The best times to visit Karlovac for ideal weather are

April 30th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Karlovac Travel Info

Weather in Karlovac


Average temperatures in Karlovac vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 27th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Karlovac, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 85.5°F (29.7°C) with temperatures rarely dropping below 61°F (16.1°C) at night.

Karlovac Temperatures (Fahrenheit)


Karlovac Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Karlovac Perceived Temperature (F)


Karlovac Perceived Temperature (C)



Average Karlovac Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 42.3 34.8 29.1
Feb 44.7 35.4 28.7
Mar 55.6 44.8 35.1
Apr 66.1 54.9 42.9
May 72.4 62.2 50.4
Jun 79.4 69.4 57.6
Jul 83.4 72.7 60.2
Aug 82.9 70.9 59.2
Sep 72.1 61.4 52
Oct 61.7 52 44.1
Nov 52.5 44.3 38
Dec 42.2 35.1 29.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.7 1.6 -1.6
Feb 7.1 1.9 -1.8
Mar 13.1 7.1 1.7
Apr 18.9 12.7 6.1
May 22.4 16.8 10.2
Jun 26.3 20.8 14.2
Jul 28.6 22.6 15.7
Aug 28.3 21.6 15.1
Sep 22.3 16.3 11.1
Oct 16.5 11.1 6.7
Nov 11.4 6.8 3.3
Dec 5.7 1.7 -1.3



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Karlovac are August, April, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid July. For example, on the week of July 9th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early November with an average of 3 days of significant precipitation the week of November 5th.

When can you find snow in Karlovac? Weather stations report large amounts of snow likely to be deepest around February, especially close to early to mid February. The best time to ski (if at all) in Karlovac is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Karlovac.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Karlovac (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 5 3.7
Feb 26% 7.4 3.6
Mar 21% 3.4 2.8
Apr 20% 0 2.5
May 29% 0 4.9
Jun 24% 0 3.7
Jul 21% 0 3.6
Aug 19% 0 3.7
Sep 24% 0 5.8
Oct 23% 0 5
Nov 25% 2.6 4.5
Dec 27% 3.3 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 12.7 9.4
Feb 26 18.8 9.1
Mar 21 8.6 7.1
Apr 20 0 6.4
May 29 0 12.4
Jun 24 0 9.4
Jul 21 0 9.1
Aug 19 0 9.4
Sep 24 0 14.7
Oct 23 0 12.7
Nov 25 6.6 11.4
Dec 27 8.4 8.1


Humidity and Wind

Karlovac has some extremely humid months, with other comfortably humid months. The least humid month is April (58.7% relative humidity), and the most humid month is December (85.3%).

Wind in Karlovac is usually extremely calm. The windiest month is March, followed by April and May. March’s average wind speed of around 3.9 knots (4.5 MPH or 7.3 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early March where average top sustained speeds reach 8.3 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Karlovac.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 2.7 Barely noticeable 4.8 Light breeze
Feb 2.9 Barely noticeable 5.6 Light breeze
Mar 3.9 Barely noticeable 8 Light breeze
Apr 3.6 Barely noticeable 7.5 Gentle breeze
May 3.4 Barely noticeable 7 Light breeze
Jun 3.2 Barely noticeable 6.3 Light breeze
Jul 2.9 Barely noticeable 5.7 Light breeze
Aug 2.9 Barely noticeable 5.8 Light breeze
Sep 2.8 Barely noticeable 5.7 Light breeze
Oct 2.8 Barely noticeable 5.3 Light breeze
Nov 2.9 Barely noticeable 5.1 Light breeze
Dec 2.9 Barely noticeable 5 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 82.6%
Feb 76%
Mar 62.6%
Apr 58.7%
May 61.9%
Jun 62.1%
Jul 61%
Aug 64.5%
Sep 73%
Oct 78.8%
Nov 82.2%
Dec 85.3%


Is it Safe to Travel to Karlovac?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Croatia; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Karlovac, Croatia is July, followed by June and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Karlovac in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 41.7 in October means 41.7% of the tourists vs. July.



Overall Karlovac Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 75.2°F (24°C) and 50.7°F (10.4°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 9 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 6 to 7 days of precipitation per month. June – August is the busiest season for tourism in Karlovac, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 75.7°F (24.3°C) and 44.3°F (6.8°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Karlovac to be enjoyable for warm weather travelers. The average high during this season is between 52.1°F (11.2°C) and 38.7°F (3.7°C). On average, it rains or snows a fair amount: 7 to 8 times per month. These times of year are fairly slow with tourists.


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