Climate and monthly weather forecastKarlovac, Croatia
Climate and monthly weather forecast
The climate of Karlovac
Identified under the Köppen climate classification system, Karlovac, Croatia sports a 'Cfb' climate type, defining it as a region of marine west coast with warm summers. Strategically situated, the city experiences a noticeable shift in climatological parameters throughout the year. The monthly average temperatures in Karlovac range from a brisk low of -2.4°C (27.7°F) during the coldest months to a toasty maximum of 28.4°C (83.1°F) at the height of summer.There is a wide change in humidity percentages as well, with a minimum of 70% in the driest month climbing up to 86% in seasons of elevated moisture. Karlovac is not spared from rainfall, with the volume of precipitation varying from 24mm (0.94") in drier times to a peak of 67mm (2.64") during wet spells. Snowfall is also a definite feature of Karlovac weather system, showcasing intriguing fluctuations from no snow to impressive depths of 97mm (3.82").
Wind speeds contribute notably to the character of Karlovac's climate, swinging between 5.8km/h (3.6mph) to 8.8km/h (5.5mph). Furthermore, averages of daylight hours, sunshine duration, cloud cover percentages, visibility distance and atmospheric pressure also add to the mix of weather elements that form the city's unique climatology.
The best time to visit Karlovac
Taking into account the climate parameters, the most pleasing period to explore Karlovac would be during the months of May to August. During this time, the average temperatures peak from 20.6°C (69.1°F) to 28.4°C (83.1°F). The daylight hours also increase, reaching up to 15.6 hours per day, offering substantial time to take in the sights. Alongside, the UV index shows a moderate rating, ensuring opportunities for sun-soaking without the risk of severe effects.The those venturing for outdoor activities, relish in the decline of precipitation from 67mm (2.64") to 45mm (1.77") during these months. Combining all these favorable elements together, endless opportunities for exploration and enjoyment can be experienced within this radiant Croatian city.
The worst time to visit Karlovac
The tricky part of the year, notably for traveler convenience and overall comfort in Karlovac, largely coincides with the winter season, precisely from December through February. During this time, the average temperatures sink as low as -2.4°C (27.7°F) and only rates high enough at 5.7°C (42.3°F). Low temperature combines with considerable snowfall reaching up to 97mm (3.82") to generate temperatures that may be quite intimidating for the unprepared travelers.Additionally, daylight hours constrict to as low as 8.8 hours daily, deflating the potential length of day trips or outdoor ventures. Considering these conditions, the winter months might demand more indoor-based activities or stronger resilience against the cold.
Spring weather in Karlovac
Spring in Karlovac is an emerging season, marked by a gradual increase in temperature from 4.3°C (39.7°F) in March to a warm 20.6°C (69.1°F) by the end of May. Concurrently, the daylight hours extend from 11.9 to 14.9 hours, activating a more lively pace in the local scenery. Simultaneously, there is an increase in relative humidity, from 76% in March to 78% in May.Despite the rain volume escalating from 26mm (1.02") in March to 67mm (2.64") in May, this does not significantly dampen the appeal of the season. Consequently, the increasing warmth and light during this period are encouraging shifts that attract visitors to the outdoors.
Summer weather in Karlovac
Summer in Karlovac manifests in temperatures rising up to a high of 28.4°C (83.1°F), and this heats up the city from June to August. Simultaneously, the reduced rainfall from 67mm (2.64") to 45mm (1.77") and an increase in daylight hours to a peak of 15.6 hours in June characterize this season.The UV index in summer does reach a high of 6, emphasizing the need for sun protection. While the relative humidity marginally drops during these months, the wind speed provides a gentle respite, setting a balance in the atmosphere. These months’ combined climatic conditions champion outdoor summer activities.
Autumn weather in Karlovac
September marks the beginning of Autumn in Karlovac, a season highlighted by comfortably cooler temperatures, decreasing from 21.8°C (71.2°F) to 6°C (42.8°F) by the end of November. Correspondingly, the decreasing daylight hours from 12.5 to 9.5 hours shape shorter daylight ventures. Over these months, rainfall makes a significant presence, with the volume teetering from 62mm (2.44") to 33mm (1.3"), while the relative humidity scales to a high of 85% in November.Despite the changing patterns, Autumn offers a charm of its own, seamlessly transitioning from a brisk summer to the sharper chill of winter.
Winter weather in Karlovac
Entering December, the Karlovac landscape presides under the grip of winter. During this season, temperature averages sway from 6°C (42.8°F) in early winter to -2.4°C (27.7°F) as February draws to a close. Daylight hours hover around the lower scale, with 8.8 to 9.2 hours lighting up the winter days.Notably, snowfall features prominently, with a peak at 97mm (3.82") in January. Concurrently, 85% relative humidity in December and February can potentially add to the perceived chill factor. However, the reduced wind speeds during these months to a low of 5.8km/h (3.6mph) in February ensure less wind chill and deliver a rather consistent winter experience in Karlovac.
