AI-generatedCelje at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 27°
- Sunshine a year
- 1,900 h
- Rain a year
- 969 mm
- Climate
- Continental
- Time zone
- UTC+1 / UTC+2
- Elevation
- 240 m
Climate in Celje
Celje has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 27 °C, while January is the coolest at 5 °C. With around 1,900 hours of sunshine a year, Celje is moderately sunny; July is the sunniest month with 8.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 16°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
07:1418:15
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:56–07:55 · evening 17:34–18:33
- Blue hour
- Morning 06:44–06:56 · evening 18:33–18:45
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Celje in October?
In October, Celje is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 83 mm. All in all, October is a good month for a holiday in Celje.
More details for October
- Daylight
- 11 h 0 min07:14 – 18:15
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Ljubljana
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %20 %
- Few rainy daysweight 30 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Celje
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.2 of 11.0 hours of daylight in Celje, 38 % of the day.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Celje
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 45 min
- Fair skin
- about 60 min
- Light brown skin
- about 80 min
- Olive skin
- about 105 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Celje: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Celje has about 9 rainy days with 83 mm of rain in total.
Wind and clouds in Celje
How breezy and how cloudy Celje is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Celje typically peaks at 11 km/h during the day: Beaufort 2, light air.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 64 % of the sky over Celje: variable cloud, with about 4.2 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Celje
How often the day gets hot in Celje (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Celje has about 0 hot days, with an average daytime high of 16 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Celje
Snow is possible in Celje, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Celje.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Celje
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−2°), the warmest in July (17°). Nights are pleasant for sleeping (15 to 20 °C) from June to August. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 21 | 5° | −2° | 2.6 h | 8 | 54 |
| FebruaryFeb | 24 | 7° | −1° | 3.7 h | 8 | 57 |
| MarchMar | 41 | 12° | 2° | 4.7 h | 10 | 61 |
| AprilApr | 66 | 16° | 6° | 5.9 h | 11 | 74 |
| MayMay | 74 | 20° | 10° | 7.0 h | 13 | 97 |
| JuneJun | 80 | 25° | 15° | 7.8 h | 11 | 90 |
| JulyJul | 82 | 27° | 17° | 8.3 h | 11 | 91 |
| AugustAug | 83 | 26° | 17° | 8.0 h | 10 | 96 |
| SeptemberSep | 75 | 21° | 12° | 5.8 h | 11 | 110 |
| OctoberOct | 64 | 16° | 8° | 4.2 h | 9 | 83 |
| NovemberNov | 28 | 10° | 4° | 2.4 h | 10 | 88 |
| DecemberDec | 19 | 5° | −1° | 2.0 h | 9 | 67 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
46.23° N, 15.26° E · 240 m · Europe/Ljubljana
Best time to visit Celje
The best time to visit Celje is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in April and from June to October. Rain is most frequent in May; the wettest month is September with 110 mm.
Celje through the seasons
How the weather changes over the seasons, with averages for each.
Celje in spring
Mar – May
Good
- 12–20 °C by day
- 6 h of sun a day
- 34 rainy days in all
Celje in summer
Jun – Aug
Excellent
- 25–27 °C by day
- 8 h of sun a day
- 33 rainy days in all
Celje in autumn
Sep – Nov
Fair
- 10–21 °C by day
- 4 h of sun a day
- 29 rainy days in all
Celje in winter
Dec – Feb
Poor
- 5–7 °C by day
- 3 h of sun a day
- 26 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Celje for you.
Your best months: June, August – September
Based on the climate averages; tap a month to see its details.
Compare two months in Celje
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Celje: score 83 against 64. In August, days are 10 °C warmer than in October. August has one more rainy day. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 64 | 83better |
| Day high | 16° | 26° |
| Night low | 8° | 17° |
| Sunshine | 4.2 h | 8.0 hbetter |
| Rainy days | 9better | 10 |
| Rainfall | 83 mmbetter | 96 mm |
| Muggy days | 0better | 4 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr, Jun – Oct
15–28 °C and not too much rain
Rainy months
May
12 or more rainy days
Snow
Dec – Feb
Snow on 2 or more days
Celje month by month
The typical weather for every month at a glance.
