Guernica weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: August
What is the weather like in Guernica in August?
In August, Guernica is warm: daytime highs average 22 °C, and nights cool down to about 18 °C. The sea averages 22.3 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, August is a so-so month for a holiday in Guernica.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 46 | 54 | 40 |
| Day | 21° | 22° | 21° |
| Night | 18° | 18° | 17° |
| Sea | 21° | 22° | 21° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 11 | 11 | 12 |
More details for August
- Daylight
- 14 h 1 min07:15 – 21:16
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Madrid
How the score comes together
- Temperatureweight 35 %47 %
- Seaweight 25 %76 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 20 %48 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Guernica in August: quick answers
Is Guernica hot in August?
Warm rather than hot: in August, daytime highs in Guernica average 22 °C and nights cool to about 18 °C.
Can you swim in Guernica in August?
Yes. In August the sea averages 22.3 °C – refreshing for a swim.
Does it rain much in Guernica in August?
Rain is frequent, with about 11 rainy days and 61 mm in total.
Guernica month by month
The whole year in GuernicaAll destinations: SpainWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences