January weather forecast and climate
Portorož, Slovenia

What is the coldest month in Portorož?

January is the coldest month in Portorož, with an average high-temperature of 8.6°C (47.5°F) and an average low-temperature of 0.6°C (33.1°F).

What is the average temperature in January in Portorož?

The average high-temperature, in January, in Portorož, is 8.6°C (47.5°F), while the average low-temperature is 0.6°C (33.1°F).
Average temperature in January - Portorož, Slovenia
  • Average high temperature in January: 8.6°C

The warmest month (with the highest average high temperature) is July (28.4°C).
The month with the lowest average high temperature is January (8.6°C).

  • Average low temperature in January: 0.6°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is February (0.4°C).

Average humidity in January - Portorož, Slovenia
  • Average humidity in January: 68%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (50%).

Average rainfall in January - Portorož, Slovenia
  • Average rainfall in January: 56.3mm

The wettest month (with the highest rainfall) is September (123.8mm).
The driest month (with the lowest rainfall) is February (47.1mm).

Average rainfall days in January - Portorož, Slovenia
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is May (11 days).
The month with the lowest number of rainy days is February (7.5 days).

Average sea temperature in January - Portorož, Slovenia
  • Average sea temperature in January: 10.3°C

Best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).

Average daylight in January / Average sunshine in January - Portorož, Slovenia
  • Average daylight in January: 9.2h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 3.3h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in January - Portorož, Slovenia
  • 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, November and December (UV index 1).

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