Weather in Leiria in July

Prime time. July is about as good as Leiria gets. Highs average 29.4 °C, lows 16 °C, and rain falls on 2 days — nothing in the month is working against you.

July ranks 3 of 12 in Leiria. Only June scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 2 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 29.4 °C days and 16 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 12 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest July day reached 39.9 °C and the coldest night fell to 11.8 °C.

July is dependably dry, and that reliability is the point: across the twenty years measured, the wettest July on record still only managed 26 mm, and the driest managed 1 mm. There is no meaningful variability to plan around, which makes this one of the few months anywhere that you can build a fixed outdoor itinerary against without a fallback. The wettest single day in twenty years of Julys brought 6 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.

Wind is light at 8.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 67%.

How July sits in the year

Temperatures hold steady either side: 27.3 °C in June, 29.4 here, 30.2 in August. Nothing about the timing within the month matters much.

Daylight in July

July is at or near the longest days of Leiria's year: 14.7 hours of daylight, losing 0.6 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 19.4 °C in July — 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. If the dates are flexible, April is the trade worth considering — 11 points weaker on weather, and materially quieter.

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

July in Leiria versus nearby

If Leiria is one option among several, the nearby comparison is worth making. Aveiro is a better bet in July — 3.4 °C cooler, the same number of rain days. Lisbon is a better bet in July — 7.2 °C cooler, 1 day less rain.

So: July is effectively as good as it gets here — 6 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Leiria

See all twelve months in Leiria, or where else to go in July.