City break

Cartagena weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

91

Holiday weather in July

Excellent

Best time to visit: March – November

What is the weather like in Cartagena in July?

In July, Cartagena is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 24.5 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Cartagena.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score1009188
Day26°28°29°
Night20°23°24°
Sea22°25°26°
Sun11 h11 h10 h
Rain days101

More details for July

Daylight
14 h 32 min06:54 – 21:26
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
26 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
16 %on averageAll months
Hot days
4 days30 °C or moreAll months
Time zone
UTC+2Europe/Madrid

How the score comes together

  • Temperatureweight 50 %83 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent

Cartagena in July: quick answers

Is Cartagena hot in July?

Yes. In July, Cartagena is hot: daytime highs average 28 °C and nights stay around 23 °C. On about 4 days the thermometer climbs to 30 °C or more.

Can you swim in Cartagena in July?

Yes. In July the sea averages 24.5 °C – pleasant for swimming.

Does it rain much in Cartagena in July?

It hardly ever rains.

Cartagena month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences