Month guide · Riañu, Spain

Riañu in August: weather and what to expect

August is the warmest month of the year in Riañu. August highs in Riañu are now 1.0°C warmer than in 1991-2000. In August, Riañu averages highs of 23°C and lows of 15°C, with about 16 rainy days and 93 mm of rain. Crowds in Asturias are at their peak.

Based on 1991-2020 climate data · Updated 2 November 2026 · Sources

Average high Town-level23°CLow 15°C
Rainy days Town-level1693 mm in total
UV index Modelled7High at noon on a clear day
Crowds RegionalPeakAsturias as a whole

Is August a good time to visit?

Good for

No verdicts for Riañu in August yet. They only use climate values that are precise enough to judge with.

Not ideal for

  • Reliable dry weather
    About 16 rainy days in the month

Daily highs through August

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs stay about the same through the month. A day above 30°C happens in roughly 1 August in 2; nights below 10°C in about 1 in 3.

August in detail

Town-level · ERA5-Land
MeasureJulyAugustSeptember
Average high23°C23°C21°C
Average low15°C15°C13°C
Rainy days (at least 1 mm)161615
Total rainfall89 mm93 mm89 mm
Daylight (mid-month)15 h 07 min14 h 01 min12 h 34 min

Crowds, holidays and daylight

Visitor level RegionalPeakNights booked through online platforms in Asturias in August 2025: the busiest month of the year.

Public holidays in August 2027

  • 16 Aug Monday following Assumption DayAsturias

Local (municipal) holidays are not included.

Daylight mid-month Exact14 h 01 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Riañu
Montoro, Andalusia36°C1600 km
Guarromán, Andalusia35°C1597 km
Adamuz, Andalusia35°C1598 km
Marmolejo, Andalusia35°C1602 km
Baños de la Encina, Andalusia35°C1596 km

The nearest towns with a warmer August. Distances are in a straight line.

How August is changing

Town-level · ERA5-Land

August highs are 1.0°C warmer than in 1991-2000, and August rainfall is down about 20% (2016-2025 against 1991-2000). Days above 25°C in August went from 8.1 to 11 a year on average.

Questions about Riañu in August

Is August a good time to visit Riañu?

It is less suited to reliable dry weather (about 16 rainy days in the month).

How warm is Riañu in August?

Average highs are 23°C and lows 15°C. July averages 23°C and September 21°C.

Does it rain much in Riañu in August?

About 16 days have at least 1 mm of rain, with 93 mm in total over the month.

Is Riañu busy in August?

In August 2025, nights booked through online platforms in Asturias were the busiest month of the year, which we count as peak. The figure is for the whole region and leaves out hotels.

How long are the days in Riañu in August?

About 14 h 01 min from sunrise to sunset in the middle of the month.

Sources

Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology