Cajazeiras weather in January

In January, Cajazeiras sees average daytime highs of 33°C and overnight lows near 24°C, with 99 mm of rain across 12.6 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 26% 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 Cajazeiras's 11th-clearest and 9th-windiest month. For the whole year in context, see Cajazeiras's year-round climate.

Daytime high
33°
5th warmest
Overnight low
24°
10th coldest
Rainfall
99 mm
12.6 wet days
Daylight
12 h 24 min
5:33 AM – 5:54 PM
Cloud cover
61%
11th clearest
Wind
10 km/h
9th windiest
Solar energy
6.07 kWh/m²
Travel score
3.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical January day in Cajazeiras reaches about 33°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 2°C cooler than December and about 1°C warmer than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133324
143324
153324
163324
173324
183324
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How January really feels in Cajazeiras

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.

Cajazeiras weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°9912.612.43.1
Feb33° / 23°12113.312.23.3
Mar32° / 23°15817.8123.4
Apr32° / 23°9713.611.93.8
May31° / 22°507.511.74.5
Jun31° / 21°193.511.65.1
Jul31° / 20°8211.65.1
Aug33° / 21°50.511.84.5
Sep35° / 22°10.4123.6
Oct35° / 23°6112.23.0
Nov35° / 24°61.312.32.9
Dec35° / 24°274.512.43.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35545
45446
55446
65347
75347
85248
95050
104951
114852
124654
134654
144456
154357
164357
174357
184258
194159
204357
214357
224357
234357
244357
254654
264654
274654
284753
294753
304753
314753

Chance of precipitation in January

Any precipitation

Cajazeiras gets around 99 mm of rain over 12.6 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 41% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
126
227
328
429
530
631
732
833
934
1036
1137
1239
1341
1442
1544
1645
1746
1847
1948
2049
2149
2249
2349
2449
2548
2648
2747
2846
2945
3044
3144

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
114433410
213423411
313423412
412413413
512403414
612393415
711383416
811373417
911363518
1011353519
1111333521
1210323622
1310313623
1410293625
159283627
169273628
179263630
188253631
198243633
208233534
217233535
227223535
236223536
246223636
256223637
265223637
275223636
284233736
294233835
304233934
314234033

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:26 AM to 5:38 AM, and sunset from 5:49 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:265:49
212.45:265:50
312.45:275:50
412.45:275:50
512.45:285:51
612.45:285:51
712.45:295:52
812.45:295:52
912.45:295:52
1012.45:305:53
1112.45:305:53
1212.45:315:53
1312.45:315:53
1412.45:325:54
1512.45:325:54
1612.45:335:54
1712.45:335:55
1812.45:345:55
1912.45:345:55
2012.35:345:55
2112.35:355:55
2212.35:355:56
2312.35:365:56
2412.35:365:56
2512.35:365:56
2612.35:375:56
2712.35:375:56
2812.35:375:56
2912.35:385:56
3012.35:385:57
3112.35:385:57

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.07 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 7.14 kWh/m² in October across the year — January's 6.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Cajazeiras

In seasonPeak

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

Cajazeiras'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 Cajazeiras?

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

3.1
Sightseeing
9th-best month of the year
5.7
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Cajazeiras.

What to pack for Cajazeiras in January

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

In January, Cajazeiras sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Cajazeiras 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 Cajazeiras 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 Cajazeiras 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 Cajazeiras 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 Cajazeiras?

Cajazeiras sits at 6.9°S, 38.6°W, 305 m above sea level, in Brazil. The nearest listed city is São João do Rio do Peixe, 21 km away.

Topography around Cajazeiras

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

Within 3 km, the terrain around Cajazeiras has only modest variations in elevation — a maximum elevation change of 87 m around an average of 302 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 455 m; within 80 km, large variations in elevation — a maximum elevation change of 774 m.

The land around Cajazeiras is covered by grassland (37%), shrubs (28%) and artificial surfaces (22%) within 3 km, shrubs (54%) and grassland (31%) within 16 km, and shrubs (60%) and grassland (27%) within 80 km.

3 km
87 m
16 km
455 m
80 km
774 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: São João do Rio do Peixe 21 km · São José de Piranhas 26 km · Sousa 39 km · Barro 41 km · Aurora 46 km · Lavras da Mangabeira 48 km · Mauriti 61 km · Milagres 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 Cajazeiras (-6.8903°, -38.5553°, elevation 305 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).