Campo Bom weather in January

In January, Campo Bom sees average daytime highs of 29°C and overnight lows near 20°C, with 164 mm of rain across 15.5 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 31% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Campo Bom's 7th-clearest and 6th-windiest month. For the whole year in context, see Campo Bom's year-round climate.

Daytime high
29°
1st warmest
Overnight low
20°
12th coldest
Rainfall
164 mm
15.5 wet days
Daylight
13 h 42 min
6:42 AM – 8:25 PM
Cloud cover
58%
7th clearest
Wind
8 km/h
6th windiest
Solar energy
6.2 kWh/m²
Travel score
4.7
out of 10

Campo Bom is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Campo Bom reaches about 29°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Campo Bom weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°16415.513.74.7
Feb29° / 20°13914.713.14.8
Mar28° / 18°13213.512.25.8
Apr25° / 16°10910.311.36.8
May21° / 13°11710.110.56.6
Jun20° / 11°11710.410.16.1
Jul19° / 10°14510.610.36.1
Aug21° / 11°12610.510.96.5
Sep22° / 13°1531211.86.3
Oct24° / 15°1841412.76.2
Nov26° / 16°13212.313.56.2
Dec29° / 18°14113.613.95.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55149
65149
75149
85149
95149
105149
115149
125149
135248
145149
155149
165248
175149
185149
195149
205149
215050
224951
235050
245050
255050
264951
274951
285050
295050
305050
315050

Chance of precipitation in January

Any precipitation

Campo Bom gets around 164 mm of rain over 15.5 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 50% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
346
446
547
648
749
849
950
1050
1150
1251
1351
1451
1551
1651
1751
1850
1950
2050
2150
2250
2351
2451
2551
2651
2752
2852
2953
3053
3153

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1162037350
2162037360
3152037360
4152037370
5151937370
6151938370
7141938380
8141838380
9141838380
10141839380
11141739380
12151739380
13151739380
14151740380
15151740370
16151740370
17151839370
18151839370
19151839371
20141839371
21141839371
22141839371
23141838381
24141838381
25141838391
26131837401
27031836411
28031836421
29031735422
30031735432
31031735432

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 54 min at the start of January to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:31 AM to 6:55 AM, and sunset from 8:24 PM to 8:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:318:24
213.96:328:24
313.96:328:24
413.96:338:24
513.86:348:24
613.86:358:25
713.86:358:25
813.86:368:25
913.86:378:25
1013.86:378:25
1113.86:388:25
1213.86:398:25
1313.86:408:25
1413.76:418:25
1513.76:418:25
1613.76:428:25
1713.76:438:25
1813.76:448:25
1913.76:458:24
2013.66:458:24
2113.66:468:24
2213.66:478:24
2313.66:488:24
2413.66:498:23
2513.66:508:23
2613.56:508:23
2713.56:518:22
2813.56:528:22
2913.56:538:21
3013.56:548:21
3113.46:558:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.2 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.48 kWh/m² in December across the year — January's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in January

Is January a good time to visit Campo Bom?

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

4.7
Sightseeing
12th-best month of the year
6.2
Beach & pool
3rd-best month of the year

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

What to pack for Campo Bom in January

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

In January, Campo Bom sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Campo Bom 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 Bom peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 16UV 13Jun 20UV 4
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Campo Bom 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 Bom is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1327 µg/m³Dec 2213 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr18Moderate
May21Moderate
Jun23Moderate
Jul25Moderate
Aug27Moderate
Sep23Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Campo Bom?

Campo Bom sits at 29.7°S, 51.1°W, 20 m above sea level, in Brazil. The nearest listed city is Sapiranga, 6.0 km away.

Topography around Campo Bom

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

Within 3 km, the terrain around Campo Bom has only modest variations in elevation — a maximum elevation change of 103 m around an average of 34 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 771 m; within 80 km, large variations in elevation — a maximum elevation change of 1,028 m.

The land around Campo Bom is covered by artificial surfaces (40%), trees (36%) and grassland (20%) within 3 km, trees (59%) and grassland (22%) within 16 km, and trees (55%) and grassland (24%) within 80 km.

3 km
103 m
16 km
771 m
80 km
1,028 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Sapiranga 6.0 km · Novo Hamburgo 7.0 km · Dois Irmãos 11 km · Estância Velha 12 km · São Leopoldo 13 km · Ivoti 14 km · Sapucaia do Sul 18 km · Nova Hartz 18 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 Bom (-29.6789°, -51.0533°, elevation 20 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).