?

The coldest month is January, with an average high-temperature of 9°C (48.2°F) and an average low-temperature of 3°C (37.4°F).

What is the temperature in January in Bol?

In Bol, Croatia, in January, the average high-temperature is 9°C (48.2°F), and the average low-temperature is 3°C (37.4°F).

How many days does it rain in January in Bol?

In Bol, Croatia, in January, it is raining for 13 days, with typically 90mm (3.5") of accumulated precipitation.

What months are the sea coldest in Bol?

January and February, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater in Bol. Swimming in 13.9°C (57°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the water temperature in January in Bol?

In Bol, the average seawater temperature in January is 13.9°C (57°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Bol have in January?

In January, the average length of the day in Bol is 9.4h.

What is the month with the least sunshine in Bol?

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

How long on average sun shines in January in Bol?

The average sunshine in January is 4h.

When is the lowest UV index in Bol?

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

How high is the UV index in January in Bol?

The average daily maximum UV index in January in Bol, Croatia, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Bol, Croatia
  • Average high temperature in January: 9°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 January: 3°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 January - Bol, Croatia
  • Average rainfall in January: 90mm

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

Average rainfall days in January - Bol, Croatia
  • Average rainfall days in January: 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 January - Bol, Croatia
  • Average sea temperature in January: 13.9°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 January / Average sunshine in January - Bol, Croatia
  • Average daylight in January: 9.4h

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 January: 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 January - Bol, Croatia
  • Average UV index in January: 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).