July weather forecast
Barcelona, Spain

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The artistic Park Gull designed by Gaudi in Barcelona, Spain
The artistic Park Gull designed by Gaudi in Barcelona, Spain

Weather in July

July is the warmest month for Barcelona, Spain, with temperatures reaching a high of 27.3°C (81.1°F) and a low of 21.5°C (70.7°F). The city receives the least amount of rainfall with a recorded low of 20mm (0.79") across 7.9 days. With the peak of the summer season, the days in the city are defined by hot temperatures, maximum daylight hours, and the least amount of expected rainfall. It is advisable to stay hydrated and take the requisite precautions against UV radiation during this time. A dip in the warm sea while soaking up the bright Spanish sun becomes a favored activity among both locals and visitors.

Temperature

The advent of July brings an average high-temperature of a still warm 27.3°C (81.1°F), almost identical to the preceding month. During July, the average low-temperature is a pleasant 21.5°C (70.7°F).

Heat index

July's average heat index is appraised at 29°C (84.2°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In July, the average relative humidity is 69%.

Rainfall

In Barcelona, in July, during 7.9 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Barcelona, during the entire year, the rain falls for 117.9 days and collects up to 435mm (17.13") of precipitation.

Snowfall

March through August, October through December are months without snowfall in Barcelona.

Sea temperature

In Barcelona, the average seawater temperature in July is 23.9°C (75°F).
Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 23.9°C (75°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).

Daylight

In Barcelona, the average length of the day in July is 14h and 49min.
On the first day of July, sunrise is at 06:21 and sunset at 21:28. On the last day of the month, sunrise is at 06:45 and sunset at 21:09 CEST.

Sunshine

June and July, with an average of 11.7h of sunshine, are months with the most sunshine in Barcelona, Spain.

UV index

The months with the highest UV index in Barcelona are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.

Frequently asked questions

What are the temperatures in Barcelona in July?

In Barcelona, 27.3°C (81.1°F) is the average high-temperature and 21.5°C (70.7°F) is the average low-temperature during July. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 29°C (84.2°F).

What is the average humidity in July in Barcelona?

In July, the average relative humidity in Barcelona is 69%.

How much does it rain in Barcelona in July?

In Barcelona, in July, during 7.9 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

When it does not snow in Barcelona?

In Barcelona, Spain, snow does not fall in March through August, October through December.

How warm is the water in July in Barcelona?

In Barcelona, Spain, the average seawater temperature in July is 23.9°C (75°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.9°C (75°F) water may be enjoyable.

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

In July, the average day length in Barcelona, Spain, is 14h and 49min.

What time are sunrise and sunset in July in Barcelona?

In July, on the first day of the month, sunrise is at 06:21 and sunset at 21:28. On the last day of the month, in Barcelona, sunrise is at 06:45 and sunset at 21:09 CEST.

What are the months with the most sunshine in Barcelona?

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

How many hours of sunshine does Barcelona have in July?

In July, the average sunshine duration in Barcelona is 11.7h.

When is the highest UV index in Barcelona?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Barcelona, Spain.

What is the UV index intensity in July in Barcelona?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 July
Barcelona, Spain

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

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (12.4°C).

  • Average low temperature in July: 21.5°C

The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).

Average pressure in July
Barcelona, Spain

Average pressure in July - Barcelona, Spain
  • Average pressure in July: 1015.9mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

Average wind speed in July
Barcelona, Spain

Average wind speed in July - Barcelona, Spain
  • Average wind speed in July: 9.6km/h

The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in July
Barcelona, Spain

Average humidity in July - Barcelona, Spain
  • Average humidity in July: 69%

The months with the highest relative humidity are April and October (72%).
The months with the lowest relative humidity are February, June and November (68%).

Average rainfall in July
Barcelona, Spain

Average rainfall in July - Barcelona, Spain
  • Average rainfall in July: 20mm

The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in July
Barcelona, Spain

Average rainfall days in July - Barcelona, Spain
  • Average rainfall days in July: 7.9 days

The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is December (6.4 days).

Average snowfall in July
Barcelona, Spain

Average snowfall in July - Barcelona, Spain
  • Average snowfall in July: 0mm

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

Average snowfall days in July
Barcelona, Spain

Average snowfall days in July - Barcelona, Spain
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).

Average sea temperature in July
Barcelona, Spain

Average sea temperature in July - Barcelona, Spain
  • Average sea temperature in July: 23.9°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

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

Average daylight in July / Average sunshine in July - Barcelona, Spain
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 11h and 4min

The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in July
Barcelona, Spain

Average sunshine days in July - Barcelona, Spain
  • Average sunshine days in July: 20.2 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is September (12.3 days).

Average UV index in July
Barcelona, Spain

Average UV index in July - Barcelona, Spain
  • Average UV index in July: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in July
Barcelona, Spain

Average cloud cover in July - Barcelona, Spain
  • Average cloud cover in July: 16

The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in July
Barcelona, Spain

Average visibility in July - Barcelona, 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).

Barcelona, Spain

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