August weather forecast
Opatija, Croatia

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Weather in August

The weather in August continues the full swing of summer in Opatija. The humidity dips a bit, offering some respite from the high temperatures. However, the sea temperature sustains its high range, ensuring an excellent beach experience. Despite the decrease in daylight hours, the UV index remains relatively high. The temperature reaches its zenith, with a high of 26.9°C (80.4°F), marking August as the hottest month in the year.

Temperature

With its high average temperature of 26.9°C (80.4°F) and a low of 22.4°C (72.3°F), August is regarded as the warmest month.

Humidity

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

Rainfall

In Opatija, in August, it is raining for 11.1 days, with typically 57mm (2.24") of accumulated precipitation. In Opatija, Croatia, during the entire year, the rain falls for 157.3 days and collects up to 720mm (28.35") of precipitation.

Snowfall

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

Sea temperature

The month with the warmest seawater in Opatija is August, with an average sea temperature of 24.9°C (76.8°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24.9°C (76.8°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In August, the average length of the day in Opatija is 14h and 4min.
On the first day of the month, sunrise is at 05:47 and sunset at 20:30. On the last day of August, sunrise is at 06:23 and sunset at 19:42 CEST.

Sunshine

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

UV index

The average daily maximum UV index in August in Opatija is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the UV index of 6 transforms into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection of sand and water increases the UV dose.
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Frequently asked questions

What time of the year is the hottest in Opatija?

In Opatija, August is known for its average highest temperatures, reaching a high of 26.9°C (80.4°F) and a low of 22.4°C (72.3°F).

What are the temperatures in Opatija in August?

Opatija in August has 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 in Opatija, Croatia, is August, with an average relative humidity of 66%.

What is the average humidity in August in Opatija?

In Opatija, Croatia, the average relative humidity in August is 66%.

How much does it rain in Opatija in August?

In August, in Opatija, the rain falls for 11.1 days. Throughout August, 57mm (2.24") of precipitation is accumulated.

When it does not snow in Opatija?

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

What month is the sea warmest in Opatija?

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

How warm is the water in August in Opatija?

In Opatija, the average seawater temperature in August is 24.9°C (76.8°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.9°C (76.8°F) water.

How many hours of daylight does Opatija have in August?

In August, the average day length is 14h and 4min.

When is the sunrise / sunset in August in Opatija?

In August, on the first day of the month, sunrise is at 05:47 and sunset at 20:30. On the last day of the month, in Opatija, Croatia, sunrise is at 06:23 and sunset at 19:42 CEST.

What is the month with the most sunshine in Opatija?

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

How many hours of sunshine does Opatija have in August?

The average sunshine duration in August is 11.7h.

What is the UV index reading in August in Opatija?

In Opatija, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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 August
Opatija, Croatia

Average temperature in August - Opatija, Croatia
  • Average high temperature in August: 26.9°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 August: 22.4°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 August
Opatija, Croatia

Average pressure in August - Opatija, Croatia
  • Average pressure in August: 1015.3mbar

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 August
Opatija, Croatia

Average wind speed in August - Opatija, Croatia
  • Average wind speed in August: 11km/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 August
Opatija, Croatia

Average humidity in August - Opatija, Croatia
  • Average humidity in August: 66%

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 August
Opatija, Croatia

Average rainfall in August - Opatija, Croatia
  • Average rainfall in August: 57mm

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 August
Opatija, Croatia

Average rainfall days in August - Opatija, Croatia
  • Average rainfall days in August: 11.1 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 August
Opatija, Croatia

Average snowfall in August - Opatija, Croatia
  • Average snowfall in August: 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 August
Opatija, Croatia

Average snowfall days in August - Opatija, Croatia
  • Average snowfall days in August: 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 August
Opatija, Croatia

Average sea temperature in August - Opatija, Croatia
  • Average sea temperature in August: 24.9°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 August /
Average sunshine in August
Opatija, Croatia

Average daylight in August / Average sunshine in August - Opatija, Croatia
  • Average daylight in August: 14h and 1min

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 August: 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 August
Opatija, Croatia

Average sunshine days in August - Opatija, Croatia
  • Average sunshine days in August: 17.4 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 August
Opatija, Croatia

Average UV index in August - Opatija, Croatia
  • Average UV index in August: 6

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 August
Opatija, Croatia

Average cloud cover in August - Opatija, Croatia
  • Average cloud cover in August: 16

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 August
Opatija, Croatia

Average visibility in August - Opatija, Croatia
  • Average visibility in August: 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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