Rio Tinto weather in January

In January, Rio Tinto sees average daytime highs of 28°C and overnight lows near 25°C, with 71 mm of rain across 18.6 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 42% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Rio Tinto's 9th-clearest and 9th-windiest month. For the whole year in context, see Rio Tinto's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
71 mm
18.6 wet days
Daylight
12 h 24 min
5:19 AM – 5:40 PM
Cloud cover
53%
9th clearest
Wind
17 km/h
9th windiest
Solar energy
5.88 kWh/m²
Travel score
4.9
out of 10

Rio Tinto is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Rio Tinto reaches about 28°C in the afternoon and slips back to 25°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 29°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

Rio Tinto weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°7118.612.44.9
Feb28° / 25°8719.412.24.4
Mar29° / 25°11921.8124.3
Apr28° / 25°16324.111.94.0
May28° / 24°16424.211.74.5
Jun27° / 24°17824.111.64.6
Jul26° / 23°15724.911.64.7
Aug26° / 23°7720.911.85.3
Sep27° / 23°4716.7125.9
Oct27° / 24°321412.26.2
Nov28° / 25°2811.412.36.3
Dec28° / 25°4214.512.45.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46337
56337
66238
76238
86139
96040
106040
115941
125842
135743
145743
155743
165743
175743
185842
195743
205842
215941
226040
236040
246040
256139
266139
276238
286238
296337
306337
316436

Chance of precipitation in January

Any precipitation

Rio Tinto gets around 71 mm of rain over 18.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
254
354
455
555
656
757
857
958
1058
1159
1260
1360
1461
1561
1662
1762
1862
1962
2062
2162
2262
2362
2463
2563
2663
2763
2863
2963
3063
3163

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
15950
24960
34951
44951
53961
63961
73961
82971
92971
102971
112971
122971
132971
142971
152962
162962
172962
182962
192962
202962
212962
222962
232962
242962
253943
263943
272953
282953
292953
302944
312944

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1117light breeze
1217light breeze
1317light breeze
1417light 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
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:12 AM to 5:25 AM, and sunset from 5:35 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:125:35
212.45:125:36
312.45:135:36
412.45:135:36
512.45:145:37
612.45:145:37
712.45:155:37
812.45:155:38
912.45:165:38
1012.45:165:39
1112.45:175:39
1212.45:175:39
1312.45:185:39
1412.45:185:40
1512.45:185:40
1612.45:195:40
1712.45:195:41
1812.35:205:41
1912.35:205:41
2012.35:215:41
2112.35:215:41
2212.35:215:42
2312.35:225:42
2412.35:225:42
2512.35:235:42
2612.35:235:42
2712.35:235:42
2812.35:245:42
2912.35:245:42
3012.35:245:43
3112.35:255:43

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.88 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 — January's 5.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in January

Hazard calendar for Rio Tinto

In seasonPeak

None of Rio Tinto's seasonal hazards are active in January. 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 January a good time to visit Rio Tinto?

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

4.9
Sightseeing
6th-best month of the year
5.7
Beach & pool
5th-best month of the year

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

What to pack for Rio Tinto in January

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

In January, Rio Tinto sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Rio Tinto in January

The nearest coast averages about 28°C in January — 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.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Rio Tinto in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 10UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
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
16 km
219 m
80 km
646 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
January 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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).