São Fidélis weather in May

In May, São Fidélis sees average daytime highs of 26°C and overnight lows near 17°C, with 65 mm of rain across 10.4 wet days and about 11 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 28% 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 São Fidélis's 4th-clearest and 10th-windiest month. For the whole year in context, see São Fidélis's year-round climate.

Daytime high
26°
9th warmest
Overnight low
17°
5th coldest
Rainfall
65 mm
10.4 wet days
Daylight
11 hours
7:14 AM – 6:12 PM
Cloud cover
57%
4th clearest
Wind
5 km/h
10th windiest
Solar energy
3.65 kWh/m²
Travel score
6.6
out of 10

São Fidélis is 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 27°C in the first days to 25°C by the end.

A typical May day in São Fidélis reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82618
92618
102618
112618
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

How May really feels in São Fidélis

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.

São Fidélis 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
Jan30° / 21°22419.113.23.8
Feb31° / 21°13414.912.74.0
Mar30° / 21°18719.112.24.1
Apr28° / 20°9914.111.55.5
May26° / 17°6510.4116.6
Jun25° / 16°285.810.77.6
Jul25° / 16°265.910.87.7
Aug26° / 16°296.511.37.4
Sep27° / 17°7210.211.96.5
Oct27° / 19°11613.812.55.7
Nov28° / 20°23720134.6
Dec29° / 21°27722.313.33.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45644
55545
65545
75446
85347
95248
105149
115050
124951
134852
144852
154753
164753
174852
184852
194852
204951
215050
225050
235050
245149
255248
265347
275347
285446
295644
305644
315743

Chance of precipitation in May

Any precipitation

São Fidélis gets around 65 mm of rain over 10.4 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 34% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
535
634
734
834
934
1035
1135
1236
1336
1437
1537
1637
1737
1837
1937
2037
2136
2236
2335
2434
2533
2632
2731
2830
2929
3028
3127

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10731539
20832528
30933517
401034506
501035495
611136484
711137474
811238464
911238464
1011338453
1111339443
1211339443
1311340433
1411440432
1511441422
1611441422
1721442412
1821442412
1921443402
2021443391
2121443391
2221544381
2331544371
2431545361
2531645351
2631646351
2731746341
2831746331
2931746331
3031846331
3131846321

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:08 AM to 7:21 AM, and sunset from 6:21 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:086:21
211.27:086:20
311.27:096:19
411.27:096:19
511.17:096:18
611.17:106:17
711.17:106:17
811.17:116:16
911.17:116:16
1011.17:126:15
1111.07:126:15
1211.07:126:14
1311.07:136:14
1411.07:136:13
1511.07:146:13
1611.07:146:12
1711.07:156:12
1810.97:156:12
1910.97:156:11
2010.97:166:11
2110.97:166:10
2210.97:176:10
2310.97:176:10
2410.97:186:10
2510.97:186:09
2610.87:196:09
2710.87:196:09
2810.87:196:09
2910.87:206:08
3010.87:206:08
3110.87:216:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.65 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.11 kWh/m² in February across the year — May's 3.65 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for São Fidélis

In seasonPeak

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

São Fidélis's rainy season runs November–March, 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 São Fidélis?

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

6.6
Sightseeing
4th-best month of the year
6.3
Beach & pool
5th-best month of the year

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

What to pack for São Fidélis in May

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

In May, São Fidélis sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near São Fidélis 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 66 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 São Fidélis 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 São Fidélis 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
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is São Fidélis?

São Fidélis sits at 21.6°S, 41.7°W, 22 m above sea level, in Brazil. The nearest listed city is Cambuci, 19 km away.

Topography around São Fidélis

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

Within 3 km, the terrain around São Fidélis has significant variations in elevation — a maximum elevation change of 325 m around an average of 77 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,301 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around São Fidélis is covered by grassland (57%) and trees (26%) within 3 km, grassland (64%) and trees (34%) within 16 km, and grassland (65%) and trees (24%) within 80 km.

3 km
325 m
16 km
1,301 m
80 km
1,716 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Cambuci 19 km · Itaocara 34 km · Campos dos Goytacazes 45 km · Santo Antônio de Pádua 46 km · Conceição de Macabu 50 km · Itaperuna 51 km · Miracema 53 km · Bom Jesus do Itabapoana 57 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 São Fidélis (-21.6461°, -41.7469°, elevation 22 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).