January weather forecastSupetar, Croatia

January

Weather in January

January, the same as December, in Supetar, Croatia, is another chilly winter month, with temperature in the range of an average low of 3°C (37.4°F) and an average high of 9°C (48.2°F).

Temperature

January, recording an average high temperature of 9°C (48.2°F) and a low temperature of 3°C (37.4°F), is Supetar's coldest month.

Rainfall

In Supetar, in January, during 13 rainfall days, 90mm (3.54") of precipitation is typically accumulated. In Supetar, during the entire year, the rain falls for 139 days and collects up to 937mm (36.89") of precipitation.

Sea temperature

January and February, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater.
Note: Diving into 13.9°C (57°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.

Daylight

In January, the average length of the day is 9h and 24min.
On the first day of January in Supetar, sunrise is at 07:26 and sunset at 16:27. On the last day of the month, sunrise is at 07:11 and sunset at 17:03 CET.

Sunshine

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

UV index

The months with the lowest UV index in Supetar are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 1 during January leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

January brings the lowest temperatures, with an average high of 9°C (48.2°F) and an average low of 3°C (37.4°F).

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

In Supetar, in January, during 13 rainfall days, 90mm (3.54") of precipitation is typically accumulated.

The months with the coldest seawater in Supetar are January and February, with an average sea temperature of 13.9°C (57°F).

In Supetar, Croatia, the average seawater temperature in January is 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.

In January, the average day length is 9h and 24min.

On the first day of January in Supetar, Croatia, sunrise is at 07:26 and sunset at 16:27. On the last day of the month, sunrise is at 07:11 and sunset at 17:03 CET.

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

In January, the average sunshine duration in Supetar is 4h.

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

In January, the average daily maximum UV index in Supetar is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index

Average temperature in January
Supetar, Croatia

  • Average high temperature in January: 9°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in January: 3°C

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

Average rainfall in January
Supetar, Croatia

  • Average rainfall in January: 90mm

The wettest month (with the highest rainfall) is November (120mm).
The driest month (with the least rainfall) is July (38mm).

Average rainfall days in January
Supetar, Croatia

  • Average rainfall days in January: 13 days

The months with the highest number of rainy days are January, April, November and December (13 days).
The months with the least rainy days are July and August (9 days).

Average sea temperature in January
Supetar, Croatia

  • Average sea temperature in January: 13.9°C

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

Average daylight in January /
Average sunshine in January
Supetar, Croatia

  • Average daylight in January: 9h and 24min

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 January: 4h

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

Average UV index in January
Supetar, Croatia

  • Average UV index in January: 1

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