Weather in Valencia in August

How August compares

August is the 1st warmest month of the year in Valencia and ranks 36th of 134 destinations we compare for August - see where else is hot in August. Within Spain it is 13th of 87 (Spain in August). Against London's average high of 21.4°C in August, Valencia is 9.1°C warmer by day and 8.3°C warmer at night.

Daytime and night-time in August

The typical August day in Valencia peaks at 30.5°C, but that is an average: the warmest 10% of days reach 33.6°C or more. About 97% of days top 25°C and 1 in 2 pass 30°C. Nights average 21.8°C; one night in ten drops to 19.9°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest August day here reached 41.1°C (2010-08-27) and the coldest night 16.5°C (1997-08-31).

Rain in August

Some rain (4-8 rainy days): about 4 days with 1 mm or more, 22 mm in total. Year to year it varies a lot - the wettest August was 2002 with 71 mm, the driest 2001 with 3 mm. Humidity averages 68%.

Sea temperature in August

The sea averages 26.4°C - warm enough to swim (22°c+). Depending on the year it ranges from 25.7°C to 27.2°C. This is the warmest the sea gets here all year.

Sunshine and daylight

Around 9.5 hours of sunshine a day (estimated from cloud cover), 13.5 hours of daylight: the sun rises about 07:14 and sets about 20:58 local time in mid-August. Average cloud cover is 30%.

Is August a good time to visit Valencia?

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

Expect heat that shapes your day

August is Valencia's warmest month, so treat the heat as part of your planning rather than an occasional bonus. Temperatures reach 30°C on 59% of days, while the hottest days can be considerably warmer: the warmest 10% reach at least 33.6°C. Humidity averages 68%, which can make the warmth feel close, especially when you are walking. Plan longer outings for the morning, keep midday plans flexible and take shade breaks rather than pushing through. Loose, breathable clothes, sun protection and water are sensible everyday essentials. Air conditioning is worth prioritising if warm bedrooms make it difficult for you to sleep.

Warm sea, with little evening chill

The sea is a strong reason to choose August. At an average of 26.4°C, it is comfortably in swimming territory rather than something you need to brace yourself for. The year-to-year range of 26°C to 27°C also points to consistently warm water, although temperature alone does not tell you about conditions on any particular day. Evenings offer a break from the daytime peak, but they are still warm rather than reliably cool. Light clothing should remain useful after dark; pack a light layer if you tend to feel chilly, rather than making heavy evening clothes a priority. This suits travellers who want swimming to be a regular part of their holiday.

Plenty of sunshine, but allow for rain

Rain is a possible interruption, not the main reason to avoid August. There are about 4 rainy days on average, so an entirely dry stay is not guaranteed, but wet-weather planning need not dominate your packing. A light waterproof and a flexible plan for a rainy spell are more useful than bulky rain gear. With about 9.5 hours of sunshine within 13.5 hours of daylight, there is plenty of time for outdoor plans without trying to fit everything into the hottest part of the day. The catch is sun exposure: use shade deliberately and avoid treating a cloudy interval as a reason to forget sun protection.