Portugal
Algarve in October: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Algarve in October is climatically well suited to city breaks, active holidays and hiking, family holidays and beach holidays. The average daily high is around 23 °C, and the sea is about 21 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
80/100 · #5
Warmth
#5
Dryness
#9
Sun
#8
Sea warmth
#4
Published best categories: City break
Algarve · OctoberPhoto: Eurico Craveiro · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 17 °C
- Sea
- 21 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 77 %
For your trip planning
October: a strong city-trip month, but far wetter than September
For city trips, October is one of the best months in the Algarve in our series. Compared with September it is cooler and brings about three times the rain, while November is cooler and wetter still. Estimated sunshine drops as well. Pack a rain jacket so the wetter days do not stop your sightseeing.
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 |
|---|---|---|---|---|---|---|---|---|---|
| September | 25 | 19 | 3 | 23 | 6.9 | 71 | 3.5 | 21 | 90 |
| October (selected) | 23 | 17 | 8 | 73 | 4.9 | 77 | 3.8 | 21 | 80 |
| November | 19 | 14 | 9 | 82 | 3.5 | 79 | 4.3 | 19 | 64 |
How do the previous and next months compare?
Baseline: October (80/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| September | +10 | +2.9 °C | +1.7 °C | -4.9 | -50.3 mm | +2 h | -5.6 % | -0.3 m/s | +0.7 °C |
| November | -16 | -3.8 °C | -3.1 °C | +1.1 | +9.5 mm | -1.4 h | +2.1 % | +0.5 m/s | -1.5 °C |
All twelve months in context
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Frequently asked questions
How warm is Algarve in October?
The average daily high is around 23 °C, with an average daily low of about 17 °C.
Can you swim in Algarve in October?
The sea is about 21 °C (refreshing).
Does it rain a lot in Algarve in October?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 73 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. October is not among them.