São João do Rio do Peixe weather in January

In January, São João do Rio do Peixe sees average daytime highs of 34°C and overnight lows near 24°C, with 92 mm of rain across 11.2 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 29% of the time in January, and the air most often feels muggy.

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 São João do Rio do Peixe's 11th-clearest and 8th-windiest month. For the whole year in context, see São João do Rio do Peixe's year-round climate.

Daytime high
34°
5th warmest
Overnight low
24°
10th coldest
Rainfall
92 mm
11.2 wet days
Daylight
12 h 24 min
5:33 AM – 5:54 PM
Cloud cover
60%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
6.11 kWh/m²
Travel score
3.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical January day in São João do Rio do Peixe reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C warmer than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How January really feels in São João do Rio do Peixe

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.

São João do Rio do Peixe weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°9211.212.33.0
Feb33° / 24°10212.712.23.1
Mar32° / 23°14016.7123.3
Apr32° / 23°9313.211.93.7
May32° / 23°50711.74.3
Jun32° / 22°18311.64.9
Jul32° / 21°71.611.64.8
Aug33° / 21°40.511.84.2
Sep35° / 22°10.2123.4
Oct36° / 23°60.812.12.9
Nov36° / 24°40.812.32.8
Dec35° / 24°223.812.42.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35842
45842
55743
65644
75545
85446
95446
105347
115149
125050
134951
144852
154852
164753
174654
184654
194654
204753
214753
224654
234753
244753
254852
264852
274951
284951
294951
305050
315050

Chance of precipitation in January

Any precipitation

São João do Rio do Peixe gets around 92 mm of rain over 11.2 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 36% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
122
223
324
425
525
626
727
828
929
1030
1132
1234
1335
1437
1538
1640
1741
1842
1943
2044
2144
2244
2345
2445
2544
2644
2743
2843
2942
3041
3140

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
110413810
210403811
310403812
410393814
59383815
69373816
79363817
89353818
99343819
109333821
118323822
128313824
138303825
147293727
157273728
167263730
176263632
186253633
196243634
206233635
215233636
225223637
235223638
244223638
254213738
264213738
273213837
283223837
293223936
303224035
313224134

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:25 AM to 5:38 AM, and sunset from 5:48 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:255:48
212.45:265:49
312.45:265:49
412.45:275:50
512.45:275:50
612.45:285:50
712.45:285:51
812.45:295:51
912.45:295:52
1012.45:305:52
1112.45:305:52
1212.45:315:52
1312.45:315:53
1412.45:325:53
1512.45:325:53
1612.45:335:54
1712.35:335:54
1812.35:335:54
1912.35:345:54
2012.35:345:55
2112.35:355:55
2212.35:355:55
2312.35:355:55
2412.35:365:55
2512.35:365:55
2612.35:375:56
2712.35:375:56
2812.35:375:56
2912.35:385:56
3012.35:385:56
3112.35:385:56

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.11 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 7.19 kWh/m² in October across the year — January's 6.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.2Intense
Planning a trip in January

Hazard calendar for São João do Rio do Peixe

In seasonPeak

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

São João do Rio do Peixe's rainy season runs January–April, 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 São João do Rio do Peixe?

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

3.0
Sightseeing
9th-best month of the year
5.8
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in São João do Rio do Peixe.

What to pack for São João do Rio do Peixe in January

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

In January, São João do Rio do Peixe sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in São João do Rio do Peixe 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 São João do Rio do Peixe peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 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 13UV 15Jul 16UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in São João do Rio do Peixe 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 São João do Rio do Peixe is worst in November — around 18 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1418 µg/m³Jul 164 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar9Good
Apr9Good
May7Good
Jun5Good
Jul4Good
Aug5Good
Sep9Good
Oct15Moderate
Nov18Moderate
Dec13Moderate
Location & terrain

Where is São João do Rio do Peixe?

São João do Rio do Peixe sits at 6.7°S, 38.4°W, 247 m above sea level, in Brazil. The nearest listed city is Cajazeiras, 21 km away.

Topography around São João do Rio do Peixe

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

Within 3 km, the terrain around São João do Rio do Peixe has only modest variations in elevation — a maximum elevation change of 48 m around an average of 248 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 750 m.

The land around São João do Rio do Peixe is covered by grassland (36%), cropland (31%) and shrubs (25%) within 3 km, shrubs (44%) and grassland (34%) within 16 km, and shrubs (60%) and grassland (27%) within 80 km.

3 km
48 m
16 km
306 m
80 km
750 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Cajazeiras 21 km · Sousa 25 km · São José de Piranhas 44 km · Lavras da Mangabeira 57 km · São Miguel 58 km · Icó 58 km · Barro 62 km · Aurora 62 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 São João do Rio do Peixe (-6.7292°, -38.4489°, elevation 247 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).