Rio Tinto weather in October

In October, Rio Tinto sees average daytime highs of 27°C and overnight lows near 24°C, with 32 mm of rain across 14 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 63% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Rio Tinto's 2nd-clearest and 4th-windiest month. For the whole year in context, see Rio Tinto's year-round climate.

Daytime high: 27°; 8th warmest
Overnight low: 24°; 5th coldest
Rainfall: 32 mm; 14 wet days
Daylight: 12 h 12 min; 5:01 AM – 5:10 PM
Cloud cover: 40%; 2nd clearest
Wind: 21 km/h; 4th windiest
Solar energy: 6.07 kWh/m²
Travel score: 6.2; out of 10

Rio Tinto is human settlement in Brazil.

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

← September Rio Tinto year-round climate November →Best places to visit in October

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Rio Tinto reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, October runs on par with September and on par with November.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	28	28	28
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	27	24
2	27	24
3	27	24
4	27	24
5	27	24
6	27	24
7	27	24
8	27	24
9	27	24
10	27	24
11	27	24
12	27	24
13	27	24
14	27	24
15	27	24
16	27	24
17	27	24
18	27	24
19	27	24
20	27	24
21	28	24
22	28	24
23	28	24
24	28	24
25	28	24
26	28	24
27	28	24
28	28	24
29	28	24
30	28	24
31	28	24

Rio Tinto weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 25°	71	18.6	12.4	4.9
Feb	28° / 25°	87	19.4	12.2	4.4
Mar	29° / 25°	119	21.8	12	4.3
Apr	28° / 25°	163	24.1	11.9	4.0
May	28° / 24°	164	24.2	11.7	4.5
Jun	27° / 24°	178	24.1	11.6	4.6
Jul	26° / 23°	157	24.9	11.6	4.7
Aug	26° / 23°	77	20.9	11.8	5.3
Sep	27° / 23°	47	16.7	12	5.9
Oct	27° / 24°	32	14	12.2	6.2
Nov	28° / 25°	28	11.4	12.3	6.3
Dec	28° / 25°	42	14.5	12.4	5.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 23% of October, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	93	92	91	91	91	89	89	88	88	86	86	86	86	86	85	85	85	85	84	84	84	83	83	83	83	84	84	84	84	84	84
Cloudier (%)	7	8	9	9	9	11	11	12	12	14	14	14	14	14	15	15	15	15	16	16	16	17	17	17	17	16	16	16	16	16	16

	Clearer (%)	Cloudier (%)
1	93	7
2	92	8
3	91	9
4	91	9
5	91	9
6	89	11
7	89	11
8	88	12
9	88	12
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	85	15
17	85	15
18	85	15
19	84	16
20	84	16
21	84	16
22	83	17
23	83	17
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

Chance of precipitation in October

Any precipitation

Rio Tinto gets around 32 mm of rain over 14 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 45% and peaks near 49% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	43	43	43	44	44	44	45	45	46	47	47	48	48	48	49	49	49	48	48	48	47	46	46	45	44	43	43	42	41	40	39

	Rain chance (%)
1	43
2	43
3	43
4	44
5	44
6	44
7	45
8	45
9	46
10	47
11	47
12	48
13	48
14	48
15	49
16	49
17	49
18	48
19	48
20	48
21	47
22	46
23	46
24	45
25	44
26	43
27	43
28	42
29	41
30	40
31	39

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	50	50	49	49	48	48	47	46	45	44	43	42	41	40	38	37	36	35	35	34	33	32	32	31	31	30	30	30	29	29	28
Oppressive (%)	50	50	51	51	52	52	53	54	55	56	57	58	59	60	62	63	64	65	65	66	67	68	68	69	69	70	70	70	71	71	72

	Muggy (%)	Oppressive (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	48	52
6	48	52
7	47	53
8	46	54
9	45	55
10	44	56
11	43	57
12	42	58
13	41	59
14	40	60
15	38	62
16	37	63
17	36	64
18	35	65
19	35	65
20	34	66
21	33	67
22	32	68
23	32	68
24	31	69
25	31	69
26	30	70
27	30	70
28	30	70
29	29	71
30	29	71
31	28	72

Wind in October

Winds average 21 km/h in October.

Across October, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	22	22	22	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20	20
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	22	breezy
2	22	breezy
3	22	breezy
4	22	breezy
5	22	breezy
6	22	breezy
7	22	breezy
8	22	breezy
9	22	breezy
10	22	breezy
11	22	breezy
12	22	breezy
13	21	breezy
14	21	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	21	breezy
25	21	breezy
26	20	breezy
27	20	breezy
28	20	breezy
29	20	breezy
30	20	breezy
31	20	breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over October. Sunrise moves from 5:08 AM to 4:57 AM, and sunset from 5:11 PM to 5:11 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2
Sunrise (AM)	5:08	5:07	5:07	5:06	5:06	5:05	5:05	5:04	5:04	5:03	5:03	5:02	5:02	5:02	5:01	5:01	5:00	5:00	5:00	4:59	4:59	4:59	4:58	4:58	4:58	4:58	4:57	4:57	4:57	4:57	4:57
Sunset (PM)	5:11	5:11	5:11	5:11	5:11	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:10	5:11	5:11	5:11	5:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:08	5:11
2	12.1	5:07	5:11
3	12.1	5:07	5:11
4	12.1	5:06	5:11
5	12.1	5:06	5:11
6	12.1	5:05	5:10
7	12.1	5:05	5:10
8	12.1	5:04	5:10
9	12.1	5:04	5:10
10	12.1	5:03	5:10
11	12.1	5:03	5:10
12	12.1	5:02	5:10
13	12.1	5:02	5:10
14	12.1	5:02	5:10
15	12.1	5:01	5:10
16	12.2	5:01	5:10
17	12.2	5:00	5:10
18	12.2	5:00	5:10
19	12.2	5:00	5:10
20	12.2	4:59	5:10
21	12.2	4:59	5:10
22	12.2	4:59	5:10
23	12.2	4:58	5:10
24	12.2	4:58	5:10
25	12.2	4:58	5:10
26	12.2	4:58	5:10
27	12.2	4:57	5:10
28	12.2	4:57	5:11
29	12.2	4:57	5:11
30	12.2	4:57	5:11
31	12.2	4:57	5:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.07 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.15 kWh/m² in November across the year — October's 6.07 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2
Level	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.0	Bright
2	6.0	Bright
3	6.0	Bright
4	6.0	Intense
5	6.0	Intense
6	6.0	Intense
7	6.0	Intense
8	6.0	Intense
9	6.0	Intense
10	6.0	Intense
11	6.0	Intense
12	6.0	Intense
13	6.0	Intense
14	6.0	Intense
15	6.0	Intense
16	6.0	Intense
17	6.1	Intense
18	6.1	Intense
19	6.1	Intense
20	6.1	Intense
21	6.1	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.1	Intense
26	6.1	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense
31	6.2	Intense

Planning a trip in October

Hazard calendar for Rio Tinto

In seasonPeak

None of Rio Tinto's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rio Tinto's rainy season runs February–July, 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).

6.2

Sightseeing

2nd-best month of the year

6.5

Beach & pool

2nd-best month of the year

October is a reasonable time to visit Rio Tinto for sightseeing. The water and warmth also suit a beach or pool day.

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 27°C and nights near 24°C. Pack light clothes, rain gear and sun protection. Worth having: a windbreaker. About 14 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Rio Tinto in October

The nearest coast averages about 27°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 24 km away) is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	29	29	29	28	27	27	26	26	27	27	28
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Tropical
Feb	29	Tropical
Mar	29	Tropical
Apr	29	Tropical
May	28	Tropical
Jun	27	Warm
Jul	27	Warm
Aug	26	Warm
Sep	26	Warm
Oct	27	Warm
Nov	27	Warm
Dec	28	Warm

UV index in Rio Tinto in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Tinto peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	13	11	10	10	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	10	Very high
Jul	10	Very high
Aug	10	Very high
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Rio Tinto?

Rio Tinto sits at 6.8°S, 35.1°W, 35 m above sea level, in Brazil. The nearest listed city is Mamanguape, 6.0 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 140 m around an average of 43 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, large variations in elevation — a maximum elevation change of 646 m.

The land around Rio Tinto is covered by grassland (40%) and trees (38%) within 3 km, grassland (38%), trees (27%) and cropland (22%) within 16 km, and grassland (47%) and water (28%) within 80 km.

3 km

140 m

grassland 40%

16 km

219 m

grassland 38%

80 km

646 m

grassland 47%

treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves

← September Rio Tinto year-round climate November →Best places to visit in October

October weather nearby: Mamanguape 6.0 km · Itapororoca 19 km · Araçagi 34 km · Cabedelo 34 km · Santa Rita 36 km · Sapé 37 km · Cruz do Espírito Santo 37 km · Mari 39 km

Brazil travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / N; 127 / 220 V · 60 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $10,713; 2025
Happiness: 6.6 / 10; World Happiness, 2025
Safe drinking water: 89%; of population, 2024
Homicide rate: 19.3; per 100k, 2023
Road deaths: 16; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 482
Religion

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 (-6.8031°, -35.0806°, elevation 35 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).

	Avg high (°C)	Avg low (°C)
1	27	24
2	27	24
3	27	24
4	27	24
5	27	24
6	27	24
7	27	24
8	27	24
9	27	24
10	27	24
11	27	24
12	27	24
13	27	24
14	27	24
15	27	24
16	27	24
17	27	24
18	27	24
19	27	24
20	27	24
21	28	24
22	28	24
23	28	24
24	28	24
25	28	24
26	28	24
27	28	24
28	28	24
29	28	24
30	28	24
31	28	24

	Clearer (%)	Cloudier (%)
1	93	7
2	92	8
3	91	9
4	91	9
5	91	9
6	89	11
7	89	11
8	88	12
9	88	12
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	85	15
17	85	15
18	85	15
19	84	16
20	84	16
21	84	16
22	83	17
23	83	17
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	43
2	43
3	43
4	44
5	44
6	44
7	45
8	45
9	46
10	47
11	47
12	48
13	48
14	48
15	49
16	49
17	49
18	48
19	48
20	48
21	47
22	46
23	46
24	45
25	44
26	43
27	43
28	42
29	41
30	40
31	39

	Muggy (%)	Oppressive (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	48	52
6	48	52
7	47	53
8	46	54
9	45	55
10	44	56
11	43	57
12	42	58
13	41	59
14	40	60
15	38	62
16	37	63
17	36	64
18	35	65
19	35	65
20	34	66
21	33	67
22	32	68
23	32	68
24	31	69
25	31	69
26	30	70
27	30	70
28	30	70
29	29	71
30	29	71
31	28	72

	Avg high (°C)	Avg low (°C)
1	27	24
2	27	24
3	27	24
4	27	24
5	27	24
6	27	24
7	27	24
8	27	24
9	27	24
10	27	24
11	27	24
12	27	24
13	27	24
14	27	24
15	27	24
16	27	24
17	27	24
18	27	24
19	27	24
20	27	24
21	28	24
22	28	24
23	28	24
24	28	24
25	28	24
26	28	24
27	28	24
28	28	24
29	28	24
30	28	24
31	28	24

	Clearer (%)	Cloudier (%)
1	93	7
2	92	8
3	91	9
4	91	9
5	91	9
6	89	11
7	89	11
8	88	12
9	88	12
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	85	15
17	85	15
18	85	15
19	84	16
20	84	16
21	84	16
22	83	17
23	83	17
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	43
2	43
3	43
4	44
5	44
6	44
7	45
8	45
9	46
10	47
11	47
12	48
13	48
14	48
15	49
16	49
17	49
18	48
19	48
20	48
21	47
22	46
23	46
24	45
25	44
26	43
27	43
28	42
29	41
30	40
31	39

	Muggy (%)	Oppressive (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	48	52
6	48	52
7	47	53
8	46	54
9	45	55
10	44	56
11	43	57
12	42	58
13	41	59
14	40	60
15	38	62
16	37	63
17	36	64
18	35	65
19	35	65
20	34	66
21	33	67
22	32	68
23	32	68
24	31	69
25	31	69
26	30	70
27	30	70
28	30	70
29	29	71
30	29	71
31	28	72

	Avg high (°C)	Avg low (°C)
1	27	24
2	27	24
3	27	24
4	27	24
5	27	24
6	27	24
7	27	24
8	27	24
9	27	24
10	27	24
11	27	24
12	27	24
13	27	24
14	27	24
15	27	24
16	27	24
17	27	24
18	27	24
19	27	24
20	27	24
21	28	24
22	28	24
23	28	24
24	28	24
25	28	24
26	28	24
27	28	24
28	28	24
29	28	24
30	28	24
31	28	24

	Clearer (%)	Cloudier (%)
1	93	7
2	92	8
3	91	9
4	91	9
5	91	9
6	89	11
7	89	11
8	88	12
9	88	12
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	85	15
17	85	15
18	85	15
19	84	16
20	84	16
21	84	16
22	83	17
23	83	17
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	43
2	43
3	43
4	44
5	44
6	44
7	45
8	45
9	46
10	47
11	47
12	48
13	48
14	48
15	49
16	49
17	49
18	48
19	48
20	48
21	47
22	46
23	46
24	45
25	44
26	43
27	43
28	42
29	41
30	40
31	39

	Muggy (%)	Oppressive (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	48	52
6	48	52
7	47	53
8	46	54
9	45	55
10	44	56
11	43	57
12	42	58
13	41	59
14	40	60
15	38	62
16	37	63
17	36	64
18	35	65
19	35	65
20	34	66
21	33	67
22	32	68
23	32	68
24	31	69
25	31	69
26	30	70
27	30	70
28	30	70
29	29	71
30	29	71
31	28	72