August weather forecastBarcelona, Spain
August
Weather in August
August weather in Barcelona is almost identical to July, with high temperatures reaching 27.5°C (81.5°F) and lows at 22.1°C (71.8°F). The city witnesses a slight increase in rainfall, marking about 27mm (1.06") dispersed over 10.3 days. Despite the slight increase in rainfall, August sustains the heat of summer, with almost equivalent maximum temperatures as July. Tourists are attracted to the city's beautiful beaches, and the city continues to bustle with outdoor events and festivities. With the holiday mode in full swing, the Spanish city exudes a cheerful and vibrant ambience underscored by a dynamic summer night life.Temperature
August is the month when Barcelona's temperatures reach their peak, with averages of 27.5°C (81.5°F) and lows of 22.1°C (71.8°F).Heat index
August's heat index is appraised at a hot 30°C (86°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In August, the average relative humidity is 69%.Rainfall
In Barcelona, in August, during 10.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Barcelona, Spain, during the entire year, the rain falls for 117.9 days and collects up to 435mm (17.13") of precipitation.Snowfall
In Barcelona, snow does not fall in March through August, October through December.Sea temperature
With an average sea temperature of 25.3°C (77.5°F), August is the month with the warmest seawater in Barcelona.Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
In Barcelona, Spain, the average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 06:46 and sunset at 21:08. On the last day of the month, sunrise is at 07:17 and sunset at 20:25 CEST.
Sunshine
The average sunshine in August in Barcelona is 10.3h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Barcelona, Spain. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Barcelona, Spain
- Average high temperature in August: 27.5°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 August: 22.1°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 August
Barcelona, Spain
- Average pressure in August: 1016.3mbar
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 August
Barcelona, Spain
- Average wind speed in August: 9.3km/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 August
Barcelona, Spain
- Average humidity in August: 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 August
Barcelona, Spain
- Average rainfall in August: 27mm
The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in August
Barcelona, Spain
- Average rainfall days in August: 10.3 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 August
Barcelona, Spain
- Average snowfall in August: 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 August
Barcelona, Spain
- Average snowfall days in August: 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 August
Barcelona, Spain
- Average sea temperature in August: 25.3°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 August /
Average sunshine in August
Barcelona, Spain
- Average daylight in August: 13h and 48min
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 August: 10h and 18min
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 August
Barcelona, Spain
- Average sunshine days in August: 15.4 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 August
Barcelona, Spain
- Average UV index in August: 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 August
Barcelona, Spain
- Average cloud cover in August: 18
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 August
Barcelona, Spain
- 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).
