São Francisco de Itabapoana weather in May

In May, São Francisco de Itabapoana sees average daytime highs of 25°C and overnight lows near 21°C, with 59 mm of rain across 10.1 wet days and about 11 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 47% 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 Francisco de Itabapoana's 4th-clearest and 10th-windiest month. For the whole year in context, see São Francisco de Itabapoana's year-round climate.

Daytime high
25°
7th warmest
Overnight low
21°
5th coldest
Rainfall
59 mm
10.1 wet days
Daylight
11 hours
7:10 AM – 6:10 PM
Cloud cover
46%
4th clearest
Wind
12 km/h
10th windiest
Solar energy
3.86 kWh/m²
Travel score
7.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in São Francisco de Itabapoana reaches about 25°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32621
42621
52621
62621
72621
82621
92621
102621
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222520
232520
242520
252520
262520
272520
282520
292520
302520
312520

São Francisco de Itabapoana weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°11010.813.26.2
Feb28° / 24°71812.76.6
Mar28° / 24°11713.612.26.0
Apr27° / 23°7912.111.56.4
May25° / 21°5910.1117.0
Jun25° / 20°326.810.77.8
Jul24° / 19°357.610.87.8
Aug24° / 19°336.811.37.9
Sep25° / 20°568.811.97.3
Oct25° / 21°8510.512.56.7
Nov26° / 22°16315.4135.7
Dec27° / 23°17215.613.35.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47426
57426
67327
77327
87228
97129
106931
116832
126733
136634
146535
156535
166436
176436
186436
196436
206436
216535
226535
236634
246733
256832
266931
276931
287030
297129
307327
317327

Chance of precipitation in May

Any precipitation

São Francisco de Itabapoana gets around 59 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
332
432
532
632
731
832
932
1032
1133
1234
1334
1435
1535
1636
1736
1836
1936
2036
2136
2235
2335
2435
2534
2633
2733
2832
2931
3030
3129

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11164340
21174438
31184535
42194633
52204632
62214630
72224629
83234628
93244627
103244726
113254725
124264724
134264723
144274722
154274821
164274820
175274919
185275018
195285017
205285017
215285116
225285215
235285314
246285313
256285412
266285412
276285511
287285510
297285510
308275510
31827569

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 7:04 AM to 7:17 AM, and sunset from 6:18 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:046:18
211.27:056:17
311.27:056:17
411.27:056:16
511.27:066:15
611.17:066:15
711.17:076:14
811.17:076:14
911.17:076:13
1011.17:086:13
1111.17:086:12
1211.07:096:12
1311.07:096:11
1411.07:106:11
1511.07:106:10
1611.07:106:10
1711.07:116:09
1811.07:116:09
1910.97:126:09
2010.97:126:08
2110.97:136:08
2210.97:136:08
2310.97:146:07
2410.97:146:07
2510.97:146:07
2610.97:156:06
2710.87:156:06
2810.87:166:06
2910.87:166:06
3010.87:176:06
3110.87:176:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.86 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 6.48 kWh/m² in February across the year — May's 3.86 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for São Francisco de Itabapoana

In seasonPeak

None of São Francisco de Itabapoana'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 Francisco de Itabapoana's rainy season runs October–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 São Francisco de Itabapoana?

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

7.0
Sightseeing
5th-best month of the year
6.4
Beach & pool
6th-best month of the year

May is one of the better times to visit São Francisco de Itabapoana for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Francisco de Itabapoana in May

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

In May, São Francisco de Itabapoana sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near São Francisco de Itabapoana 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 offshore is warmest in March at about 25°C and coldest in August near 23°C.

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

22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Warm

UV index in São Francisco de Itabapoana 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 Francisco de Itabapoana peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is São Francisco de Itabapoana?

São Francisco de Itabapoana sits at 21.3°S, 41.0°W, 1 m above sea level, in Brazil. The nearest listed city is Marataizes, 32 km away.

Topography around São Francisco de Itabapoana

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

Within 3 km, the terrain around São Francisco de Itabapoana has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,346 m.

The land around São Francisco de Itabapoana is covered by water (50%) and grassland (25%) within 3 km, water (51%) and grassland (26%) within 16 km, and grassland (47%) and water (31%) within 80 km.

3 km
23 m
16 km
86 m
80 km
1,346 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Marataizes 32 km · Itapemirim 35 km · São João da Barra 39 km · Mimoso do Sul 50 km · Cachoeiro de Itapemirim 53 km · Piúma 57 km · Campos dos Goytacazes 63 km · Anchieta 64 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 Francisco de Itabapoana (-21.3019°, -40.9614°, elevation 1 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).