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Weather in Postojna for January 2026

Your guide to Postojna weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Moderate Avalanche Risk Warning - See hour by hour.

    • Snow Forecast ❄️

  • The climate of Postojna in January is quite snowy, averaging 11 snowy days.
    According to Postojna snow forecast for January 2026, 2 snowy days are expected until the end of the month. The closest date with snow is Friday, 30 January.

    • Temperatures

  • Until now, January 2026 in Postojna is cooler than usual, with temperatures averaging 1.4 °C, this is -2.3 °C below the typical seasonal average.

  • The forecast for the next days in Postojna predicts temperatures to be around 5 °C, close to the historical average.

  • In general, the average temperature in Postojna at the beginning of January is 3.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 6.1 °C by the end of January.

Average dry days
9
Dry days
Average rainy days
11
Rainy days
Average snowy days
11
Snow days
Average temperatures
5°/-1°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Postojna Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy snow showers
5°
2
Patchy rain possible
4°
3
Light drizzle
4°
4
Patchy rain possible
3°
5
Light rain shower
3°
6
Light rain shower
4°
7
Heavy snow
3°
8
Patchy light snow
3°
9
Light freezing rain
3°
10
Light freezing rain
3°
11
Sunny
0°
12
Sunny
1°
13
Partly cloudy
2°
14
Fog
2°
15
Moderate or heavy snow showers
3°
16
Light snow
2°
17
Heavy snow
3°
18
Light rain shower
5°
19
Heavy snow
4°
20
Mist
2°
21
Mist
2°
22
Sunny
5°
23
Sunny
5°
24
Fog
5°
25
Patchy rain possible
6°
26
Freezing fog
7°
27
Freezing fog
7°
28
Sunny
7°
29
Sunny
7°
30
Weather Alert Partly cloudy
5°
31
Weather Alert Patchy rain possible
4°

Temperatures trend during January in Postojna

See the weather trend as well as the moving average line

January weather in Postojna day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /-2° 6.8 mm 1.1 cm
2 Jan. Patchy rain possible
Patchy rain possible
 4° /1° 4 mm 2.3 cm
3 Jan. Light drizzle
Light drizzle
 4° /-1° 10.6 mm 6.3 cm
4 Jan. Patchy rain possible
Patchy rain possible
 3° /-3° 1.2 mm 0.7 cm
5 Jan. Light rain shower
Light rain shower
 3° /-3° 3.4 mm 0.5 cm
6 Jan. Light rain shower
Light rain shower
 4° /0° 20.5 mm 3.4 cm
7 Jan. Heavy snow
Heavy snow
 3° /-1° 7.4 mm 2 cm
8 Jan. Patchy light snow
Patchy light snow
 3° /-5° 0.8 mm 0 cm
9 Jan. Light freezing rain
Light freezing rain
 3° /-3° 8.4 mm 1.9 cm
10 Jan. Light freezing rain
Light freezing rain
 3° /-4° 4.6 mm 2.5 cm
11 Jan. Sunny
Sunny
 0° /-8° 0 mm 0 cm
12 Jan. Sunny
Sunny
 1° /-7° 0 mm 0 cm
13 Jan. Partly cloudy
Partly cloudy
 2° /-4° 0 mm 0 cm
14 Jan. Fog
Fog
 2° /-3° 0.1 mm 0 cm
15 Jan. Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-2° 0.9 mm 0.4 cm
16 Jan. Light snow
Light snow
 2° /-2° 0.3 mm 0.1 cm
17 Jan. Heavy snow
Heavy snow
 3° /-1° 3.2 mm 1.3 cm
18 Jan. Light rain shower
Light rain shower
 5° /0° 8.6 mm 0 cm
19 Jan. Heavy snow
Heavy snow
 4° /-4° 9.6 mm 4.4 cm
20 Jan. Mist
Mist
 2° /-6° 0 mm 0 cm
21 Jan. Mist
Mist
 2° /-5° 3.3 mm 0 cm
22 Jan. Sunny
Sunny
 5° /-2° 1.2 mm 0.1 cm
23 Jan. Sunny
Sunny
 5° /-1° 3.7 mm 0.1 cm
24 Jan. Fog
Fog
 5° /0° 4.6 mm 0.7 cm
25 Jan. Patchy rain possible
Patchy rain possible
 6° /1° 1.8 mm 0.7 cm
26 Jan. Freezing fog
Freezing fog
 7° /1° 2.3 mm 0 cm
27 Jan. Freezing fog
Freezing fog
 7° /1° 1.6 mm 0 cm
28 Jan. Sunny
Sunny
 7° /1° 21.2 mm 5.3 cm
29 Jan. Sunny
Sunny
 7° /1° 1.2 mm 0 cm
30 Jan. Partly cloudy
Partly cloudy
 5° /1° 0.1 mm 0 cm
31 Jan. Patchy rain possible
Patchy rain possible
 4° /0° 0.1 mm 0 cm
Next
Important Notice
Our weather forecast for Postojna in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Postojna forecast closer to your planned date for the most up-to-date weather information.
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Postojna in January - FAQ

What are the expected maximum and minimum temperatures in Postojna during January?

Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Postojna during January?

Significant rainfall exceeding 144.6 mm is expected in Postojna during January, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Postojna in January 2026?

Postojna experiences an average snowfall of 23.495 cm during January, occurring over 11 days.

What are the typical wind conditions in Postojna during January?

The average wind speed in Postojna during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

Postojna snow forecast January 2026

Track daily snowfall levels and discover Postojna’s snowy potential this January ❄️
On average, Postojna sees 11 snowy days during January, with approximately 23.5 cm of total snowfall.

January rainfall patterns in Postojna

Explore the daily rainfall trends and prepare for Postojnas January weather 💧
Typically, Postojna has 11 rainy days in January with a total of 144.6 mm of rainfall.

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Location coordinates Where is Postojna?

Get accurate weather forecasts for Postojna, located at latitude 45.774 and longitude 14.215. Stay updated with localized weather information tailored for Postojna.

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