UTC Offset
UTC+02:00
Sežana, Slovenia Snapshot 2026
Where is Sežana?
Sežana, Slovenia
- Continent
- Europe
- Country
- Slovenia
- City
- Sežana
- Population
- 6K
- Coordinates
- 45.71°, 13.87°
Sežana is a city in Slovenia with a population of approximately 6K. Average temperatures range from 0°C (32°F) in January to 27°C (80°F) in August. The best time to visit is June, July, August, September.
Time in Sežana right now
Open full time & time zone page 06:21 21
Thursday, June 18, 2026
IANA time zone
Europe/Ljubljana
Daylight saving
DST in effect
CET / CEST
Next DST change
October 25
backward -1h
Live weather in Sežana
Daylight in Sežana today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 42m
Climate normals for Sežana
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Wet December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 0°C | 3°C / -4°C | 10days (108 mm) Wet | 5.5h Fair | 80% Humid | 1.5 Low | Poor | View Details |
| February | 8°C / 1°C | 5°C / -2°C | 9days (110 mm) Wet | 6.4h Fair | 78% Humid | 2.2 Moderate | Poor | View Details |
| March | 12°C / 3°C | 9°C / 0°C | 10days (106 mm) Wet | 8.7h Good | 72% Muggy | 3.5 Moderate | Poor | View Details |
| April | 15°C / 7°C | 14°C / 4°C | 11days (106 mm) Wet | 10.3h Excellent | 71% Muggy | 5.1 High | Fair | View Details |
| May | 19°C / 11°C | 19°C / 9°C | 17days (156 mm) Wet | 11.2h Excellent | 76% Humid | 5.9 High | Fair | View Details |
| June best | 25°C / 16°C | 26°C / 16°C | 10days (100 mm) Wet | 12.9h Excellent | 73% Muggy | 6.9 High | Excellent | View Details |
| July best | 27°C / 18°C | 29°C / 19°C | 11days (93 mm) Wet | 13h Excellent | 70% Muggy | 6.8 High | Excellent | View Details |
| August best | 27°C / 18°C | 29°C / 19°C | 9days (107 mm) Wet | 11.8h Excellent | 70% Muggy | 6.1 High | Excellent | View Details |
| September best | 22°C / 14°C | 22°C / 13°C | 12days (198 mm) Wet | 9.6h Good | 76% Humid | 4.8 Moderate | Excellent | View Details |
| October | 17°C / 10°C | 16°C / 8°C | 12days (160 mm) Wet | 7.7h Good | 81% Humid | 2.9 Moderate | Good | View Details |
| November | 11°C / 6°C | 8°C / 2°C | 13days (186 mm) Wet | 5.8h Fair | 82% Humid | 1.9 Low | Wet | View Details |
| December | 8°C / 2°C | 5°C / -2°C | 9days (122 mm) Wet | 5.1h Fair | 83% Humid | 1.4 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 6°C / 0°C . Feb: 8°C / 1°C . Mar: 12°C / 3°C . Apr: 15°C / 7°C . May: 19°C / 11°C . Jun: 25°C / 16°C . Jul: 27°C / 18°C . Aug: 27°C / 18°C . Sep: 22°C / 14°C . Oct: 17°C / 10°C . Nov: 11°C / 6°C . Dec: 8°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 108 mm. Feb: 110 mm. Mar: 106 mm. Apr: 106 mm. May: 156 mm. Jun: 100 mm. Jul: 93 mm. Aug: 107 mm. Sep: 198 mm. Oct: 160 mm. Nov: 186 mm. Dec: 122 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 78%. Mar: 72%. Apr: 71%. May: 76%. Jun: 73%. Jul: 70%. Aug: 70%. Sep: 76%. Oct: 81%. Nov: 82%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 14 km/h . Aug: 15 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 18 km/h . Dec: 15 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 10°C . Feb: 9°C . Mar: 11°C . Apr: 14°C . May: 18°C . Jun: 23°C . Jul: 26°C . Aug: 26°C . Sep: 24°C . Oct: 20°C . Nov: 15°C . Dec: 12°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Sežana has a population of approximately 6K.
The best months to visit Sežana are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Sežana receives approximately 1552mm of rainfall annually across 133 rainy days.
Sežana is located in Slovenia, in the Europe region.