Climate and monthly weather forecastRovinj, Croatia
Climate and monthly weather forecast
The climate of Rovinj
Within the borders of the scenic Rovinj, Croatia, prevailing weather conditions adhere to the Köppen climate classification of Cfa, indicating a humid subtropical climate without a dry season. An understanding of this unique location can be facilitated by a detailed analysis of the average monthly weather conditions.Throughout the year, Rovinj experiences considerable variations in temperature, rainfall, and humidity. While the warmer months between June to August manage to reach high temperatures of 25.4°C (77.7°F) to 28.7°C (83.7°F), the colder months from December to February see reduced temperatures plunging to lows from 1.6°C (34.9°F) to 1.8°C (35.2°F). The humidity tends to hover around 70% to 82% and is slightly lower during summer. Rainfall demonstrates a more dynamic trend, with significant downpours noted during October and November, amassing rainfall measures of 97mm (3.82") and 98mm (3.86"), respectively. The least amount of rainfall is observed in July with 41mm (1.61").
A noteworthy aspect of Rovinj's climate is the absence of noticeable snowfall. The climatological data structures a climate profile with unique signatures, ranging from relatively hot and humid summer months to mild and rain-dominated winter months.
The best time to visit Rovinj
Based upon the variance in climatic parameters, the ideal time to visit Rovinj is arguably during the warmer months. The period from June to August offers an attractive blend of high temperatures, ranging from 25.4°C (77.7°F) to 28.7°C (83.7°F), and a substantial quantity of daylight, with the latter stretching from 14.9 hours to 15.6 hours per day. The relatively lower humidity between 67.7% to 70.7% promotes comfort, supplemented by the warm sea temperatures that go up to 23.1°C (73.6°F) to 25.2°C (77.4°F), ideal for water-based recreational activities.The worst time to visit Rovinj
Those preferring to avoid heavy rain might want to steer clear of Rovinj during the rainy period of October to November. This phase marks the highest monthly rainfall estimates with a whopping 97mm (3.82") to 98mm (3.86"), coupled with a higher number of rainy days, 9.8 and 10 respectively. The comparatively lower daylight presence, around 11 to 9.6 hours, and lower temperatures, often dropping to 10.2°C (50.4°F) and 14.4°C (57.9°F), add less appeal to the outdoor activities during this period.Spring weather in Rovinj
Spring in Rovinj comes with a welcome transformation in weather patterns. Commencing from March till May, temperatures gradually rise from a low of 4°C (39.2°F) to a high of 21.7°C (71.1°F). This period also experiences an increase in daylight hours from 11.9 to 14.9 hours per day, allowing travelers to make the most of their day. However, this period also brings a slight increase in the rainfall from 55mm (2.17") in March to 56mm (2.2") in May. The sea temperature rises from 10.7°C (51.3°F) to 18.3°C (64.9°F), signalling the approach of the warm summer season.Summer weather in Rovinj
The arrival of summer, spanning from June to August, conducts a massive shift in Rovinj's weather conditions. The temperatures usually escalate to a high range from 25.4°C (77.7°F) to 28.7°C (83.7°F). Sea temperature also witnesses an incline, with water temperature going up from 23.1°C (73.6°F) to 25.2°C (77.4°F). These warm conditions are accompanied by longer daylight duration, between 14.9 hours to 15.6 hours, and a comparatively lower humidity of around 67.7% to 70.7%.Autumn weather in Rovinj
As autumn seeps in, the weather in Rovinj from September to November witnesses a noticeable transition. The temperatures eventually decrease, moving from a high of 24.6°C (76.3°F) down to 14.4°C (57.9°F). The sea temperature also cools, fluctuating from 23.7°C (74.7°F) to 16.4°C (61.5°F). Along with these changes, rainfall starts to pick up, peaking in October and November with significant quantities of 97mm (3.82") and 98mm (3.86") respectively.Winter weather in Rovinj
The winter season from December to February brings Rovinj's temperatures down, registering lows of 1.6°C (34.9°F) to 1.8°C (35.2°F) and highs of 9.6°C (49.3°F) to 10.6°C (51.1°F). Accompanied by these chillier conditions are shorter daylight hours, reigning from 8.8 to 9.2 hours per day, combined with increased humidity from 78.9% to 82.1%. Despite a more pronounced influx of rainfall in these months, snowfall is nearly non-existent. Simultaneously, the sea temperature also drops down to 9.8°C (49.6°F) to 13.7°C (56.7°F), marking a more tranquil period in comparison to the hustle of summer months.Weather in January
The start of the year in Rovinj, Croatia commences with the weather characterized by some of the most relaxed high temperatures, with the mercury lingering from 1.8°C (35.2°F) to 9.6°C (49.3°F). Compared to the more tropical conditions of the following months, January's weather comes with a chill. Weather in January »Weather in February
Rovinj's weather transformation is subtle between January and February, with minimal change in temperature, humidity levels, and rainfall. Although still relatively chilly, February's weather brings about a slight increase in daylight hours compared to January. Weather in February »Weather in March
March in Rovinj marks the beginning of spring with a noticeable shift in its weather conditions. The city experiences a drop in humidity levels from February's 78.9% to March's 75.7% and an uptick in high temperatures to around 13.4°C (56.1°F), signaling the start of warmer days. Weather in March »Weather in April
In April, Rovinj’s weather becomes increasingly more conducive for outdoor activities. The temperatures continue their climb from the previous month, bringing in warmer days and perfect for exploring the city's cobbled streets and historic landmarks. Weather in April »Weather in May
May’s weather shows Rovinj, Croatia moving firmly into the warmth of late spring. Coming from the cooler month of April, May significantly raises the bar in terms of daily high temperatures. By the end of May, both day length and sunshine hours are on the rise, setting the tone for the incoming summer months. Weather in May »Weather in June
June’s weather in Rovinj signals the onset of the summer season with its rising temperatures and sun-drenched days. Compared to the previous month, June sees a significant decrease in rainfall from 72mm (2.83") down to 41mm (1.61") in July. Weather in June »Weather in July
