Campo Maior weather in January

In January, Campo Maior sees average daytime highs of 33°C and overnight lows near 24°C, with 214 mm of rain across 19.6 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 33°C by the end. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Campo Maior's 9th-clearest and 9th-windiest month. For the whole year in context, see Campo Maior's year-round climate.

Daytime high
33°
8th warmest
Overnight low
24°
7th coldest
Rainfall
214 mm
19.6 wet days
Daylight
12 h 18 min
5:50 AM – 6:06 PM
Cloud cover
73%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
5.28 kWh/m²
Travel score
2.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 33°C by the end.

A typical January day in Campo Maior reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C warmer than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23425
33425
43425
53425
63425
73425
83424
93424
103424
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How January really feels in Campo Maior

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.

Campo Maior weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°21419.612.22.5
Feb32° / 24°24120.312.22.6
Mar32° / 24°31425.3122.6
Apr32° / 24°2502211.92.8
May33° / 24°10211.411.83.5
Jun34° / 24°143.111.73.8
Jul34° / 24°71.211.73.6
Aug36° / 25°10.311.82.8
Sep37° / 26°20.4121.9
Oct38° / 26°141.412.11.5
Nov37° / 26°253.812.21.7
Dec36° / 26°758.812.32.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43268
53268
63070
73070
82872
92872
102674
112674
122476
132476
142377
152377
162377
172377
182377
192377
202476
212575
222674
232773
242773
252773
262674
272773
282773
292773
302773
312773

Chance of precipitation in January

Any precipitation

Campo Maior gets around 214 mm of rain over 19.6 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 63% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
252
353
455
556
657
758
859
961
1062
1163
1264
1365
1466
1567
1667
1768
1868
1968
2068
2167
2267
2367
2467
2567
2666
2766
2865
2965
3064
3163

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1724690
2722710
3721711
4620731
5619741
6617761
7616771
8515791
9514801
10513802
11413812
12412822
13411832
14311842
15310852
16310843
17210853
1829863
1929863
2029863
2129863
2219873
2319864
2419864
2519864
2619864
2719864
2819864
2919855
3019855
3119855

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.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
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 18 min at the start of January to 12 h 12 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 5:44 AM to 5:56 AM, and sunset from 6:00 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:446:00
212.35:446:01
312.35:456:01
412.35:456:01
512.35:456:02
612.35:466:02
712.35:466:03
812.35:476:03
912.35:476:03
1012.35:486:04
1112.35:486:04
1212.35:496:04
1312.35:496:05
1412.35:506:05
1512.35:506:05
1612.35:506:06
1712.25:516:06
1812.25:516:06
1912.25:526:06
2012.25:526:07
2112.25:526:07
2212.25:536:07
2312.25:536:07
2412.25:536:07
2512.25:546:08
2612.25:546:08
2712.25:546:08
2812.25:556:08
2912.25:556:08
3012.25:556:08
3112.25:566:08

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 6.85 kWh/m² in October across the year — January's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Campo Maior

In seasonPeak

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

Campo Maior's monsoon runs January–April, 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 Campo Maior?

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

2.5
Sightseeing
8th-best month of the year
4.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Campo Maior.

What to pack for Campo Maior in January

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

In January, Campo Maior sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Campo Maior 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 Campo Maior peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 15UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Campo Maior 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 Campo Maior is worst in November — around 16 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1816 µg/m³Jul 155 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar12Moderate
Apr11Good
May8Good
Jun6Good
Jul4Good
Aug6Good
Sep7Good
Oct12Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Campo Maior?

Campo Maior sits at 4.8°S, 42.2°W, 128 m above sea level, in Brazil. The nearest listed city is Altos, 40 km away.

Topography around Campo Maior

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

Within 3 km, the terrain around Campo Maior has only modest variations in elevation — a maximum elevation change of 21 m around an average of 120 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 295 m; within 80 km, significant variations in elevation — a maximum elevation change of 497 m.

The land around Campo Maior is covered by grassland (54%) within 3 km, grassland (60%) and shrubs (27%) within 16 km, and trees (39%), shrubs (36%) and grassland (23%) within 80 km.

3 km
21 m
16 km
295 m
80 km
497 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Altos 40 km · José de Freitas 46 km · Barras 66 km · Piripiri 75 km · Teresina 76 km · Timon 80 km · Demerval Lobão 82 km · União 82 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 Campo Maior (-4.8278°, -42.1686°, elevation 128 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).