Postojna Weather in March
Postojna in March sees low temperatures, with highs around 11°C (52°F) and overnight lows of 1°C (34°F). Rainfall is fairly high at around 109 mm (4.3 in) on average, so pack waterproofs just in case.
Rainfall in Postojna in March
Historically, March sees about 14 days of rain, with a monthly average of 109 mm (4.3 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 Postojna in March
March in Postojna sees highs of 11°C (52°F) and lows of 1°C (34°F) overnight. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Postojna in March
The city usually sees around 143 hours of sunlight, indicating a moderately sunny period.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Postojna. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Postojna's climate page.
Postojna Temperature in March
Min Temperature
1°C (34°F)
Max Temperature
11°C (52°F)
Chance of Rain
46%
Precipitation
109 mm (4.3 in)
Rainy days
14 days
Humidity
61% *
Sunshine
143 hours *
Percentage Sunshine
40% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Postojna typically rise from around 11°C (52°F) at the start of March to approximately 14°C (57°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Postojna in March
Browse day-by-day weather records for Postojna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Postojna historical weather extremes in March
Based on 50 years of weather observations in Postojna between 1976 and 2026, these are the recorded extremes.
- On March 31, 2021, temperatures climbed to 23°C (73°F), marking the warmest March day on record.
- The coldest March day was on March 1, 2018, with a maximum of -3°C (27°F).
- The lowest overnight temperature recorded in March was -11°C (12°F) (March 13, 2022).
Best Places in Slovenia in March
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Postojna in March
The weather can be unpredictable in March, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Postojna in March
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 Postojna's climate page.
Temperature Rainfall Sunshine Humidity
See the full Postojna climate overview or explore weather in Slovenia.
