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Celje

Travel guide

Top 10 things to do in Celje

Ongoing promotions in Celje

Best time to visit Celje

Data source：Meteostat
Last updated：2025-09

Weather in Celje throughout the year

  • Spring (March–May): Average 6.8–15.7°C, mild climate, but May has more rainfall and higher humidity. Common activities: Outdoor walks, sightseeing. Recommended clothing: Light jacket, comfortable long pants or skirt.
  • Summer (June–August): Average 20.5–22.3°C, warm climate, sunny, occasional rain. Common activities: Swimming, hiking, enjoying outdoor activities. Recommended clothing: Short sleeves, shorts, light and breathable clothing.
  • Autumn (September–November): Average 16.5–5.9°C, cool climate, rainfall gradually decreases. Common activities: Enjoying autumn scenery, fruit picking (if applicable). Recommended clothing: Light jacket, long-sleeved shirt, comfortable long pants.
  • Winter (December–February): Average 2.4–4.1°C, cold climate, moderate rainfall. Common activities: Indoor activities, skiing (if there are nearby ski resorts). Recommended clothing: Warm jacket, hat, scarf, gloves.

Weather in Celje

Annual average temperature: approx. 11.7°C / Annual rainfall: approx. 1000 mm / Summer humidity: 65%–75% / Rainiest month: May

Celje weather by month

Month
Temperature (°C)
Rainfall (mm)
January
1.1°C
74.4
February
4.1°C
30.9
March
6.8°C
46.8
April
10.2°C
80
May
15.7°C
155.8
June
20.5°C
93
July
22.3°C
73.1
August
21.8°C
125.2
September
16.5°C
75.4
October
13.5°C
81.7
November
5.9°C
71.1
December
2.4°C
93.3

7-day weather forecast for Celje

11/6
Friday
Overcast
9.7°C/-0.6°C
11/7
Saturday
Overcast
8.6°C/0°C
11/8
Sunday
Sunny
10.1°C/-1.4°C
11/9
Monday
Sunny
12.1°C/-1.2°C
11/10
Tuesday
Overcast
10.5°C/2°C
11/11
Wednesday
Overcast
8.7°C/2.5°C
11/12
Thursday
Patchy rain nearby
14.3°C/5°C

Celje travel FAQs and useful info

How safe is Celje for tourists?

Celje is recognized as a safe, responsible, and sustainable destination, adhering to responsible travel standards.

What is the best month to visit Celje?

The best months to visit Celje are typically May and September. May offers blooming nature and outdoor activities before the summer crowds, while September provides comfortable temperatures and the excitement of the wine harvest season.

Is it safe to travel to Slovenia right now?

Yes, it is generally safe to travel to Slovenia, with a very low crime rate. Slovenia consistently ranks high on safety indices. While exercising caution in crowded areas is always advisable, Slovenia is considered one of the safest countries in the world.

Is Slovenia a good country for tourists?

Yes, Slovenia is widely considered worth visiting. It offers stunning natural beauty, charming medieval towns, and diverse landscapes within a compact area, all with fewer crowds than many other European destinations.

What are the main attractions in Celje?

Celje is renowned for its impressive medieval castle, Celje Castle, offering panoramic views. Visitors can also explore the Old Count's Palace, the city's historic center with its charming squares, and learn about the region's rich history.