Sežana Weather in January
January in Sežana brings low temperatures, with daytime highs of 7°C (45°F) and nights around 1°C (34°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Sežana in January
Known for its least rainfall, this month is the driest of the year. It's a good time to be outdoors, even if the temperatures are a little cool. You can typically expect 13 days of rain this month, averaging around 93 mm (3.7 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Sežana in January
In January, Sežana gets low temperatures, with highs of 7°C (45°F). Nights cool to around 1°C (34°F). January is in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.
Sunshine in Sežana in January
The month is characterized by fewer sunny days, with roughly 98 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Average water temperature in January
The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.January in Sežana has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.
Sežana Temperature in January
Min Temperature
1°C (34°F)
Max Temperature
7°C (45°F)
Water Temperature
10°C (50°F) *
Chance of Rain
42%
Precipitation
93 mm (3.7 in)
Rainy days
13 days
Humidity
67% *
Sunshine
98 hours *
Percentage Sunshine
38% *
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Sežana typically stay consistent throughout January, with daily highs averaging around 7°C (45°F). Nights are cold, with lows around 1°C (34°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Sežana in January
Browse day-by-day weather records for Sežana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sežana historical weather extremes in January
According to our 25 years of weather records for Sežana, the following extremes were recorded between 2000 and 2025.
- The warmest day in January was on January 19, 2014, with a maximum of 17°C (63°F).
- On January 24, 2006, Sežana saw its coldest January day with temperatures maxing out at 0°C (32°F).
- The coldest night in January in Sežana was on January 13, 2003, with a minimum of -11°C (12°F).
Best Places in Slovenia in January
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in January →
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What to Wear in Sežana in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Sežana in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sežana climate overview or explore weather in Slovenia.
