Month guide · Eiras, Portugal
Eiras in August: weather and what to expect
In August, Eiras averages highs of 29°C and lows of 17°C, with about 4 rainy days and 18 mm of rain. Highs are 1°C warmer than in July and 3°C warmer than in September. Crowds in Centro are at their peak.
Is August a good time to visit?
Good for
No verdicts for Eiras in August yet. They only use climate values that are precise enough to judge with.
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through August
Town-level · ERA5-Land 1991-2020Highs stay about the same through the month.
August in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in August 2027
- 15 Aug Assumption Day
Local (municipal) holidays are not included.
Warmer in August
Where is warm in August →| Place | High | Rain days | From Eiras |
|---|---|---|---|
| Tomar, Oeste e Vale do Tejo | 31°C | 3 | 72 km |
| Sertã, Centro | 31°C | 3 | 57 km |
| Aldeia de Joanes, Centro | 31°C | 3 | 77 km |
| Fundão, Centro | 30°C | 3 | 79 km |
| Madalena (Tomar), Oeste e Vale do Tejo | 30°C | 3 | 75 km |
The nearest towns with a warmer August. Distances are in a straight line.
How August is changing
Town-level · ERA5-LandAugust highs are 1.4°C warmer than in 1991-2000, and August rainfall is down about 75% (2016-2025 against 1991-2000). Days above 30°C in August went from 9.4 to 14 a year on average.
Questions about Eiras in August
How warm is Eiras in August?
Average highs are 29°C and lows 17°C. July averages 28°C and September 26°C.
Does it rain much in Eiras in August?
About 4 days have at least 1 mm of rain, with 18 mm in total over the month.
Is Eiras busy in August?
In August 2025, nights booked through online platforms in Centro 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 Eiras in August?
About 13 h 49 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