The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Bilbao Weather in August

Bilbao in August

The short of it: Bilbao in August averages a high of 26 °C (80 °F) and a low of 16 °C (60 °F), with 73 mm (2.9 in) of rain and about 13 h 56 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 26° · low 16° · rain 73 mm · daylight 13 h 56 min

✦✦✦ Fair for a visit · best months: June & September

Thirty years of records give Bilbao an average August high of 26°, a low of 16° and some 73 mm of rain. The height of summer in Bilbao, with afternoons near 26°. Wet spells are common — about 73 mm, the 9th wettest month.

The sun is up for about 13 h 56 min in mid-August, 68 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates August 3 of 5 for a visit; the finest months here are June and September.

Against its neighbours, Bilbao runs about middling and about as wet in August. Santutxu, 1 km to the SE, sees much the same highs.

August in Bilbao, by the numbers

Warmth rank
1st warmest of 12
Rain rank
9th wettest of 12
Versus July
1° warmer, 22 mm more rain
Versus September
2° warmer
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
13 h 56 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
SantutxuBasque Country1 km SE26°16°73 mm
BasauriBasque Country4 km SE26°16°70 mm
ErandioBasque Country6 km NW27°16°74 mm
BarakaldoBasque Country6 km NW27°16°74 mm
ArrigorriagaBasque Country7 km SSE26°16°70 mm
GaldakaoBasque Country8 km ESE26°15°69 mm
SestaoBasque Country8 km NW27°16°74 mm
LeioaBasque Country9 km NW27°16°74 mm

The Almanac · Bilbao Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
August
✦✦✦✦✦

The height of summer in Bilbao, with afternoons near 26°. Wet spells are common — about 73 mm, the 9th wettest month.

Climate of Bilbao by month
MonthHighLowRainWindDaylightVisit
January14°6°134 mm12 km/h9 h 19 min✦✦
February14°5°102 mm12 km/h10 h 27 min✦✦
March17°7°99 mm13 km/h11 h 48 min✦✦✦
April18°8°106 mm12 km/h13 h 21 min✦✦✦
May21°11°76 mm12 km/h14 h 40 min✦✦✦
June24°14°62 mm11 km/h15 h 22 min✦✦✦✦
July26°16°51 mm11 km/h15 h 5 min✦✦✦✦
August26°16°73 mm10 km/h13 h 56 min✦✦✦
September25°14°61 mm10 km/h12 h 26 min✦✦✦✦
October22°12°115 mm11 km/h10 h 56 min✦✦✦
November17°8°157 mm12 km/h9 h 38 min✦✦✦
December14°7°109 mm13 km/h8 h 59 min✦✦

Questions Readers Ask about Bilbao in August

Answered from the wire & the Almanac

What is the weather like in Bilbao in August?

Days average 26 °C (80 °F) and nights 16 °C (60 °F), with about 73 mm (2.9 in) of rain over the month. The height of summer in Bilbao, with afternoons near 26°. Wet spells are common — about 73 mm, the 9th wettest month.

Is August a good time to visit Bilbao?

The Almanac gives August 3 of 5 (fair). The best months are June and September.

How long are the days in Bilbao in August?

In mid-August the sun is up for about 13 h 56 min. The days are shortening — from 8 h 59 min in December to 15 h 22 min in June.

Does it snow in Bilbao in August?

Hardly — August nights average 16 °C (60 °F), above freezing.

What should I pack for Bilbao in August?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor