Olhão weather in October

In October, Olhão sees average daytime highs of 21°C and overnight lows near 18°C, with 67 mm of rain across 6.5 wet days and about 11 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 49% of the time in October, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Olhão's 9th-clearest and 10th-windiest month. For the whole year in context, see Olhão's year-round climate.

Daytime high
21°
5th warmest
Overnight low
18°
8th coldest
Rainfall
67 mm
6.5 wet days
Daylight
11 hours
6:45 AM – 5:47 PM
Cloud cover
44%
9th clearest
Wind
17 km/h
10th windiest
Solar energy
4.04 kWh/m²
Travel score
7.2
out of 10

Olhão is city seat of Olhão municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical October day in Olhão reaches about 21°C in the afternoon and slips back to 18°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, October runs about 2°C cooler than September and about 3°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12219
22219
32219
42219
52219
62218
72118
82118
92118
102118
112118
122118
132118
142118
152118
162118
172118
182018
192017
202017
212017
222017
232017
242017
252017
262017
272017
282017
292017
302016
311916

Olhão weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 12°536.99.75.0
Feb15° / 12°455.410.65.2
Mar16° / 13°516.211.75.8
Apr17° / 14°405.512.96.5
May20° / 16°244.4147.5
Jun22° / 19°50.814.58.9
Jul25° / 20°10.114.39.6
Aug25° / 21°20.313.49.5
Sep23° / 20°172.712.38.6
Oct21° / 18°676.5117.2
Nov18° / 15°687.2106.4
Dec16° / 13°867.69.55.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67129
77129
87129
97030
106931
116832
126733
136535
146436
156337
166238
176238
186139
196040
205941
215941
225842
235842
245842
255842
265842
275842
285842
295842
305842
315941

Chance of precipitation in October

Any precipitation

Olhão gets around 67 mm of rain over 6.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
114
215
315
416
517
617
718
818
919
1020
1121
1222
1323
1423
1524
1625
1725
1825
1925
2025
2125
2225
2325
2425
2525
2625
2725
2825
2925
3024
3124

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
112284812
212284812
313284712
414284711
515284711
615284610
71628469
81729459
91829458
101929448
111930447
122030447
132031436
142031436
152132426
162133415
172133405
182134405
192235395
202236385
212236374
222337364
232337354
242438344
252538334
262638324
272838313
282938303
293138293
303338272
313537262

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:32 AM to 7:00 AM, and sunset from 6:09 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:326:09
211.66:326:08
311.56:336:06
411.56:346:05
511.56:356:03
611.46:366:02
711.46:376:00
811.36:385:59
911.36:395:57
1011.36:405:56
1111.26:415:54
1211.26:425:53
1311.16:435:51
1411.16:445:50
1511.16:445:49
1611.06:455:47
1711.06:465:46
1811.06:475:45
1910.96:485:43
2010.96:495:42
2110.86:505:41
2210.86:515:40
2310.86:525:38
2410.76:535:37
2510.76:545:36
2610.76:555:35
2710.66:565:34
2810.66:575:33
2910.66:585:32
3010.56:595:30
3110.57:005:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.04 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 7.93 kWh/m² in July across the year — October's 4.04 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.0Bright
164.0Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Is October a good time to visit Olhão?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.2
Sightseeing
6th-best month of the year
4.2
Beach & pool
5th-best month of the year

October is one of the better times to visit Olhão for general sightseeing.

What to pack for Olhão in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Olhão sees daytime highs around 21°C and nights near 18°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Olhão in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 22°C and coldest in February near 16°C.

It's comfortable for a long swim from Jun 22 to Oct 25 — about 4.1 months when the water holds above 20°C.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr17Cool
May18Cool
Jun20Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Olhão in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Olhão peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Olhão?

Olhão sits at 37.0°N, 7.8°W, 11 m above sea level, in Portugal. The nearest listed city is Quelfes, 4.0 km away.

Topography around Olhão

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Olhão.

Within 3 km, the terrain around Olhão has only modest variations in elevation — a maximum elevation change of 66 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Olhão is covered by water (36%) and grassland (28%) within 3 km, water (47%) and grassland (24%) within 16 km, and water (41%) and grassland (30%) within 80 km.

3 km
66 m
16 km
408 m
80 km
894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Quelfes 4.0 km · Laranjeiro 5.0 km · Faro 8.0 km · Loulé 20 km · Tavira 20 km · Quarteira 23 km · Albufeira 37 km · Ayamonte 44 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Olhão (37.0286°, -7.8411°, elevation 11 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).