July weather forecast
Opatija, Croatia

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Weather in July

July in Opatija is characterized by truly summer-like conditions. Visitors during this time can expect warm and relatively dry weather, ideal for enjoying the picturesque surroundings. The sea temperature peaks, providing the perfect conditions for indulging in water sports and swimming. Length of daylight starts to decrease slightly, despite being in the midst of summer. Unsurprisingly, the highest temperature of the year is recorded in July, soaring to 26.5°C (79.7°F).

Temperature

July's presence records an average high-temperature of a still moderately hot 26.5°C (79.7°F), closely mirroring June's climate. Night temperatures during July in Opatija stabilize at an average of 21.8°C (71.2°F), closely mirroring the daytime temperatures.

Humidity

In Opatija, the average relative humidity in July is 67%.

Rainfall

In July, the rain falls for 13.7 days. Throughout July, 59mm (2.32") of precipitation is accumulated. In Opatija, Croatia, during the entire year, the rain falls for 157.3 days and collects up to 720mm (28.35") of precipitation.

Snowfall

January, April through November are months without snowfall.

Sea temperature

In Opatija, Croatia, the average seawater temperature in July is 24.8°C (76.6°F).
Note: Swimming in 24.8°C (76.6°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.

Daylight

In July, the average length of the day is 15h and 15min.
On the first day of July in Opatija, sunrise is at 05:18 and sunset at 20:54. On the last day of the month, sunrise is at 05:46 and sunset at 20:31 CEST.

Sunshine

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

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In July, the maximum UV index of 7 suggests this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice! The Sun's UV exposure elevates with sand and water reflections.
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Frequently asked questions

What is the usual temperature for Opatija in July?

The high-temperature, in July, in Opatija, records 26.5°C (79.7°F), while the low-temperature is 21.8°C (71.2°F).

What is the average humidity in July in Opatija?

The average relative humidity in July is 67%.

How many days does it rain in July in Opatija?

In Opatija, during July, the rain falls for 13.7 days and regularly aggregates up to 59mm (2.32") of precipitation.

When it does not snow in Opatija?

In Opatija, Croatia, snow does not fall in January, April through November.

What is the sea temperature in July in Opatija?

In Opatija, Croatia, the average seawater temperature in July is 24.8°C (76.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

How many hours of daylight does Opatija have in July?

The average day length in July in Opatija, Croatia, is 15h and 15min.

What time are sunrise and sunset in July in Opatija?

In July, on the first day of the month, sunrise is at 05:18 and sunset at 20:54. On the last day of the month, in Opatija, sunrise is at 05:46 and sunset at 20:31 CEST.

What are the months with the most sunshine in Opatija?

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

How long on average sun shines in July in Opatija?

The average sunshine duration in July in Opatija, Croatia, is 11.7h.

When is the highest UV index in Opatija?

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

What is the UV index reading in July in Opatija?

In Opatija, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Opatija, Croatia

Average temperature in July - Opatija, Croatia
  • Average high temperature in July: 26.5°C

The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in July: 21.8°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).

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Average pressure in July
Opatija, Croatia

Average pressure in July - Opatija, Croatia
  • Average pressure in July: 1014.3mbar

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 in July
Opatija, Croatia

Average wind speed in July - Opatija, Croatia
  • Average wind speed in July: 10.9km/h

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 in July
Opatija, Croatia

Average humidity in July - Opatija, Croatia
  • Average humidity in July: 67%

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 in July
Opatija, Croatia

Average rainfall in July - Opatija, Croatia
  • Average rainfall in July: 59mm

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 in July
Opatija, Croatia

Average rainfall days in July - Opatija, Croatia
  • Average rainfall days in July: 13.7 days

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 in July
Opatija, Croatia

Average snowfall in July - Opatija, Croatia
  • Average snowfall in July: 0mm

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

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Average snowfall days in July
Opatija, Croatia

Average snowfall days in July - Opatija, Croatia
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The 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 in July
Opatija, Croatia

Average sea temperature in July - Opatija, Croatia
  • Average sea temperature in July: 24.8°C

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 in July /
Average sunshine in July
Opatija, Croatia

Average daylight in July / Average sunshine in July - Opatija, Croatia
  • Average daylight in July: 15h and 2min

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 July: 11h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

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Average sunshine days in July
Opatija, Croatia

Average sunshine days in July - Opatija, Croatia
  • Average sunshine days in July: 12.8 days

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 UV index in July
Opatija, Croatia

Average UV index in July - Opatija, Croatia
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in July
Opatija, Croatia

Average cloud cover in July - Opatija, Croatia
  • Average cloud cover in July: 18

The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in July
Opatija, Croatia

Average visibility in July - Opatija, Croatia
  • Average visibility in July: 10km

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

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Opatija, Croatia

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