Mãe do Rio weather in January

In January, Mãe do Rio sees average daytime highs of 32°C and overnight lows near 23°C, with 195 mm of rain across 24.6 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Mãe do Rio's 9th-clearest and 7th-windiest month. For the whole year in context, see Mãe do Rio's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
9th coldest
Rainfall
195 mm
24.6 wet days
Daylight
12 h 06 min
6:16 AM – 6:23 PM
Cloud cover
81%
9th clearest
Wind
7 km/h
7th windiest
Solar energy
4.65 kWh/m²
Travel score
2.6
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Mãe do Rio reaches about 32°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C warmer than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253123
263123
273123
283123
293123
303123
313123

How January really feels in Mãe do Rio

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mãe do Rio weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°19524.612.12.6
Feb31° / 23°27225.612.12.5
Mar31° / 23°34829.9122.4
Apr31° / 23°34128.5122.5
May31° / 23°19725.111.92.8
Jun31° / 23°8517.311.93.6
Jul32° / 22°5511.911.94.1
Aug33° / 23°247.411.93.9
Sep34° / 23°195.3123.5
Oct34° / 24°235.7123.2
Nov34° / 24°43712.13.1
Dec33° / 24°9214.712.12.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32377
42278
52278
62179
72080
82080
91882
101882
111783
121684
131585
141585
151486
161387
171387
181387
191387
201387
211387
221387
231387
241387
251387
261387
271387
281387
291387
301387
311387

Chance of precipitation in January

Any precipitation

Mãe do Rio gets around 195 mm of rain over 24.6 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 80% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
168
270
371
472
573
674
775
876
977
1078
1178
1279
1380
1480
1581
1681
1782
1882
1982
2082
2183
2283
2383
2483
2584
2684
2785
2885
2985
3086
3186

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12944
22944
31945
41945
51945
61945
71945
81936
91936
101936
110955
120955
130955
140955
150955
160955
170946
180946
190946
200946
210946
220937
230937
240937
250928
260928
270928
280919
290919
300919
3109010

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 6:10 AM to 6:21 AM, and sunset from 6:17 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:17
212.16:106:17
312.16:116:18
412.16:116:18
512.16:126:19
612.16:126:19
712.16:136:19
812.16:136:20
912.16:136:20
1012.16:146:21
1112.16:146:21
1212.16:156:21
1312.16:156:22
1412.16:166:22
1512.16:166:22
1612.16:166:23
1712.16:176:23
1812.16:176:23
1912.16:176:24
2012.16:186:24
2112.16:186:24
2212.16:186:24
2312.16:196:25
2412.16:196:25
2512.16:196:25
2612.16:206:25
2712.16:206:26
2812.16:206:26
2912.16:206:26
3012.16:216:26
3112.16:216:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 6.12 kWh/m² in October across the year — January's 4.65 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for Mãe do Rio

In seasonPeak

In January, Mãe do Rio sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Mãe do Rio's monsoon runs January–May, when most of the year's rain falls.

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

Is January a good time to visit Mãe do Rio?

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

2.6
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Mãe do Rio.

What to pack for Mãe do Rio in January

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

In January, Mãe do Rio sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Mãe do Rio 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 Mãe do Rio peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Mãe do Rio in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mãe do Rio is worst in November — around 28 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2028 µg/m³Jun 208 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb18Moderate
Mar17Moderate
Apr14Moderate
May9Good
Jun8Good
Jul9Good
Aug10Good
Sep12Good
Oct16Moderate
Nov28Moderate
Dec25Moderate
Location & terrain

Where is Mãe do Rio?

Mãe do Rio sits at 2.0°S, 47.6°W, 44 m above sea level, in Brazil. The nearest listed city is Aurora do Pará, 10 km away.

Topography around Mãe do Rio

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

Within 3 km, the terrain around Mãe do Rio has only modest variations in elevation — a maximum elevation change of 35 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, only modest variations in elevation — a maximum elevation change of 167 m.

The land around Mãe do Rio is covered by grassland (61%) and trees (25%) within 3 km, grassland (59%) and trees (40%) within 16 km, and trees (63%) and grassland (36%) within 80 km.

3 km
35 m
16 km
79 m
80 km
167 m
treesgrasslandartificial surfaceswater
January weather nearby: Aurora do Pará 10 km · Irituia 33 km · Concórdia do Pará 45 km · São Miguel do Guamá 47 km · São Domingos do Capim 48 km · Garrafão do Norte 57 km · Ipixuna do Pará 57 km · Capitão Poço 64 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 Mãe do Rio (-2.0464°, -47.5506°, elevation 44 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. 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).