Climate averages 1991–2020
Leiria weather
in August.
A warm, very dry month: the warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Leiria: daytime highs average 27.1°C and nights cool to about 16.9°C. By daytime temperature it is the warmest month of the year.
Expect about 9.6 mm of rain on roughly 2 days, which makes August a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 44 min on an average August day.
The nearest other city in this atlas is Coimbra (61 km away). In August its highs average 28.9°C, 1.7°C warmer than Leiria, with 14 mm of rain.
Among the 12 cities listed in Portugal, Leiria ranks 5th of 12 for the warmest August highs and 7th of 12 for the driest August (rainfall, lowest first). The mean August high of those 12 cities is 26.8°C; Leiria is 0.3°C warmer than that mean.
From August to September, average highs fall by 1.8°C to 25.3°C, and monthly rainfall rises from 9.6 mm to 41 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Leiria climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.2°C7.0°C | 7.0°C | 88 | 10.5 | 9.710 h |
| February | 15.2°C7.4°C | 7.4°C | 66 | 8.7 | 10.711 h |
| March | 17.6°C9.1°C | 9.1°C | 70 | 9.6 | 11.912 h |
| April | 18.7°C10.4°C | 10.4°C | 73 | 10.5 | 13.213 h |
| May | 21.4°C12.7°C | 12.7°C | 63 | 8.7 | 14.314 h |
| June | 24.4°C15.2°C | 15.2°C | 18 | 3.8 | 14.915 h |
| July | 26.5°C16.6°C | 16.6°C | 6.2 | 1.8 | 14.715 h |
| August, selected | 27.1°C16.9°C | 16.9°C | 9.6 | 2.1 | 13.714 h |
| September | 25.3°C15.7°C | 15.7°C | 41 | 5.6 | 12.512 h |
| October | 21.6°C13.7°C | 13.7°C | 96 | 10.4 | 11.211 h |
| November | 17.2°C10.3°C | 10.3°C | 98 | 11.6 | 10.010 h |
| December | 15.0°C8.2°C | 8.2°C | 91 | 10.3 | 9.49 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Coimbra in AugustPortugal · 61 kmHigh 28.9°C · Low 16.5°C · 14 mm rain
- Aveiro in AugustPortugal · 101 kmHigh 27.3°C · Low 17.2°C · 17 mm rain
- Amadora in AugustPortugal · 116 kmHigh 26.2°C · Low 18.0°C · 4.1 mm rain
- Queluz in AugustPortugal · 116 kmHigh 24.4°C · Low 18.2°C · 4.1 mm rain
- Lisbon in AugustPortugal · 117 kmHigh 26.3°C · Low 18.6°C · 4.1 mm rain
- Viseu in AugustPortugal · 127 kmHigh 27.9°C · Low 15.8°C · 26 mm rain
- Setúbal in AugustPortugal · 136 kmHigh 28.9°C · Low 18.1°C · 2.8 mm rain
- Porto in AugustPortugal · 157 kmHigh 26.2°C · Low 17.2°C · 29 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Leiria) is explained once on the Leiria year overview and on the Sources, method and limits page.