Weather in Marbella in August

How August compares

August is the 1st warmest month of the year in Marbella and ranks 72nd of 134 destinations we compare for August - see where else is hot in August. Within Spain it is 54th of 87 (Spain in August). Against London's average high of 21.4°C in August, Marbella is 7.1°C warmer by day and 8.1°C warmer at night.

Daytime and night-time in August

The typical August day in Marbella peaks at 28.5°C, but that is an average: the warmest 10% of days reach 31.5°C or more. About 97% of days top 25°C and 1 in 5 pass 30°C. Nights average 21.6°C; one night in ten drops to 19.5°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest August day here reached 39.8°C (2020-08-02) and the coldest night 16.5°C (1993-08-27).

Rain in August

Dry (3 rainy days or fewer): about 1 days with 1 mm or more, 4 mm in total. Year to year it varies a lot - the wettest August was 2017 with 42 mm, the driest 1991 with 0 mm. Humidity averages 64%.

Sea temperature in August

The sea averages 22.4°C - warm enough to swim (22°c+). Depending on the year it ranges from 21.8°C to 23.1°C. This is the warmest the sea gets here all year.

Sunshine and daylight

Around 11.3 hours of sunshine a day (estimated from cloud cover), 13.4 hours of daylight: the sun rises about 07:37 and sets about 21:11 local time in mid-August. Average cloud cover is 15%.

Is August a good time to visit Marbella?

Yes - it is one of the better months: hot days, little rain and long sunny days. The best months for Marbella on our scoring are July, August, June; months averaging 25°C or more: Jun, Jul, Aug, Sep.

Hot days call for a slower midday

August is Marbella's warmest month, so choose it because you like heat rather than simply because you want to avoid rain. Days reach 25°C on 97% of occasions, while 22% reach 30°C: reliably warm does not mean relentlessly extreme. Still, the warmer days make a shaded lunch and a quieter afternoon sensible choices. Put more demanding outdoor plans earlier in the day, and keep clothing light and breathable. Nights averaging 21.6°C mean you should not count on a cool breeze to make the bedroom comfortable. If you struggle to sleep in warmth, prioritise accommodation with air conditioning.

Very little rain, plenty of time outdoors

Rain is unlikely to dictate your holiday plans: August averages about 1 rainy day. That makes this a strong choice if you dislike organising each day around wet-weather alternatives, though a completely dry stay is not guaranteed. Sunshine averages 11.3 hours within 13.4 hours of daylight, leaving plenty of room to shift outdoor time away from midday. Pack sun protection and a hat rather than making heavy waterproofs a priority. The main planning challenge is managing exposure to the sun, not finding enough daylight. Keep some flexibility for shade and indoor breaks instead of filling every daylight hour with activity.

A comfortable swimming month

The sea averages 22.4°C, putting August firmly in swimming territory rather than the bracing category. Its year-to-year range of 22°C to 23°C suggests fairly consistent warmth, although your own tolerance still matters. This is a useful balance for travellers who want hot air without needing the water to feel equally warm. Build the day around swims and shaded rests rather than treating the heat as a reason to stay outside continuously. Sea temperature alone does not tell you about conditions on a particular day, so let local advice guide you before entering the water. For a swimming-led break, August makes sense.