Rio Largo weather in May

In May, Rio Largo sees average daytime highs of 28°C and overnight lows near 24°C, with 149 mm of rain across 24 wet days and about 11.6 hours of daylight. It is the 7th-warmest and 3rd-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 33% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Rio Largo's 12th-clearest and 11th-windiest month. For the whole year in context, see Rio Largo's year-round climate.

Daytime high
28°
7th warmest
Overnight low
24°
7th coldest
Rainfall
149 mm
24 wet days
Daylight
11 h 36 min
5:33 AM – 5:07 PM
Cloud cover
55%
12th clearest
Wind
11 km/h
11th windiest
Solar energy
4.45 kWh/m²
Travel score
4.5
out of 10

Rio Largo 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 Rio Largo reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182724
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

How May really feels in Rio Largo

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.

Rio Largo weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°5515.312.55.0
Feb29° / 24°5715.812.34.6
Mar29° / 24°7118.212.14.6
Apr29° / 24°10920.711.84.3
May28° / 24°1492411.64.5
Jun26° / 23°17125.211.54.4
Jul26° / 22°16125.811.54.5
Aug26° / 22°10023.411.74.9
Sep26° / 22°6518.811.95.4
Oct27° / 23°4915.712.25.9
Nov28° / 24°3311.812.45.7
Dec29° / 24°3011.512.55.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55743
65743
75842
85941
95941
106040
116139
126139
136238
146238
156139
166139
176238
186238
196139
206139
216139
226238
236139
246139
256238
266238
276337
286337
296436
306535
316535

Chance of precipitation in May

Any precipitation

Rio Largo gets around 149 mm of rain over 24 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 77% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
377
477
577
677
777
877
976
1076
1176
1275
1375
1475
1575
1675
1775
1876
1976
2076
2177
2277
2378
2478
2579
2679
2780
2880
2981
3081
3181

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13943
24942
34942
44942
54942
64942
75932
85932
95941
105941
115941
125941
135941
145941
155941
165941
176931
186940
196940
206940
216940
226940
236940
247930
257930
267930
277930
288920
298920
308920
319910

Wind in May

Winds average 11 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
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 42 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 5:31 AM to 5:36 AM, and sunset from 5:11 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:315:11
211.75:315:10
311.75:315:10
411.65:315:10
511.65:315:09
611.65:315:09
711.65:315:09
811.65:315:08
911.65:315:08
1011.65:325:08
1111.65:325:08
1211.65:325:07
1311.65:325:07
1411.65:325:07
1511.65:325:07
1611.65:335:07
1711.65:335:07
1811.65:335:06
1911.55:335:06
2011.55:335:06
2111.55:345:06
2211.55:345:06
2311.55:345:06
2411.55:345:06
2511.55:355:06
2611.55:355:06
2711.55:355:06
2811.55:355:06
2911.55:365:06
3011.55:365:06
3111.55:365:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.3 kWh/m² in November across the year — May's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Rio Largo

In seasonPeak

In May, Rio Largo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rio Largo's rainy season runs April–August, 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 Rio Largo?

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

4.5
Sightseeing
9th-best month of the year
4.7
Beach & pool
9th-best month of the year

May is a reasonable time to visit Rio Largo for sightseeing.

What to pack for Rio Largo in May

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

In May, Rio Largo sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

Sea temperature near Rio Largo in May

The nearest coast averages about 28°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 30 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in Rio Largo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Largo peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Rio Largo?

Rio Largo sits at 9.5°S, 35.9°W, 97 m above sea level, in Brazil. The nearest listed city is Satuba, 10 km away.

Topography around Rio Largo

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

Within 3 km, the terrain around Rio Largo has only modest variations in elevation — a maximum elevation change of 149 m around an average of 80 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, large variations in elevation — a maximum elevation change of 909 m.

The land around Rio Largo is covered by grassland (51%) and trees (24%) within 3 km, grassland (42%), trees (26%) and cropland (23%) within 16 km, and grassland (48%) and water (26%) within 80 km.

3 km
149 m
16 km
245 m
80 km
909 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Satuba 10 km · Messias 11 km · Pilar 17 km · Atalaia 19 km · Murici 21 km · Maceió 25 km · Capela 25 km · Marechal Deodoro 26 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 Rio Largo (-9.4783°, -35.8533°, elevation 97 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).