Weather in Vilamoura in July

How July compares

July is the 1st warmest month of the year in Vilamoura. Within Portugal it is 6th of 13 (Portugal in July). Against London's average high of 21.8°C in July, Vilamoura is 6.9°C warmer by day and 5.9°C warmer at night.

Daytime and night-time in July

The typical July day in Vilamoura peaks at 28.7°C, but that is an average: the warmest 10% of days reach 31.8°C or more. About 92% of days top 25°C and 1 in 3 pass 30°C. Nights average 19.4°C; one night in ten drops to 16.9°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest July day here reached 37.2°C (2004-07-25) and the coldest night 14.1°C (1997-07-03).

Rain in July

Dry (3 rainy days or fewer): about 0 days with 1 mm or more, 1 mm in total. Year to year it varies a lot - the wettest July was 1997 with 18 mm, the driest 1992 with 0 mm. Humidity averages 58%.

Sea temperature in July

The sea averages 20.2°C - bracing (18-22°c). Depending on the year it ranges from 18.9°C to 21.6°C. For the warmest sea here, come in August (20.9°C).

Sunshine and daylight

Around 12.8 hours of sunshine a day (estimated from cloud cover), 14.3 hours of daylight: the sun rises about 06:25 and sets about 20:52 local time in mid-July. Average cloud cover is 11%.

Is July a good time to visit Vilamoura?

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

Expect proper summer heat, not just warm afternoons

July is Vilamoura's warmest month, and days reach 25°C on 92% of occasions. That makes it a strong choice if warmth is central to your holiday, rather than something you would merely welcome. The more important catch is that 32% of days reach 30°C: plan anything active for the morning or later in the day, and leave room for shade around midday. Pack loose, light clothing, a hat and sun protection. Evenings are generally mild, although cooler nights can fall to 16.9°C or below. A light layer is sensible if you tend to feel chilly when sitting outside after dark.

Very little rain, long sunny days and a cooler sea

Rain is unlikely to shape your July plans, with about 0 rainy days on average. That is a good reason to favour this month for time outdoors, though it is not a promise that every day will stay dry. Sunshine averages about 12.8 hours within 14.3 hours of daylight, giving you plenty of scope to avoid the hottest part of the day without losing your outdoor time. Swimming needs a different expectation: the sea's year-to-year range is 19°C to 22°C, so it can feel distinctly cool when you first get in. July suits travellers who enjoy a refreshing dip more than those who need warm water to linger comfortably. Bring swimwear, but do not equate hot air with a warm sea.