Campo Bom weather in May

In May, Campo Bom sees average daytime highs of 21°C and overnight lows near 13°C, with 117 mm of rain across 10.1 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Campo Bom's 9th-clearest and 11th-windiest month. For the whole year in context, see Campo Bom's year-round climate.

Daytime high
21°
9th warmest
Overnight low
13°
5th coldest
Rainfall
117 mm
10.1 wet days
Daylight
10 h 30 min
8:05 AM – 6:36 PM
Cloud cover
60%
9th clearest
Wind
8 km/h
11th windiest
Solar energy
2.86 kWh/m²
Travel score
6.6
out of 10

Campo Bom is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical May day in Campo Bom reaches about 21°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72213
82213
92213
102213
112213
122213
132213
142213
152213
162113
172113
182112
192112
202112
212112
222112
232112
242112
252012
262012
272012
282011
292011
302011
312011

Campo Bom weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54753
64654
74654
84654
94753
104654
114654
124753
134753
144753
154753
164753
174753
184753
194753
204753
214753
224654
234654
244654
254654
264555
274456
284456
294456
304357
314357

Chance of precipitation in May

Any precipitation

Campo Bom gets around 117 mm of rain over 10.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
632
732
832
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
3132

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1262729161
2272729151
3282829151
4292828141
5292928131
6303028121
7303027111
8313127100
9313227100
1032322790
1132332780
1233332770
1333332770
1434332660
1534332660
1635332660
1736332650
1837332550
1939322550
2040312440
2142312340
2243302340
2345292240
2447292140
2548282030
2649282030
2751271930
2852271830
2954261730
3054261730
3154261730

Wind in May

Winds average 8 km/h in May.

Across May, 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:55 AM to 8:14 AM, and sunset from 6:48 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:556:48
210.87:566:47
310.87:576:46
410.87:576:45
510.87:586:44
610.77:596:43
710.77:596:42
810.78:006:42
910.78:006:41
1010.68:016:40
1110.68:026:39
1210.68:026:39
1310.68:036:38
1410.68:046:37
1510.58:046:37
1610.58:056:36
1710.58:066:35
1810.58:066:35
1910.58:076:34
2010.48:086:34
2110.48:086:33
2210.48:096:33
2310.48:096:32
2410.48:106:32
2510.38:116:31
2610.38:116:31
2710.38:126:30
2810.38:126:30
2910.38:136:30
3010.38:136:29
3110.38:146:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.86 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 — May's 2.86 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Campo Bom?

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

6.6
Sightseeing
2nd-best month of the year
4.3
Beach & pool
9th-best month of the year

May is a reasonable time to visit Campo Bom for sightseeing.

What to pack for Campo Bom in May

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

In May, Campo Bom sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Campo Bom in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).