August weather forecastBilbao, Spain
August
Weather in August
As temperatures continue to hover in the 20s°C, August remains a hot month in Bilbao. Despite the slight decline in mercury readings compared to July, the city’s warmth barely diminishes. The outdoor lifestyle thrives with locals and tourists flocking to the city’s beaches, parks, and markets. The later part of August sees the arrival of cooler evenings, a hint of the fall weather to come. As summer's finale, the month doesn't disappoint, offering an excellent climate for all forms of outdoor relaxation and entertainment.Temperature
The highest temperatures are recorded in August, with averages reaching a high of 23.3°C (73.9°F) and a low of 16.9°C (62.4°F).Humidity
The average relative humidity in August is 75%.Rainfall
In Bilbao, Spain, in August, it is raining for 15.3 days, with typically 33mm (1.3") of accumulated precipitation. In Bilbao, during the entire year, the rain falls for 198.1 days and collects up to 634mm (24.96") of precipitation.Snowfall
In Bilbao, snow does not fall in April through November.Sea temperature
With an average sea temperature of 21°C (69.8°F), August is the month with the warmest seawater in Bilbao, Spain.Note: A majority do not enjoy swimming in water at 21°C (69.8°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
The average length of the day in August in Bilbao is 13h and 55min.On the first day of August, sunrise is at 07:02 and sunset at 21:33. On the last day of the month, sunrise is at 07:35 and sunset at 20:48 CEST.
Sunshine
In August, the average sunshine is 8.5h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Bilbao. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Bilbao, Spain
- Average high temperature in August: 23.3°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in August: 16.9°C
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in August
Bilbao, Spain
- Average pressure in August: 1018mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in August
Bilbao, Spain
- Average wind speed in August: 9.9km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in August
Bilbao, Spain
- Average humidity in August: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Bilbao, Spain
- Average rainfall in August: 33mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in August
Bilbao, Spain
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is January (18.6 days).
The month with the least rainy days is October (12.7 days).
Average snowfall in August
Bilbao, Spain
- Average snowfall in August: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Bilbao, Spain
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in August
Bilbao, Spain
- Average sea temperature in August: 21°C
The best month for swimming (with the highest average sea temperature) is August (21°C).
The coldest months (with the lowest average sea temperature) are February and March (12°C).
Average daylight in August /
Average sunshine in August
Bilbao, Spain
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 8h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in August
Bilbao, Spain
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in August
Bilbao, Spain
- Average UV index in August: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in August
Bilbao, Spain
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 34).
Average visibility in August
Bilbao, Spain
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
