If you plan to visit Bilbao in August, the weather is typically alright, with an average high temperature of +73°F during the day and approximately 5 sunny days. Expect some rainy, though, as there are typically 15 rainy days in the month and around 58 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
August is usually the hottest month of the year in Bilbao;
Average weather
☀️
+73°F
Avg. max. temperature
+52°F
Min.
+104°F
Max.
58 mm
Total precipitation
76%
Avg. humidity
1 m/s
Avg. wind
5 ☀️
Sunny Days
9 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Bilbao has OK weather in August.
Average temperature in Bilbao in August
Here are the expected maximum, average and minimum temperatures in Bilbao for August based on the historical data.
Last Year
Historical Data
Going from a maximum of +93°F during the day to a minimum of +57°F during the night, the temperature in August averages around +81°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +81°F to +81°F.
Is Bilbao warm or cold in August?
Bilbao is typically warm in August.
Maximum temperatures go up compared to the previous month from +73°F to +73°F. The minimum temperature also goes up from +63°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Bilbao, here is the comparison with other months:
Climate in Bilbao in August
Bilbao weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+73°F
+73°F
+72°F
Min. temperature
+52°F
+52°F
+48°F
Max. temperature
+108°F
+104°F
+102°F
Rainfall
56 mm
58 mm
70 mm
Wind
2 m/s
1 m/s
2 m/s
Humidity
76%
76%
75%
Air pressure
1018 HPa
1017 HPa
1017 HPa
Sunny days
5
5
6
Cloudy days
9
9
8
Rainy days
15
15
15
Snowy days
0
0
0
August weather is still as ok as in July.The temperature levels stay the same in the area of +73°F for average maximum temperature during the day.Prepare for more rain. Average rainfall goes from 56 mm to 58 mm.Humidity levels don’t change as the month goes on, averaging around 76%.Winds are calmer in comparison to July, going down from 2 m/s to 1 m/s on average.The amount of sunny days stay about the same, averaging 5 sunny days during the month.
September brings much the same weather, it remains ok.
Wind speed in Bilbao in August based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Bilbao is gradually decreasing during August, going from 2 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in Bilbao based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in August, with total rainfall of approximately 93 mm. The maximum amount of rainfall per day is around 18 mm, which is considered light rain.August is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how August is compared with other months in the amount of precipitation, total mm:
Bilbao wettest month is November, where a typical day has a 60% chance of precipitation and 137 mm of rainfall per day. July, on the other hand, is the driest month with a mere 48% chance of precipitation and 56 mm of rainfall per day.
How was the weather last August in Bilbao?
This is the weather in Bilbao in August 2023:
1 August
☁️
+80°F
2 August
🌧️
+85°F
3 August
🌧️
+72°F
4 August
🌧️
+72°F
5 August
☀️
+77°F
6 August
☁️
+74°F
7 August
☀️
+76°F
8 August
☀️
+83°F
9 August
☀️
+88°F
10 August
☀️
+82°F
11 August
☀️
+84°F
12 August
🌧️
+79°F
13 August
☁️
+76°F
14 August
☁️
+79°F
15 August
☁️
+78°F
16 August
🌧️
+74°F
17 August
☁️
+82°F
18 August
☀️
+93°F
19 August
☀️
+88°F
20 August
☁️
+82°F
21 August
☀️
+85°F
22 August
☀️
+86°F
23 August
☀️
+94°F
24 August
☀️
+90°F
25 August
🌧️
+74°F
26 August
🌧️
+69°F
27 August
🌧️
+71°F
28 August
🌧️
+72°F
29 August
🌧️
+74°F
30 August
🌧️
+73°F
31 August
☀️
+81°F
In August 2023 Bilbao had 13 sunny days, 7 cloudy days, and 11 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +93°F and a minimum of +70°F. The average humidity was 81%, with a maximum of 98% and a minimum of 48%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change Over the Years
This is how Bilbao climate has changed over the last 43 years.
The climate in Bilbao in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+60°F) and the highest in 2014 (+70°F). The driest year was 1989 with only 772 mm of rainfall, and the wettest year was 2013 with 2159 mm.
FAQ
Frequently asked questions about the weather in Bilbao in August:
Is August a good time to visit Bilbao?
It’s always a good time to visit Bilbao, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Bilbao in August?
August is warm in Bilbao. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Bilbao rainy in August?
Bilbao is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Bilbao in August?
Usually, it’s not very sunny in Bilbao in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Bilbao, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.