UTC Offset
UTC+02:00
Kostel, Slovenia Snapshot 2026
Where is Kostel?
Kostel, Slovenia
- Continent
- Europe
- Country
- Slovenia
- City
- Kostel
- Population
- 637
- Coordinates
- 45.51°, 14.91°
Kostel is a city in Slovenia with a population of approximately 637. Average temperatures range from -1°C (30°F) in January to 28°C (82°F) in July. The best time to visit is June, July, August, September, October.
Time in Kostel right now
Open full time & time zone page 09:17 17
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 Kostel
Daylight in Kostel today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 41m
Climate normals for Kostel
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Wet June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / -1°C | 3°C / -4°C | 12days (99 mm) Wet | 4.7h Fair | 86% Very Muggy | 1.6 Low | Poor | View Details |
| February | 8°C / 1°C | 5°C / -2°C | 11days (100 mm) Wet | 5.8h Fair | 83% Humid | 2.2 Moderate | Poor | View Details |
| March | 12°C / 3°C | 9°C / 0°C | 13days (100 mm) Wet | 8h Good | 77% Humid | 3.5 Moderate | Poor | View Details |
| April | 16°C / 6°C | 15°C / 4°C | 12days (99 mm) Wet | 9.6h Good | 76% Humid | 5 Moderate | Fair | View Details |
| May | 19°C / 11°C | 20°C / 10°C | 19days (167 mm) Wet | 10h Excellent | 82% Humid | 6 High | Wet | View Details |
| June best | 26°C / 16°C | 28°C / 17°C | 14days (106 mm) Wet | 12.2h Excellent | 77% Humid | 6.9 High | Excellent | View Details |
| July best | 28°C / 18°C | 30°C / 19°C | 13days (128 mm) Wet | 12.6h Excellent | 73% Muggy | 6.8 High | Excellent | View Details |
| August best | 27°C / 18°C | 29°C / 19°C | 13days (117 mm) Wet | 11.2h Excellent | 75% Muggy | 6 High | Excellent | View Details |
| September best | 22°C / 14°C | 22°C / 14°C | 12days (141 mm) Wet | 9h Good | 82% Humid | 4.6 Moderate | Excellent | View Details |
| October best | 17°C / 9°C | 16°C / 8°C | 10days (115 mm) Wet | 6.9h Fair | 86% Very Muggy | 3 Moderate | Good | View Details |
| November | 11°C / 5°C | 9°C / 3°C | 13days (141 mm) Wet | 4.3h Fair | 90% Very Muggy | 1.9 Low | Poor | View Details |
| December | 7°C / 1°C | 5°C / -2°C | 11days (110 mm) Wet | 4.1h Fair | 89% Very Muggy | 1.3 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 6°C / -1°C . Feb: 8°C / 1°C . Mar: 12°C / 3°C . Apr: 16°C / 6°C . May: 19°C / 11°C . Jun: 26°C / 16°C . Jul: 28°C / 18°C . Aug: 27°C / 18°C . Sep: 22°C / 14°C . Oct: 17°C / 9°C . Nov: 11°C / 5°C . Dec: 7°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 99 mm. Feb: 100 mm. Mar: 100 mm. Apr: 99 mm. May: 167 mm. Jun: 106 mm. Jul: 128 mm. Aug: 117 mm. Sep: 141 mm. Oct: 115 mm. Nov: 141 mm. Dec: 110 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 83%. Mar: 77%. Apr: 76%. May: 82%. Jun: 77%. Jul: 73%. Aug: 75%. Sep: 82%. Oct: 86%. Nov: 90%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 13 km/h . May: 12 km/h . Jun: 11 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 12 km/h . Nov: 11 km/h . Dec: 11 km/h .
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
Kostel has a population of approximately 637.
The best months to visit Kostel are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Kostel receives approximately 1423mm of rainfall annually across 153 rainy days.
Kostel is located in Slovenia, in the Europe region.