Monthly weather forecast and climate
Opatija, Croatia

Weather in January

January, like December, is another chilly winter month in Opatija, Croatia, with average temperature ranging between min 5.6°C (42.1°F) and max 8.5°C (47.3°F). With an average high-temperature of 8.5°C (47.3°F) and an average low-temperature of 5.6°C (42.1°F), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Opatija, is another chilly month, with average temperature fluctuating between 9°C (48.2°F) and 6°C (42.8°F). In Opatija, the average high-temperature in February is almost the same as in January - a still frosty 9°C (48.2°F). Weather in February »

Weather in March

March, the first month of the spring, in Opatija, is a cool month, with average temperature ranging between min 8.4°C (47.1°F) and max 11.8°C (53.2°F). In March, the average high-temperature is practically the same as in February - a cool 11.8°C (53.2°F). Weather in March »

Weather in April

April in Opatija, Croatia, is a moderate spring month, with average temperature ranging between min 12°C (53.6°F) and max 15.4°C (59.7°F). In Opatija, Croatia, the average high-temperature marginally rises, from a fresh 11.8°C (53.2°F) in March, to a moderate 15.4°C (59.7°F). Weather in April »

Weather in May

May, the last month of the spring, in Opatija, is an enjoyable month, with average temperature varying between 19°C (66.2°F) and 15°C (59°F). In May, the average high-temperature slightly increases, from a moderate 15.4°C (59.7°F) in April, to an enjoyable 19°C (66.2°F). Weather in May »

Weather in June

June, the first month of the summer, in Opatija, is a warm month, with average temperature fluctuating between 23.8°C (74.8°F) and 19.4°C (66.9°F). In June, the average high-temperature slightly increases, from an enjoyable 19°C (66.2°F) in May, to a warm 23.8°C (74.8°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Opatija, Croatia, with average temperature ranging between max 26.5°C (79.7°F) and min 21.8°C (71.2°F). In Opatija, the average high-temperature is almost the same as in June - a still moderately hot 26.5°C (79.7°F). Weather in July »

Weather in August

August, the last month of the summer, in Opatija, is also a moderately hot month, with average temperature fluctuating between 22.4°C (72.3°F) and 26.9°C (80.4°F). August is the warmest month, with an average high-temperature of 26.9°C (80.4°F) and an average low-temperature of 22.4°C (72.3°F). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Opatija, Croatia, with average temperature ranging between max 22.5°C (72.5°F) and min 18.9°C (66°F). In September, the average high-temperature slightly decreases, from a moderately hot 26.9°C (80.4°F) in August, to an agreeable 22.5°C (72.5°F). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Opatija, Croatia, with temperature in the range of an average high of 18°C (64.4°F) and an average low of 14.5°C (58.1°F). In October, the average high-temperature marginally drops, from an agreeable 22.5°C (72.5°F) in September, to an enjoyable 18°C (64.4°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Opatija, Croatia, with average temperature ranging between max 13.7°C (56.7°F) and min 11.1°C (52°F). In November, the average high-temperature slightly decreases, from a comfortable 18°C (64.4°F) in October, to a mild 13.7°C (56.7°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Opatija, Croatia, with average temperature ranging between max 10°C (50°F) and min 7.2°C (45°F). In December, the average high-temperature marginally drops, from a mild 13.7°C (56.7°F) in November, to a cool 10°C (50°F). Weather in December »
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FAQ

What is the coldest month in Opatija?

The coldest month in Opatija is January, with an average high-temperature of 8.5°C (47.3°F) and an average low-temperature of 5.6°C (42.1°F).

How many days does it rain in Opatija?

In Opatija, during the entire year, the rain falls for 157.3 days and collects up to 720mm (28.35") of precipitation.

What is the driest month in Opatija?

January is the month with the least rainfall. Rain falls for 11.4 days and accumulates 35mm (1.38") of precipitation.

How many days does it snow in Opatija?

Throughout the year, there are 1.1 snowfall days, and 3mm (0.12") of snow is accumulated.

When it does not snow in Opatija?

January, April through November are months without snowfall.

What is the month with the least sunshine in Opatija?

Months with the least sunshine are January and December, with an average of 5.3h of sunshine.

When is the lowest UV index in Opatija?

January is the month with the lowest UV index, with an average maximum UV index of 2.

When does it snow in Opatija?

February, March and December are months with snowfall in Opatija, Croatia.

When does it snow the most in Opatija?

Months with the most snowfall in Opatija are February, March and December, with an average 1mm (0.04") of accumulated snow.

What month is the sea coldest in Opatija?

With an average sea temperature of 10.7°C (51.3°F), February is the month with the coldest seawater in Opatija.

When are the longest days in Opatija?

June has the longest days of the year, with an average of 15.6h of daylight.

What are the months with the most sunshine in Opatija?

July and August, with an average of 11.7h of sunshine, are months with the most sunshine in Opatija.

When is the highest UV index in Opatija?

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the warmest month in Opatija?

The warmest month in Opatija is August, with an average high-temperature of 26.9°C (80.4°F) and an average low-temperature of 22.4°C (72.3°F).

What is the least humid month in Opatija?

The least humid month is August, with an average relative humidity of 66%.

What is the month with the warmest sea water in Opatija?

August is the month with the warmest seawater in Opatija, Croatia, with an average sea temperature of 24.9°C (76.8°F).

What is the most humid month in Opatija?

The most humid month in Opatija, Croatia, is November, with an average relative humidity of 76%.

What is the rainiest month in Opatija?

November is the month with the most rainfall in Opatija, Croatia. Rain falls for 15.1 days and accumulates 89mm (3.5") of precipitation.

What is the month with the shortest days in Opatija?

December has the shortest days of the year in Opatija, with an average of 8.8h of daylight.

Average pressure
Opatija, Croatia

Average pressure - Opatija, Croatia

The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).

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Average wind speed
Opatija, Croatia

Average wind speed - Opatija, Croatia

The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).

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Average humidity
Opatija, Croatia

Average humidity - Opatija, Croatia

The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (66%).

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Average rainfall
Opatija, Croatia

Average rainfall - Opatija, Croatia

The wettest month (with the highest rainfall) is November (89mm).
The driest month (with the least rainfall) is January (35mm).

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Average rainfall days
Opatija, Croatia

Average rainfall days - Opatija, Croatia

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (11.1 days).

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Average snowfall
Opatija, Croatia

Average snowfall - Opatija, Croatia

Months with the highest snowfall are February, March and December (1mm).
Months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days
Opatija, Croatia

Average snowfall days - Opatija, Croatia

The month with the highest number of snowfall days is February (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature
Opatija, Croatia

Average sea temperature - Opatija, Croatia

The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (10.7°C).

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Average daylight / Average sunshine
Opatija, Croatia

Average daylight / Average sunshine - Opatija, Croatia

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

Months with the most sunshine are July and August (Average sunshine: 11.7h).
Months with the least sunshine are January and December (Average sunshine: 5.3).

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Average sunshine days
Opatija, Croatia

Average sunshine days - Opatija, Croatia

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is May (9.9 days).

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Average visibility
Opatija, Croatia

Average visibility - Opatija, Croatia

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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