Riacho de Santana weather in January

In January, Riacho de Santana sees average daytime highs of 31°C and overnight lows near 22°C, with 106 mm of rain across 11.6 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 25% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of January to 12 h 36 min by month's end. Set against the rest of the year, January is Riacho de Santana's 10th-clearest and 9th-windiest month. For the whole year in context, see Riacho de Santana's year-round climate.

Daytime high
31°
7th warmest
Overnight low
22°
9th coldest
Rainfall
106 mm
11.6 wet days
Daylight
12 h 42 min
5:39 AM – 6:23 PM
Cloud cover
65%
10th clearest
Wind
7 km/h
9th windiest
Solar energy
6.27 kWh/m²
Travel score
4.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Riacho de Santana reaches about 31°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143121
153121
163121
173121
183121
193121
203121
213121
223122
233122
243122
253122
263122
273122
283122
293222
303222
313222

How January really feels in Riacho de Santana

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.

Riacho de Santana weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°10611.612.74.1
Feb32° / 22°7710.812.54.0
Mar31° / 22°9611.712.14.1
Apr31° / 21°435.911.74.8
May31° / 20°81.611.45.5
Jun30° / 19°10.411.26.3
Jul30° / 18°00.111.36.5
Aug31° / 18°10.111.55.7
Sep33° / 20°61.311.94.2
Oct34° / 22°365.312.33.4
Nov32° / 22°12912.912.63.7
Dec31° / 22°10712.912.84.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74357
84258
94258
104258
114258
124258
134159
144159
154159
164159
174159
184159
194159
204159
214258
224159
234258
244258
254357
264357
274456
284456
294456
304555
314654

Chance of precipitation in January

Any precipitation

Riacho de Santana gets around 106 mm of rain over 11.6 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
440
540
640
740
839
939
1039
1139
1239
1339
1439
1539
1639
1740
1839
1939
2039
2138
2238
2337
2436
2536
2635
2735
2835
2935
3034
3134

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1742447
2641458
3641458
4641458
5641458
6641458
7640459
8640459
9640459
10739459
11738459
12838469
13837469
14936469
159354610
169344610
1710334610
1810334610
1911324611
2011324611
2111324611
2212324611
2312324611
2412324510
2512334510
261234459
271234459
281135468
291135468
301136468
311036467

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
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 48 min at the start of January to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:31 AM to 5:47 AM, and sunset from 6:19 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:316:19
212.85:326:19
312.85:326:19
412.85:336:20
512.85:336:20
612.85:346:20
712.85:346:21
812.85:356:21
912.85:366:21
1012.85:366:21
1112.85:376:22
1212.75:376:22
1312.75:386:22
1412.75:386:22
1512.75:396:23
1612.75:396:23
1712.75:406:23
1812.75:406:23
1912.75:416:23
2012.75:426:23
2112.75:426:23
2212.75:436:23
2312.75:436:23
2412.75:446:23
2512.75:446:23
2612.65:456:23
2712.65:456:23
2812.65:466:23
2912.65:466:23
3012.65:466:23
3112.65:476:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.27 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.61 kWh/m² in October across the year — January's 6.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in January

Hazard calendar for Riacho de Santana

In seasonPeak

In January, Riacho de Santana sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Riacho de Santana's rainy season runs November–March, 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 Riacho de Santana?

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

4.1
Sightseeing
7th-best month of the year
6.2
Beach & pool
10th-best month of the year

January is a reasonable time to visit Riacho de Santana for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Riacho de Santana in January

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

In January, Riacho de Santana sees daytime highs around 31°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Riacho de Santana in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riacho de Santana peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Riacho de Santana?

Riacho de Santana sits at 13.6°S, 42.9°W, 626 m above sea level, in Brazil. The nearest listed city is Igaporã, 30 km away.

Topography around Riacho de Santana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riacho de Santana.

Within 3 km, the terrain around Riacho de Santana has only modest variations in elevation — a maximum elevation change of 247 m around an average of 637 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 710 m; within 80 km, large variations in elevation — a maximum elevation change of 813 m.

The land around Riacho de Santana is covered by shrubs (31%), trees (29%) and grassland (26%) within 3 km, shrubs (40%), trees (32%) and grassland (20%) within 16 km, and shrubs (47%) and trees (21%) within 80 km.

3 km
247 m
16 km
710 m
80 km
813 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Igaporã 30 km · Tanque Novo 49 km · Bom Jesus da Lapa 65 km · Serra do Ramalho 70 km · Guanambi 70 km · Macaúbas 71 km · Caetité 72 km · Palmas de Monte Alto 77 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 Riacho de Santana (-13.6092°, -42.9389°, elevation 626 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).