Campos dos Goytacazes weather in May

In May, Campos dos Goytacazes sees average daytime highs of 28°C and overnight lows near 20°C, with 47 mm of rain across 8.9 wet days and about 11 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Campos dos Goytacazes's 4th-clearest and 10th-windiest month. For the whole year in context, see Campos dos Goytacazes's year-round climate.

Daytime high
28°
9th warmest
Overnight low
20°
4th coldest
Rainfall
47 mm
8.9 wet days
Daylight
11 hours
7:13 AM – 6:10 PM
Cloud cover
51%
4th clearest
Wind
9 km/h
10th windiest
Solar energy
3.88 kWh/m²
Travel score
6.3
out of 10

Campos dos Goytacazes 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

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Campos dos Goytacazes reaches about 28°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22920
32920
42920
52920
62920
72920
82920
92820
102820
112820
122820
132820
142820
152820
162820
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

How May really feels in Campos dos Goytacazes

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Campos dos Goytacazes weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°15513.613.23.7
Feb33° / 24°8010.212.73.6
Mar32° / 23°14315.712.23.6
Apr30° / 22°8212.411.54.7
May28° / 20°478.9116.3
Jun28° / 18°20510.77.3
Jul27° / 18°225.310.87.4
Aug28° / 18°214.811.37.3
Sep28° / 20°477.811.96.2
Oct29° / 21°8210.112.55.4
Nov29° / 22°16916.1134.4
Dec31° / 23°19617.913.33.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36535
46535
56535
66436
76337
86238
96139
106040
115941
125842
135743
145644
155644
165644
175644
185644
195644
205644
215743
225743
235842
245941
256040
266139
276139
286337
296436
306436
316535

Chance of precipitation in May

Any precipitation

Campos dos Goytacazes gets around 47 mm of rain over 8.9 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 29% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
430
530
629
729
828
928
1028
1128
1229
1329
1430
1530
1630
1731
1831
1931
2031
2131
2231
2330
2430
2529
2628
2727
2826
2925
3024
3123

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12184535
22194633
33204630
43224728
54234727
64244725
74254724
84264723
94274722
105274721
115284720
125294719
135294719
146304718
156304717
166314716
176314716
186314715
196324814
207324814
217324813
227324812
237324812
248324811
258334811
269334810
279334810
2810334710
2910324710
301132479
311132479

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 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
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:06 AM to 7:19 AM, and sunset from 6:19 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:066:19
211.27:076:18
311.27:076:17
411.27:076:17
511.17:086:16
611.17:086:16
711.17:096:15
811.17:096:14
911.17:106:14
1011.17:106:13
1111.07:106:13
1211.07:116:12
1311.07:116:12
1411.07:126:11
1511.07:126:11
1611.07:136:10
1710.97:136:10
1810.97:146:10
1910.97:146:09
2010.97:146:09
2110.97:156:09
2210.97:156:08
2310.97:166:08
2410.97:166:08
2510.87:176:07
2610.87:176:07
2710.87:186:07
2810.87:186:07
2910.87:186:06
3010.87:196:06
3110.87:196:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.88 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 6.61 kWh/m² in February across the year — May's 3.88 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Moderate
124.0Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for Campos dos Goytacazes

In seasonPeak

None of Campos dos Goytacazes's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Campos dos Goytacazes's rainy season runs November–January, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Campos dos Goytacazes?

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

6.3
Sightseeing
4th-best month of the year
7.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Campos dos Goytacazes for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Campos dos Goytacazes in May

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

In May, Campos dos Goytacazes sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Campos dos Goytacazes in May

The nearest coast averages about 24°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in March at about 25°C and coldest in August near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Campos dos Goytacazes in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Campos dos Goytacazes peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 14Jun 23UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Campos dos Goytacazes?

Campos dos Goytacazes sits at 21.8°S, 41.3°W, 13 m above sea level, in Brazil. The nearest listed city is São João da Barra, 31 km away.

Topography around Campos dos Goytacazes

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

Within 3 km, the terrain around Campos dos Goytacazes has only modest variations in elevation — a maximum elevation change of 17 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 400 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around Campos dos Goytacazes is covered by artificial surfaces (63%) within 3 km, grassland (62%) within 16 km, and grassland (47%) and water (33%) within 80 km.

3 km
17 m
16 km
400 m
80 km
1,716 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: São João da Barra 31 km · Quissamã 42 km · São Fidélis 45 km · São Francisco de Itabapoana 63 km · Cambuci 63 km · Conceição de Macabu 67 km · Mimoso do Sul 77 km · Itaocara 78 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 Campos dos Goytacazes (-21.7523°, -41.3304°, elevation 13 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).