Opatija
Croatia
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Opatija, Croatia

July is a moderately hot summer month in Opatija, Croatia, with average temperature varying between 25°C (77°F) and 13°C (55.4°F).

Temperature

The warmest months are July and August, with an average high-temperature of 25°C (77°F).

Rainfall

The month with the least rainfall is July when the rain falls for 13 days and typically collects 88mm (3.46") of precipitation.

Sea temperature

In Opatija, the average seawater temperature in July is 24.8°C (76.6°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In July, the average length of the day is 15.3h.

Sunshine

With an average of 9h of sunshine, July has the most sunshine of the year in Opatija.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in Opatija?

July and August, with an average high-temperature of 25°C (77°F), are warmest months in Opatija.

What is the temperature in July in Opatija?

In Opatija, in July, the average high-temperature is 25°C (77°F), and the average low-temperature is 13°C (55.4°F).

How much does it rain in Opatija in July?

In July, in Opatija, the rain falls for 13 days. Throughout July, 88mm (3.46") of precipitation is accumulated.

What is the driest month in Opatija?

July is the month with the least rainfall in Opatija, Croatia. Rain falls for 13 days and accumulates 88mm (3.46") of precipitation.

How warm is the water in July in Opatija?

In July, the average sea temperature in Opatija is 24.8°C (76.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water.

What is the average length of the day in July in Opatija?

In Opatija, the average length of the day in July is 15.3h.

What month has the most sunshine in Opatija?

With an average of 9h of sunshine, July has the most sunshine of the year in Opatija, Croatia.

How long on average sun shines in July in Opatija?

The average sunshine in July is 9h.

What are the months with the highest UV index in Opatija?

Months with the highest UV index are June and July, with an average maximum UV index of 8.

How high is the UV index in July in Opatija?

In Opatija, Croatia, the average daily maximum UV index in July is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in July - Opatija, Croatia
  • Average high temperature in July: 25°C

Warmest months (with the highest average high temperature) are July and August (25°C).
Months with the lowest average high temperature are January and February (6°C).

  • Average low temperature in July: 13°C

Months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average rainfall in July - Opatija, Croatia
  • Average rainfall in July: 88mm

The wettest month (with the highest rainfall) is November (178mm).
The driest month (with the lowest rainfall) is July (88mm).

Average rainfall days in July - Opatija, Croatia
  • Average rainfall days in July: 13 days

Months with the highest number of rainy days are April, May and June (16 days).
Months with the lowest number of rainy days are February, July, August, September and October (13 days).

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).

Average daylight in July / Average sunshine in July - Opatija, Croatia
  • Average daylight in July: 15.3h

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

  • Average sunshine in July: 9h

The month with most sunshine is July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in July - Opatija, Croatia
  • Average UV index in July: 8

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).