July weather forecast
Cartagena, Spain

The Roman amphitheater in Cartagena, Spain, with more buildings and distant mountains in the background
The Roman amphitheater in Cartagena, Spain, with more buildings and distant mountains in the background

Weather in July

July, like June, in Cartagena, Spain, is another warm summer month, with an average temperature varying between 27.3°C (81.1°F) and 23.5°C (74.3°F).

Temperature

In July, the average high-temperature is essentially the same as in June - a still moderately hot 27.3°C (81.1°F). In Cartagena, Spain, in July, the average low-temperature is 23.5°C (74.3°F).

Heat index

The average heat index in July is calculated to be 29.5°C (85.1°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in July in Cartagena is 71%.

Rainfall

The month with the least rainfall is July, when the rain falls for 2.3 days and typically collects 3mm (0.12") of precipitation.

Sea temperature

In July, the average sea temperature in Cartagena is 24.8°C (76.6°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.8°C (76.6°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in July in Cartagena is 14h and 28min.
On the first day of July, sunrise is at 06:46 and sunset at 21:29. On the last day of the month, sunrise is at 07:07 and sunset at 21:13 CEST.

Sunshine

The average sunshine in July in Cartagena is 11.4h.

UV index

The months with the highest UV index in Cartagena are July and August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in July in Cartagena?

In Cartagena, Spain, in July, the average high-temperature is 27.3°C (81.1°F), and the average low-temperature is 23.5°C (74.3°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 29.5°C (85.1°F).

What is the average humidity in July in Cartagena?

In Cartagena, Spain, the average relative humidity in July is 71%.

What is the driest month in Cartagena?

The month with the least rainfall in Cartagena is July, when the rain falls for 2.3 days and typically collects 3mm (0.12") of precipitation.

How many days does it rain in July in Cartagena?

In Cartagena, Spain, during July, the rain falls for 2.3 days and regularly aggregates up to 3mm (0.12") of precipitation.

How warm is the water in July in Cartagena?

In July, the average sea temperature in Cartagena, Spain, 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 Cartagena have in July?

In July, the average day length in Cartagena is 14h and 28min.

When are sunrise and sunset in July in Cartagena?

In July, on the first day of the month, sunrise is at 06:46 and sunset at 21:29. On the last day of the month, sunrise is at 07:07 and sunset at 21:13 CEST.

How many hours of sunshine does Cartagena have in July?

In Cartagena, the average sunshine duration in July is 11.4h.

What is the month with the highest UV index in Cartagena?

The months with the highest UV index are July and August, with an average maximum UV index of 7.

What is the UV index intensity in July in Cartagena?

In July, the average daily maximum UV index in Cartagena is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in July
Cartagena, Spain

Average temperature in July - Cartagena, Spain
  • Average high temperature in July: 27.3°C

The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (15.2°C).

  • Average low temperature in July: 23.5°C

The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is February (11.2°C).

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Average pressure in July
Cartagena, Spain

Average pressure in July - Cartagena, Spain
  • Average pressure in July: 1015.1mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).

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Average wind speed in July
Cartagena, Spain

Average wind speed in July - Cartagena, Spain
  • Average wind speed in July: 13km/h

The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is October (12.3km/h).

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Average humidity in July
Cartagena, Spain

Average humidity in July - Cartagena, Spain
  • Average humidity in July: 71%

The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is November (65%).

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Average rainfall in July
Cartagena, Spain

Average rainfall in July - Cartagena, Spain
  • Average rainfall in July: 3mm

The wettest month (with the highest rainfall) is September (37mm).
The driest month (with the least rainfall) is July (3mm).

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Average rainfall days in July
Cartagena, Spain

Average rainfall days in July - Cartagena, Spain
  • Average rainfall days in July: 2.3 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is July (2.3 days).

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Average sea temperature in July
Cartagena, Spain

Average sea temperature in July - Cartagena, Spain
  • Average sea temperature in July: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).

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Average daylight in July /
Average sunshine in July
Cartagena, Spain

Average daylight in July / Average sunshine in July - Cartagena, Spain
  • Average daylight in July: 14h and 28min

The month with the longest days is June (Average daylight: 14h and 43min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in July: 11h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in July
Cartagena, Spain

Average sunshine days in July - Cartagena, Spain
  • Average sunshine days in July: 27.9 days

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is April (20.7 days).

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Average UV index in July
Cartagena, Spain

Average UV index in July - Cartagena, Spain
  • Average UV index in July: 7

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in July
Cartagena, Spain

Average cloud cover in July - Cartagena, Spain
  • Average cloud cover in July: 9

The months with the most cloud cover are March, April and December (Cloud cover 26).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in July
Cartagena, Spain

Average visibility in July - Cartagena, Spain
  • 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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