Bilbao weather in August
Bilbao in August averages 21°C (70°F), 53 mm of rain and 5.7 hours of sun a day.
Of the twelve months in Bilbao, August is the warmest, the driest and the fourth sunniest.
- Average temp
- 21°C (70°F)
16–26°C · 61–79°F
- Rainfall
- 53 mm
Showers likely
- Sunshine
- 5.7 h
hours per day
What is Bilbao like in August?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Bilbao in August?
A light rain jacket
About 53 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 10°C between its low and its high.
August compared with July and September
August in Bilbao is 0.6°C warmer than July and about as wet as it, which averages 21°C (69°F).
August in Bilbao is 2°C warmer than September and 22 mm drier than it, which averages 19°C (67°F).
Daylight in Bilbao in August
On 15 August the sun is up for 13 hours 56 minutes in Bilbao, rising about 07:17 and setting about 21:14 local time.
August ends 1 hour 18 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 27 minutes short of June, the longest-lit month here.
Where to stay in Bilbao
Dates are a starting point for August.
Travel guides for Bilbao
What to read before you book.
Bilbao weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 9°C / 49°F | 131 mm |
| February | 10°C / 49°F | 108 mm |
| March | 12°C / 53°F | 98 mm |
| April | 13°C / 56°F | 96 mm |
| May | 16°C / 61°F | 76 mm |
| June | 19°C / 65°F | 58 mm |
| July | 21°C / 69°F | 54 mm |
| August | 21°C / 70°F | 53 mm |
| September | 19°C / 67°F | 75 mm |
| October | 17°C / 62°F | 112 mm |
| November | 13°C / 55°F | 170 mm |
| December | 10°C / 50°F | 124 mm |
Check another month
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FAQs about Bilbao in August
August climate averages for Bilbao, 1991–2020.
Bilbao averages 21°C (70°F) in August, ranging from about 16°C (61°F) at night to 26°C (79°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 53 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
Yes. August averages 21°C (70°F) against 19°C (67°F) in September — 2°C warmer.
August is 0.6°C warmer than July, and about as wet.
Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 5.7 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 56 minutes of daylight in mid-August, against 15 hours 23 minutes in June and 9 hours in December.
On 15 August, sunrise is about 07:17 and sunset about 21:14 local time. Both shift across the month — the month ends 1 hour 18 minutes shorter than it starts.
