Rio Tinto weather in October

In October, Rio Tinto sees average daytime highs of 20°C and overnight lows near 13°C, with 166 mm of rain across 12.7 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 34% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Rio Tinto's 9th-clearest and 8th-windiest month. For the whole year in context, see Rio Tinto's year-round climate.

Daytime high
20°
6th warmest
Overnight low
13°
8th coldest
Rainfall
166 mm
12.7 wet days
Daylight
10 h 54 min
6:53 AM – 5:46 PM
Cloud cover
55%
9th clearest
Wind
11 km/h
8th windiest
Solar energy
3.19 kWh/m²
Travel score
6.0
out of 10

Rio Tinto is city in Gondomar municipality, Portugal.

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 21°C in the first days to 18°C by the end.

A typical October day in Rio Tinto reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12215
22214
32214
42114
52114
62114
72114
82114
92114
102114
112014
122014
132014
142014
152013
162013
172013
182013
191913
201913
211913
221913
231913
241913
251913
261913
271813
281812
291812
301812
311812

Rio Tinto weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 15012.29.43.3
Feb14° / 1039.510.34.0
Mar16° / 12110.211.75.1
Apr17° / 10°12111.813.15.5
May20° / 13°10111.214.36.3
Jun23° / 15°406.314.97.6
Jul25° / 17°23414.78.4
Aug26° / 17°304.513.68.2
Sep23° / 16°646.612.37.7
Oct20° / 13°16612.710.96.0
Nov16° / 10°16312.99.74.5
Dec13° / 16712.49.13.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35941
45842
55842
65743
75644
85644
95545
105446
115347
125347
135347
145248
155149
165149
175050
184951
194852
204753
214654
224555
234555
244456
254357
264258
274258
284060
293961
303961
313961

Chance of precipitation in October

Any precipitation

Rio Tinto gets around 166 mm of rain over 12.7 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 41% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
129
230
331
431
532
633
734
836
937
1038
1139
1240
1342
1443
1544
1645
1745
1846
1946
2047
2147
2247
2347
2447
2547
2647
2747
2847
2947
3047
3147

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13345220
23444220
33643210
43742200
53841201
64041191
74140181
84240171
94439171
104538161
114638161
124737151
134837151
144837141
154937141
164937140
175037130
185037130
195037130
205137120
215236120
225236120
235236120
245335120
255534110
265534110
275733100
285832100
29603190
30613090
31632980

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 6:36 AM to 7:11 AM, and sunset from 6:10 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:366:10
211.56:376:08
311.56:386:07
411.46:406:05
511.46:416:03
611.36:426:02
711.36:436:00
811.26:445:58
911.26:455:57
1011.16:465:55
1111.16:475:53
1211.16:485:52
1311.06:505:50
1411.06:515:49
1510.96:525:47
1610.96:535:46
1710.86:545:44
1810.86:555:43
1910.76:565:41
2010.76:585:40
2110.76:595:38
2210.67:005:37
2310.67:015:35
2410.57:025:34
2510.57:035:33
2610.47:055:31
2710.47:065:30
2810.47:075:29
2910.37:085:27
3010.37:095:26
3110.27:115:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.19 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 7.29 kWh/m² in July across the year — October's 3.19 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Hazard calendar for Rio Tinto

In seasonPeak

In October, Rio Tinto sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rio Tinto's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Rio Tinto?

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

6.0
Sightseeing
6th-best month of the year
3.0
Beach & pool
6th-best month of the year

October is a reasonable time to visit Rio Tinto for sightseeing.

What to pack for Rio Tinto in October

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

In October, Rio Tinto sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Rio Tinto in October

The nearest coast averages about 17°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 17°C and coldest in February near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr14Bracing
May16Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov16Cool
Dec14Bracing

UV index in Rio Tinto 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 Rio Tinto peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 23UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Rio Tinto in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Rio Tinto is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2425 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Moderate
May8Good
Jun9Good
Jul9Good
Aug25Moderate
Sep24Moderate
Oct18Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Rio Tinto?

Rio Tinto sits at 41.2°N, 8.6°W, 80 m above sea level, in Portugal. The nearest listed city is Baguim do Monte, 2.0 km away.

Topography around Rio Tinto

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

Within 3 km, the terrain around Rio Tinto has only modest variations in elevation — a maximum elevation change of 190 m around an average of 111 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 512 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,466 m.

The land around Rio Tinto is covered by artificial surfaces (55%) and trees (26%) within 3 km, trees (42%) and artificial surfaces (27%) within 16 km, and trees (42%), grassland (25%) and water (24%) within 80 km.

3 km
190 m
16 km
512 m
80 km
1,466 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Baguim do Monte 2.0 km · Campanhã 3.0 km · Fânzeres 3.0 km · Paranhos 3.0 km · Bomfim 4.0 km · Águas Santas 4.0 km · Ermesinde 4.0 km · Gondomar 4.0 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 Rio Tinto (41.1787°, -8.5595°, elevation 80 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).