Weather in January
January marks the beginning of year with a mix of wintry weather in Karlovac, Croatia. Daylight in this month is minimal, rendering it one of the darkest months. Snowfall, often up to 97mm (3.82"), can characterize January, contributing to the city's beauty. Weather in January »Weather in February
February still holds the wintry charm of January, yet it reveals slight transitions towards spring. Differences between January and February are marginal, yet a small decrease in snowfall is observed. The daytime temperature offers a slight hint of warmth, climbing to a maximum of 5.7°C (42.3°F) this month. Weather in February »Weather in March
March marks the arrival of the much-anticipated spring season, allowing the city to throw off the winter chill gradually. With the increasing maximum temperature of 11.6°C (52.9°F), nature begins to awaken, stirring new life in the parks and gardens of Karlovac. Weather in March »Weather in April
April steers the residents into a truly spring environment, featuring warming climates and longer, more pleasant days. This month continues the increasing daylight trend observed from March. On the other hand, April signals a noticeable cutback in snowfall days from March, affirming the arrival of spring in full swing. Weather in April »Weather in May
May witnesses the full bloom of spring, and temperature steadily increases in Karlovac leading to a maximum of 20.6°C (69.1°F). This month sees the humidity levels ramp up, creating a rather humid environment. May boasts a dramatic contrast from April in the rainfall regime, with the volume nearly tripling. Weather in May »Weather in June
June in Karlovac, Croatia, greets the arrival of summer, promising warm and long days. The climate jumps up the heat index, exhibiting the highest average UV index of 6. The length of daylight hits a peak this month with an average of 15.6 hours, the longest of the year. Weather in June »Weather in July
July establishes itself as the heart of summer in Karlovac, persisting with the warmth and sunshine. This month sets the stage for the warmest weather of the year, with the temperature soaring to 27.9°C (82.2°F). The level of rainfall remains relatively stable compared to June, with little variation in the amount. Weather in July »Weather in August
August maintains the summer’s charm with plenty of sunshine while also marking the transition towards the latter part of the year. This month shows a slight increase in maximum temperature from July, making it the warmest month. Weather in August »Weather in September
September introduces autumn to Karlovac, exhibiting a pronounced cooling trend and wrapped in the colors of fall. Moderate temperature drops from August indicate the commencement of the fall season. Regarding rainfall, September shows an increase compared to August, prompting the need for umbrellas in the city. Weather in September »Weather in October
October shows more signs of autumn in full force with a noticeable drop in temperature from the previous month. The rainfall pattern exhibits a slight decrease from that in September. Even though October brings cooler temperatures, there are still somewhat plenty of sunshine hours. Weather in October »Weather in November
November in Karlovac ushers in the pre-winter period, delivering a chill in the air. This month can be characterized by a decreasing trend in maximum temperatures from October. Snowfall returns this month after its absence since April. Weather in November »Weather in December
December in Karlovac embraces winter in all its glory with considerably shortened days and low temperatures. Snowfall increases in December as compared to November, blanketing the city in a lovely white layer. Contrarily, rainfall volume drops from November, leading to a decline in the city's precipitation. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Karlovac, Croatia
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (4.3°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure
Karlovac, Croatia
- Average pressure in January:
1018.5mbar - Average pressure in February:
1016.9mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1014.6mbar
- Average pressure in July:
1014.6mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1018.6mbar - Average pressure in November:
1016.6mbar - Average pressure in December:
1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).
Average wind speed
Karlovac, Croatia
- Average wind speed in January:
6.9km/h - Average wind speed in February:
7.9km/h - Average wind speed in March:
8.8km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
7.6km/h - Average wind speed in June:
6.8km/h
- Average wind speed in July:
6.2km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
6.1km/h - Average wind speed in October:
6.5km/h - Average wind speed in November:
6.7km/h - Average wind speed in December:
6.5km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity
Karlovac, Croatia
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Karlovac, Croatia
The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days
Karlovac, Croatia
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
7 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
10 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Karlovac, Croatia
The month with the highest snowfall is January (97mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Karlovac, Croatia
- Average snowfall days in January:
6 days - Average snowfall days in February:
4.9 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Karlovac, Croatia
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 0min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Karlovac, Croatia
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
20 days - Average sunshine days in April:
18.7 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
16.5 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
20 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is May (14.4 days).
Average UV index
Karlovac, Croatia
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Karlovac, Croatia
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Karlovac, Croatia
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).





