Pedro do Rosário weather in January

In January, Pedro do Rosário sees average daytime highs of 32°C and overnight lows near 24°C, with 235 mm of rain across 25.2 wet days and about 12.2 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 4% of the time in January, and the air most often feels oppressive.

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

Daytime high
32°
6th warmest
Overnight low
24°
8th coldest
Rainfall
235 mm
25.2 wet days
Daylight
12 h 12 min
6:06 AM – 6:15 PM
Cloud cover
80%
9th clearest
Wind
7 km/h
7th windiest
Solar energy
4.77 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 Pedro do Rosário reaches about 32°C in the afternoon and slips back to 24°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
93224
103224
113224
123224
133224
143224
153224
163224
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How January really feels in Pedro do Rosário

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.

Pedro do Rosário 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° / 24°23525.212.22.6
Feb31° / 24°31226.112.12.5
Mar30° / 24°42229.8122.5
Apr30° / 24°44128.411.92.6
May31° / 24°27625.311.93.0
Jun30° / 23°12218.611.83.8
Jul31° / 23°7412.911.84.5
Aug32° / 23°287.311.94.5
Sep33° / 24°174.2124.1
Oct34° / 24°24512.13.6
Nov33° / 25°447.412.13.5
Dec33° / 24°9914.912.23.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32674
42476
52476
62278
72179
82080
91882
101882
111684
121585
131486
141387
151387
161288
171288
181288
191288
201288
211387
221387
231387
241387
251387
261387
271387
281387
291387
301486
311486

Chance of precipitation in January

Any precipitation

Pedro do Rosário gets around 235 mm of rain over 25.2 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 82% and peaks near 88% 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
675
776
877
978
1080
1181
1282
1383
1483
1584
1684
1785
1885
1985
2085
2186
2286
2386
2486
2586
2686
2787
2887
2987
3087
3188

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11945
21945
31945
41945
51945
61936
71936
81936
91936
101936
111927
121927
131927
141927
151918
161918
171909
1818910
1908911
2008911
2108812
2208713
2308614
2408614
2508515
2608416
2708317
2808218
2908119
3008020
3108020

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
97calm
107calm
117calm
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 12 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 shrink by about 6 minutes over January. Sunrise moves from 5:59 AM to 6:11 AM, and sunset from 6:10 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:596:10
212.26:006:10
312.26:006:10
412.26:016:11
512.26:016:11
612.26:026:12
712.26:026:12
812.26:036:13
912.26:036:13
1012.26:046:13
1112.26:046:14
1212.26:046:14
1312.26:056:14
1412.26:056:15
1512.26:066:15
1612.26:066:15
1712.26:066:16
1812.26:076:16
1912.26:076:16
2012.16:086:16
2112.16:086:17
2212.16:086:17
2312.16:096:17
2412.16:096:17
2512.16:096:18
2612.16:106:18
2712.16:106:18
2812.16:106:18
2912.16:106:18
3012.16:116:18
3112.16:116:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 6.1 kWh/m² in October across the year — January's 4.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for Pedro do Rosário

In seasonPeak

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

Pedro do Rosário'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 Pedro do Rosário?

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
4.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Pedro do Rosário.

What to pack for Pedro do Rosário in January

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

In January, Pedro do Rosário sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Pedro do Rosário 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 Pedro do Rosário peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Pedro do Rosário 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 Pedro do Rosário is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1918 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep9Good
Oct13Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Pedro do Rosário?

Pedro do Rosário sits at 3.0°S, 45.4°W, 28 m above sea level, in Brazil. The nearest listed city is Matinha, 38 km away.

Topography around Pedro do Rosário

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

Within 3 km, the terrain around Pedro do Rosário has only modest variations in elevation — a maximum elevation change of 46 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, only modest variations in elevation — a maximum elevation change of 191 m.

The land around Pedro do Rosário is covered by trees (59%) and grassland (37%) within 3 km, trees (68%) and grassland (31%) within 16 km, and trees (44%) and grassland (44%) within 80 km.

3 km
46 m
16 km
101 m
80 km
191 m
treesgrasslandartificial surfaceswaterwetlandmangroves
January weather nearby: Matinha 38 km · Penalva 41 km · Presidente Sarney 42 km · Viana 47 km · Zé Doca 48 km · São Vicente Ferrer 53 km · Cajari 54 km · Pinheiro 58 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 Pedro do Rosário (-2.9724°, -45.3513°, elevation 28 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).