Portugal
Algarve in August: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Algarve in August is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 28 °C, and the sea is about 21 °C. With about 1 rainy day it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
88/100 · #2
Warmth
#1
Dryness
#2
Sun
#3
Sea warmth
#1
Published best categories: Overall, Beach, Family
Algarve · AugustPhoto: Eurico Craveiro · CC BY-SA 4.0Climate facts
- Average high
- 28 °C
- Average low
- 20 °C
- Sea
- 21 °C
- Rainy days (est.)
- 1 rainy day (est.)
- Sun (est.)
- 9 h/day
- Humidity
- 64 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| July | 28 | 19 | 0 | 1 | 9.7 | 62 | 3.8 | 21 | 86 |
| August (selected) | 28 | 20 | 1 | 3 | 8.8 | 64 | 3.6 | 21 | 88 |
| September | 25 | 19 | 3 | 23 | 6.9 | 71 | 3.5 | 21 | 90 |
How do the previous and next months compare?
Baseline: August (88/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| July | -2 | ±0 °C | -0.5 °C | -0.2 | -1.8 mm | +0.9 h | -2.4 % | +0.2 m/s | -0.5 °C |
| September | +2 | -2.6 °C | -1 °C | +2.5 | +19.8 mm | -1.9 h | +6.7 % | -0.1 m/s | -0.2 °C |
All twelve months in context
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Frequently asked questions
How warm is Algarve in August?
The average daily high is around 28 °C, with an average daily low of about 20 °C.
Can you swim in Algarve in August?
The sea is about 21 °C (swimmable).
Does it rain a lot in Algarve in August?
The curated estimate is about 1 rainy day per month, not a directly measured long-term average. Total precipitation averages around 3 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Algarve?
By the climate score, June, July, August and September are the strongest months for Algarve. For a beach trip: June, July, August and September. August is one of them.