Lanzarote in August: the hottest month explained

Daytime high: 24.7 C
Night low: 21.5 C
Sea temperature: 22.3 C
Days with rain: 0 of the month

August is Lanzarote's hottest month, with an average daytime high of 24.7°C and nights at 21.5°C. The sea averages 22.3°C, daily sunshine 8.6 hours, and days with rain 0. July is cooler in air and water; September has slightly cooler days but warmer water. August suits warmth-led beach holidays more than trips seeking cooler sightseeing conditions.

August and late summer

The hottest month does not also have the warmest sea or the most sunshine. August's average daytime high of 24.7°C exceeds July's 23.7°C and September's 24.6°C. Nights average 21.5°C, warmer than July's 20.5°C but level with September. In the water, August's 22.3°C sits between July's 21.5°C and September's 22.9°C, so waiting until September offers a higher sea average without a large change in daytime temperature. August records 8.6 hours of sunshine daily, below July's 8.9 but above September's 7.7. Each month averages 0 days with rain. These figures describe the monthly pattern rather than daily limits: an average high is not a maximum, and a sea temperature does not establish safe swimming conditions.

Choosing warmth over cooler outings

August suits travellers who put warm air and swimming water ahead of cooler conditions for sightseeing. A beach-led stay using Playa Dorada, Playa Grande or Playas de Papagayo fits that priority, with visits to Fundación César Manrique or Jameos del Agua added according to your interests. Its higher daytime average makes it a less obvious choice than June or July if the trip centres on extensive outdoor visits to Timanfaya National Park and La Geria. August also does not win every beach-related comparison: July has more average daily sunshine, while September has warmer water. Choose August because its combination of 24.7°C daytime highs and 22.3°C sea temperatures matches your preferences, not because the hottest month automatically offers the best swimming holiday.

July, August and September compared

Month	Day	Night	Sea	Sunshine
July	23.7 C	20.5 C	21.5 C	8.9 h
August	24.7 C	21.5 C	22.3 C	8.6 h
September	24.6 C	21.5 C	22.9 C	7.7 h

Questions about August

Is Lanzarote too hot in August for sightseeing?

August is less suited to travellers seeking cooler sightseeing conditions, but the averages cannot decide your comfort. The daytime high averages 24.7°C and nights 21.5°C, making it the hottest month. July's daytime average is lower at 23.7°C and June's is 22.4°C. Individual days can differ, so August's average should not be treated as a temperature ceiling.

Is August or September better for swimming in Lanzarote?

September has the warmer sea average, at 22.9°C compared with August's 22.3°C. Daytime highs are very similar, at 24.6°C in September and 24.7°C in August, while nights average 21.5°C in both. August offers more average daily sunshine, at 8.6 hours against 7.7. Neither month's temperature figures establish safe conditions for an individual swim.