Back to destinations
AI-generated illustrative landscape; not a photograph of this destination
AI-generated
Croatia

Karlovac

City break

Karlovac at a glance

Best time
May – Sep
Warmest month
Jul · 28°
Sunshine a year
2,050 h
Rain a year
909 mm
Climate
Temperate
Time zone
UTC+1 / UTC+2
Elevation
114 m

Climate in Karlovac

Karlovac has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 28 °C, while January is the coolest at 5 °C. With around 2,050 hours of sunshine a year, Karlovac is moderately sunny; July is the sunniest month with 9.3 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

68

Holiday weather in October

Good

Best time to visit: May – September

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 10°
  2. Midday, 13:00: about 16°
  3. Afternoon, 16:00: about 16°
  4. Evening, 20:00: about 13°
  5. Night, 23:00: about 11°

07:1218:14

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 06:54–07:53 · evening 17:34–18:33
Blue hour
Morning 06:43–06:54 · evening 18:33–18:44

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 Karlovac in October?

In October, Karlovac is mild: daytime highs average 17 °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 79 mm. All in all, October is a good month for a holiday in Karlovac.

More details for October

Daylight
11 h 2 min07:12 – 18:14
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/Zagreb

How the score comes together

  • Temperatureweight 50 %88 %
  • Sunshineweight 20 %22 %
  • Few rainy daysweight 30 %67 %

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

Sunshine hours in Karlovac

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,050 hours
Sunniest month
Jul · 9.3 h a day
Least sunshine
Dec · 2.0 h a day
OctoberSunshine 4.3 hDaylight 11.0 hShare of daylight 39 %
SunshineDaylight

In October, the sun shines for about 4.3 of 11.0 hours of daylight in Karlovac, 39 % of the day.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Karlovac

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 55 min
Light brown skin
about 80 min
Olive skin
about 100 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

Rain in Karlovac: 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.

Per year
909 mm on 119 days
Wettest month
Sep · 98 mm
Driest month
Jan · 61 mm
OctoberRainy days 9Rainfall 79 mm

In October, Karlovac has about 9 rainy days with 79 mm of rain in total.

Wind & clouds

Wind and clouds in Karlovac

How breezy and how cloudy Karlovac 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.

Year average
11 km/h · light air
Windiest month
Mar · 13 km/h
Calmest month
Dec · 10 km/h
OctoberWind 11 km/hBeaufort 2

In October, the wind in Karlovac 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.

Year average
60 % · variable cloud
Clearest month
Jul · 45 %
Cloudiest month
Nov · 72 %
OctoberCloud cover 64 %Sunshine 4.3 h

In October, cloud covers on average 64 % of the sky over Karlovac: variable cloud, with about 4.3 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 & humidity

Heat and humidity in Karlovac

How often the day gets hot in Karlovac (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
27 days
Hottest month
Jul · 28 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Day high 17 °C

In October, Karlovac has about 0 hot days, with an average daytime high of 17 °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

Snow in Karlovac

Snow is possible in Karlovac, 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 days a year
13 days
Fresh snow a year
60 cm
Snow possible
Dec – Feb

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 0 / 100

In October, it hardly ever snows in Karlovac.

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.

Best time to visit

Nights and sleep in Karlovac

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.

OctoberDay 17°Night 8°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan185°−2°2.7 h961
FebruaryFeb248°−2°4.0 h961
MarchMar4612°2°5.2 h1061
AprilApr7017°6°6.3 h1177
MayMay7621°10°7.6 h1397
JuneJun8626°15°8.5 h1070
JulyJul8228°17°9.3 h1074
AugustAug8428°17°8.7 h973
SeptemberSep7722°12°6.1 h1098
OctoberOct6817°8°4.3 h979
NovemberNov3111°4°2.5 h1088
DecemberDec176°−1°2.0 h1070

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

45.49° N, 15.55° E · 114 m · Europe/Zagreb

Best time to visit

Best time to visit Karlovac

The best time to visit Karlovac 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 98 mm.

Karlovac through the seasons

How the weather changes over the seasons, with averages for each.

Karlovac in spring

Mar – May

64

Good

  • 12–21 °C by day
  • 6 h of sun a day
  • 33 rainy days in all

Karlovac in summer

Jun – Aug

84

Excellent

  • 26–28 °C by day
  • 9 h of sun a day
  • 29 rainy days in all

Karlovac in autumn

Sep – Nov

59

Fair

  • 11–22 °C by day
  • 4 h of sun a day
  • 29 rainy days in all

Karlovac in winter

Dec – Feb

20

Poor

  • 5–8 °C by day
  • 3 h of sun a day
  • 28 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Karlovac for you.

Sunshine
Little rain

Your best months: May – June, September

Based on the climate averages; tap a month to see its details.

Compare two months in Karlovac

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

June has the better holiday weather in Karlovac: score 86 against 68. In June, days are 9 °C warmer than in October. June has one more rainy day. The sun shines 4 hours longer a day in June.

October vs. June, Karlovac
MonthOctoberJune
Weather score6886better
Day high17°26°
Night low8°15°
Sunshine4.3 h8.5 hbetter
Rainy days9better10
Rainfall79 mm70 mm
Muggy days0better4

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

Karlovac month by month

The typical weather for every month at a glance.

