July weather forecast and climate
Barcelona, Spain

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

Weather in July

July, the same as June, is another warm summer month in Barcelona, Spain, with average temperature varying between 27.3°C (81.1°F) and 21.5°C (70.7°F).

Temperature

In July, the average high-temperature is relatively the same as in June - a still warm 27.3°C (81.1°F). The average low-temperature, in Barcelona, Spain, is 21.5°C (70.7°F).

Heat index

The average heat index in July is calculated to 29.3°C (84.7°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

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, Spain.

Sea temperature

In Barcelona, the average seawater temperature is 23.9°C (75°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.9°C (75°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 in Barcelona is 14.8h.

Sunshine

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

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in July in Barcelona?

The average high-temperature, in July, in Barcelona, is 27.3°C (81.1°F), while the average low-temperature is 21.5°C (70.7°F). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, is calculated to 29.3°C (84.7°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, Spain, 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.

What is the sea temperature in July in Barcelona?

In July, the average sea temperature in Barcelona, Spain, is 23.9°C (75°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.9°C (75°F) water.

How many hours of daylight does Barcelona have in July?

In Barcelona, the average length of the day in July is 14.8h.

What is the month with the most sunshine in Barcelona?

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

How long on average sun shines in July in Barcelona?

The average sunshine in July 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.

What is the UV index intensity in July in Barcelona?

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

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).

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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).

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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).

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Average humidity in July
Barcelona, Spain

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

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

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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).

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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).

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Average snowfall in July
Barcelona, Spain

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

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

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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).
Months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).

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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).

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

Average daylight in July / Average sunshine in July - Barcelona, Spain
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in July: 11.7h

Months with the most sunshine are June and July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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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).

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Average UV index in July
Barcelona, Spain

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

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

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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).

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Average visibility in July
Barcelona, Spain

Average visibility in July - Barcelona, Spain
  • Average visibility in July: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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