Weather in Vigo in August

Prime time. August is about as good as Vigo gets. Highs average 26.9 °C, lows 16 °C, and rain falls on 6 days — nothing in the month is working against you.

August ranks 2 of 12 in Vigo. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 6 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest August day reached 37.4 °C and the coldest night fell to 10.9 °C, and the wettest single day dropped 27 mm — roughly 82% of the month's rain in one day.

August is moderately variable: 2 mm in the driest year against 102 mm in the wettest, around an average of 33 mm. Roughly two Augusts in three land near that average, and the third does something else entirely.

Wind is light at 4.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 67%.

How August sits in the year

Temperatures hold steady either side: 26.3 °C in July, 26.9 here, 25.3 in September. Nothing about the timing within the month matters much.

Daylight in August

13.9 hours of daylight, losing 1.2 hours across the month. That is between Vigo's extremes of 15.2 and 9.1 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 18.5 °C in August — swimmable, but it takes a moment to commit. This is the warmest the water gets all year.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Vigo versus nearby

If Vigo is one option among several, the nearby comparison is worth making. Braga is the weaker option in August — 4.9 °C warmer, 1 day less rain. Aveiro is close enough to be a coin toss — within a degree on temperature, 3 days less rain.

So: August is effectively as good as it gets here — 2 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Vigo

See all twelve months in Vigo, or where else to go in August.