18January5° · 3 h

In January, Karlovac 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 is frequent, with about 9 rainy days and 61 mm in total. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Karlovac.

Karlovac in January
24February8° · 4 h

In February, Karlovac is cold: daytime highs average 8 °C, and nights often drop below freezing (−2 °C). Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 61 mm. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Karlovac.

Karlovac in February
46March12° · 5 h

In March, Karlovac 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 Karlovac.

Karlovac in March
70April17° · 6 h

In April, Karlovac is mild: daytime highs average 17 °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 77 mm in total. All in all, April is a good month for a holiday in Karlovac.

Karlovac in April
76May21° · 8 h

In May, Karlovac is warm: daytime highs average 21 °C, and nights cool down to about 10 °C. The sun shines for around 8 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 Karlovac.

Karlovac in May
86June26° · 9 h

In June, Karlovac is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 70 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Karlovac.

Karlovac in June
82July28° · 9 h

In July, Karlovac is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 10 rainy days and 74 mm in total. On about 10 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Karlovac.

Karlovac in July
84August28° · 9 h

In August, Karlovac is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. The sun shines for around 9 hours a day. Rain is frequent, with about 9 rainy days and 73 mm in total. On about 10 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Karlovac.

Karlovac in August
77September22° · 6 h

In September, Karlovac is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 98 mm in total. All in all, September is a good month for a holiday in Karlovac.

Karlovac in September
68October17° · 4 h

In October, Karlovac is mild: daytime highs average 17 °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 79 mm. All in all, October is a good month for a holiday in Karlovac.

Karlovac in October
31November11° · 3 h

In November, Karlovac is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3 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 Karlovac.

Karlovac in November
17December6° · 2 h

In December, Karlovac is cold: daytime highs average 6 °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 10 rainy days and 70 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Karlovac.

Karlovac in December
Compare

Karlovac compared

Put Karlovac side by side with another destination.

Nearby:
Compare with home:

Karlovac vs. Novo Mesto

In October the holiday weather in Karlovac and Novo Mesto is about equally good (score 68 vs. 64). During the day Novo Mesto is 1 °C cooler than Karlovac.

Karlovac vs. Novo Mesto, in October
in OctoberKarlovacNovo Mesto
Holiday score6864
Daytime high17°16°
Sunshine4 h4 h
Rainy days99
Best timeMay – SepMay – Sep

Through the year

OctoberKarlovac 17°Novo Mesto 16°
KarlovacNovo Mesto
Go to Novo Mesto
Ranking

Croatia in October: the best places

In October, Karlovac ranks 5 among the 31 nearest destinations in this country.

  1. Vukovar18°79
  2. 2Knin19°78
  3. 3Osijek18°78
  4. 4Motovun17°70
  5. 5KarlovacThis page17°68
  6. 6Zagreb17°68
  7. 7Varaždin16°68
  8. 8Trogir20°21°42
All destinations: Croatia

Planning a trip to Karlovac

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Karlovac 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.

Karlovac has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 18).

  • Easter holidays

    Mar – Apr

    63

    Good

    • 15 °C by day
    • 6.0 h of sun a day
    • 10 rainy days a month
  • May half-term

    May – Jun

    78

    Good

    • 22 °C by day
    • 7.8 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    83

    ExcellentBest holidays

    • 28 °C by day
    • 8.9 h of sun a day
    • 9 rainy days a month

    Good for: Sightseeing & walks

  • October half-term

    Oct

    68

    Good

    • 17 °C by day
    • 4.3 h of sun a day
    • 9 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    18

    Poor

    • 5 °C by day
    • 2.4 h of sun a day
    • 10 rainy days a month

    Keep in mind: Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 2 h 10 min
Distance
1,350 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 Karlovac

When is the best time to visit Karlovac?

The best time to visit Karlovac 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 Karlovac?

July is the warmest month, with average highs of 28 °C and nights around 17 °C. January is the coolest month at 5 °C.

When does it rain most in Karlovac?

Rain is most frequent in May; the wettest month is September with 98 mm. The driest month is January with 61 mm.

How many hours of sunshine does Karlovac get?

Karlovac gets around 2,050 hours of sunshine a year. The sunniest month is July with 9.3 hours a day; in December there are 2.0 hours a day.

What time zone is Karlovac in?

Karlovac uses the time zone Europe/Zagreb: UTC+1 in January and UTC+2 in July.

How long is the flight from London to Karlovac?

A nonstop flight from London to Karlovac takes about 2 h 10 min, for a straight-line distance of about 1,350 km.

Which school holidays are best for Karlovac?

Karlovac has its best school-holiday weather during the summer holidays (score 83) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 63, May half-term 78, Summer holidays 83, October half-term 68, Christmas holidays 18.

Near Karlovac

Other destinations close by.

Places with a climate like Karlovac

Destinations whose weather through the year is closest to Karlovac's – good alternatives.

  1. 93% similar71Banja LukaBosnia and Herzegovina17°Best time: May – Sep
  2. 90% similar73PécsHungary17°Best time: Apr – Oct
  3. 89% similar76TimișoaraRomania17°Best time: Apr – Oct
  4. 88% similar78OsijekCroatia18°Best time: Apr – Oct