21January5° · 3 h
In January, Celje is cold: daytime highs average 5 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 3 hours a day. Rain falls on about 8 days, adding up to 54 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Celje.
Celje in January24February7° · 4 h
In February, Celje is cold: daytime highs average 7 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 4 hours a day. Rain falls on about 8 days, adding up to 57 mm. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Celje.
Celje in February41March12° · 5 h
In March, Celje is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 61 mm in total. Snow falls on about 2 days. All in all, March is a so-so month for a holiday in Celje.
Celje in March66April16° · 6 h
In April, Celje is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 74 mm in total. All in all, April is a good month for a holiday in Celje.
Celje in April74May20° · 7 h
In May, Celje is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 97 mm in total. All in all, May is a good month for a holiday in Celje.
Celje in May80June25° · 8 h
In June, Celje is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 90 mm in total. All in all, June is an excellent month for a holiday in Celje.
Celje in June82July27° · 8 h
In July, Celje is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 91 mm in total. On about 7 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Celje.
Celje in July83August26° · 8 h
In August, Celje is warm: daytime highs average 26 °C, and nights cool down to about 17 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 96 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Celje.
Celje in August75September21° · 6 h
In September, Celje is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 110 mm in total. All in all, September is a good month for a holiday in Celje.
Celje in September64October16° · 4 h
In October, Celje is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 83 mm. All in all, October is a good month for a holiday in Celje.
Celje in October28November10° · 2 h
In November, Celje is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 10 rainy days and 88 mm in total. All in all, November is not an ideal month for a holiday in Celje.
Celje in November19December5° · 2 h
In December, Celje is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 9 rainy days and 67 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Celje.
Celje in DecemberCelje compared
Put Celje side by side with another destination.
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Celje vs. Maribor
In October the holiday weather in Celje and Maribor is about equally good (score 64 vs. 65). During the day it is about as warm in Maribor as in Celje. Maribor gets one more hour of sunshine a day.
| in October | Celje | Maribor |
|---|---|---|
| Holiday score | 64 | 65 |
| Daytime high | 16° | 16° |
| Sunshine | 4 h | 5 h |
| Rainy days | 9 | 9 |
| Best time | May – Sep | Apr – Sep |
Through the year
Slovenia in October: the best places
In October, Celje ranks 3 of 10 destinations in this country.
- Ptuj16°70
- 2Maribor16°65
- 3CeljeThis page16°64
- 4Novo Mesto16°64
- 5Ljubljana15°56
- 6Kranj15°52
- 7Bled14°50
- 8Koper18°19°26
Planning a trip to Celje
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Celje in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Celje has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 20).
- 58
Easter holidays
Mar – Apr
Fair
- 15 °C by day
- 5.5 h of sun a day
- 11 rainy days a month
- 75
May half-term
May – Jun
Good
- 21 °C by day
- 7.2 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 83
Summer holidays
Jul – Aug
ExcellentBest holidays
- 26 °C by day
- 8.1 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 64
October half-term
Oct
Good
- 16 °C by day
- 4.2 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 20
Christmas holidays
Dec – Jan
Poor
- 5 °C by day
- 2.3 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 5 min
- Distance
- 1,290 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Celje
When is the best time to visit Celje?
The best time to visit Celje is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Celje?
July is the warmest month, with average highs of 27 °C and nights around 17 °C. January is the coolest month at 5 °C.
When does it rain most in Celje?
Rain is most frequent in May; the wettest month is September with 110 mm. The driest month is January with 54 mm.
How many hours of sunshine does Celje get?
Celje gets around 1,900 hours of sunshine a year. The sunniest month is July with 8.3 hours a day; in December there are 2.0 hours a day.
What time zone is Celje in?
Celje uses the time zone Europe/Ljubljana: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Celje?
A nonstop flight from London to Celje takes about 2 h 5 min, for a straight-line distance of about 1,290 km.
Which school holidays are best for Celje?
Celje has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 20). Holiday ratings (0–100): Easter holidays 58, May half-term 75, Summer holidays 83, October half-term 64, Christmas holidays 20.
Near Celje
Other destinations close by.
Places with a climate like Celje
Destinations whose weather through the year is closest to Celje's – good alternatives.