In Rovinj, July's weather highlights the peak of summer with the city recording its maximum temperatures and UV index of the year. Temperatures reach their maximum high at 28.5°C (83.3°F), making it the hottest month of the year. Weather in July »Weather in August
As the final full month of summer, August’s weather continues the trend set by July with persistent high temperatures, while the relative humidity increases slightly compared to the preceding month. The increase in rainfall from 41mm (1.61") in July to 65mm (2.56") in August provides relief from the heat of the midsummer. Weather in August »Weather in September
September in Rovinj marks the start of the fall season, bringing with it a steady decline in temperature after the hot summer months. The city returns to its regular rhythm, with temperatures cooling down from August's peaks. Weather in September »Weather in October
October’s weather brings the Croatian autumn to Rovinj, with temperatures continuing their expected descent. Moving from the warm September to the cooler October, there's an evident decrease in daylight hours as evenings begin to draw in faster. Weather in October »Weather in November
Rovinj's weather in November continues its journey into the colder months with a further decrease in daytime temperature. While early November can still see mild, sunny days, by the end of the month, winter starts to make its presence felt. Weather in November »Weather in December
December's weather holds a chilly grip over Rovinj, rounding out the year with low temperatures and shorter daylight hours. Record low temperatures in December, with a low of 3.2°C (37.8°F), signify the arrival of winter. The daylight hours scale down from 9.6 hours in November to a more winter-like 8.8 hours in December. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Rovinj, January is the coldest month, with temperatures averaging a high of 9.6°C (49.3°F) and a low of 1.8°C (35.2°F).
With an average relative humidity of 82.1%, January is the most humid month in Rovinj.
Throughout the year, in Rovinj, there are 102.1 rainfall days, and 811mm (31.93") of precipitation is accumulated.
January through March are months with snowfall in Rovinj.
Throughout the year, in Rovinj, Croatia, there are 0.5 snowfall days.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Rovinj.
February has the most snowfall days of the year in Rovinj, Croatia. Snow falls for 0.3 days.
With an average sea temperature of 9.8°C (49.6°F), February is the month with the coldest seawater.
April through December are months without snowfall in Rovinj.
The month with the longest days in Rovinj, Croatia, is June, with an average of 15h and 36min of daylight.
June and July, with an average maximum UV index of 8, are months with the highest UV index in Rovinj, Croatia.
July is the least humid month in Rovinj, with an average relative humidity of 67.7%.
July is the month with the least rainfall in Rovinj, Croatia. Rain falls for 5.8 days and accumulates 41mm (1.61") of precipitation.
July has the most sunshine of the year in Rovinj, with an average of 10.6h of sunshine.
Rovinj's temperatures tend to reach their peak averages in August, with a high of 28.7°C (83.7°F) and a low of 17.2°C (63°F).
With an average sea temperature of 25.2°C (77.4°F), August is the month with the warmest seawater in Rovinj.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
November is the month with the most rainfall. Rain falls for 10 days and accumulates 98mm (3.86") of precipitation.
The month with the shortest days is December, with an average of 8h and 48min of daylight.
December has the least sunshine of the year in Rovinj, Croatia, with an average of 3h of sunshine.
Average temperature
Rovinj, Croatia
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (9.6°C).
The months with the highest average low temperature are July and August (17.2°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average humidity
Rovinj, Croatia
- Average humidity in January:
82.1% - Average humidity in February:
78.9% - Average humidity in March:
75.7% - Average humidity in April:
74.6% - Average humidity in May:
74.5% - Average humidity in June:
70.7%
- Average humidity in July:
67.7% - Average humidity in August:
70.3% - Average humidity in September:
76.3% - Average humidity in October:
79.6% - Average humidity in November:
80.4% - Average humidity in December:
81.1%
The month with the highest relative humidity is January (82.1%).
The month with the lowest relative humidity is July (67.7%).
Average rainfall
Rovinj, Croatia
- Average rainfall in January:
59.5mm - Average rainfall in February:
50.3mm - Average rainfall in March:
55mm - Average rainfall in April:
63.3mm - Average rainfall in May:
56.4mm - Average rainfall in June:
72.1mm
- Average rainfall in July:
40.7mm - Average rainfall in August:
64.5mm - Average rainfall in September:
83.1mm - Average rainfall in October:
97mm - Average rainfall in November:
98.3mm - Average rainfall in December:
71.2mm
The wettest month (with the highest rainfall) is November (98.3mm).
The driest month (with the least rainfall) is July (40.7mm).
Average rainfall days
Rovinj, Croatia
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
9.7 days - Average rainfall days in June:
9 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
6.6 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
10 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is April (10.5 days).
The month with the least rainy days is July (5.8 days).
Average snowfall days
Rovinj, Croatia
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature
Rovinj, Croatia
The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (9.8°C).
Average daylight / Average sunshine
Rovinj, 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 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - 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:
3h and 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
5h and 42min - Average sunshine in April:
6h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
7h and 42min - Average sunshine in October:
5h and 42min - Average sunshine in November:
3h and 36min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average UV index
Rovinj, Croatia
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
