São Caitano weather in May

In May, São Caitano sees average daytime highs of 28°C and overnight lows near 20°C, with 39 mm of rain across 9 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 2nd-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 16% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is São Caitano's 10th-clearest and 9th-windiest month. For the whole year in context, see São Caitano's year-round climate.

Daytime high
28°
8th warmest
Overnight low
20°
7th coldest
Rainfall
39 mm
9 wet days
Daylight
11 h 36 min
5:32 AM – 5:09 PM
Cloud cover
62%
10th clearest
Wind
11 km/h
9th windiest
Solar energy
4.52 kWh/m²
Travel score
6.3
out of 10

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 São Caitano reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242720
252720
262720
272720
282720
292720
302720
312720

São Caitano weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°388.912.44.9
Feb30° / 21°338.512.34.8
Mar30° / 21°4411.312.14.7
Apr29° / 21°3810.111.85.2
May28° / 20°39911.66.3
Jun26° / 19°36811.56.8
Jul25° / 18°26811.66.9
Aug26° / 18°16611.77.2
Sep28° / 18°103.6127.1
Oct30° / 19°82.512.26.2
Nov30° / 20°82.612.45.6
Dec31° / 20°134.412.55.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 31% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34258
44357
54357
64357
74555
84555
94555
104555
114555
124654
134753
144753
154852
164852
174852
184852
194852
204951
214951
224951
234951
244951
255050
265050
275050
285149
295149
305149
315149

Chance of precipitation in May

Any precipitation

São Caitano gets around 39 mm of rain over 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
233
333
432
532
631
730
829
928
1028
1127
1226
1326
1426
1526
1626
1727
1827
1927
2028
2128
2228
2329
2429
2529
2629
2729
2829
2929
3029
3128

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
19874
29874
39874
49874
510864
610864
711854
811854
912844
1012844
1113843
1213843
1314833
1414833
1514842
1614842
1714842
1814842
1914851
2014851
2114851
2214851
2314851
2415841
2515841
2616831
2716831
2817821
2918811
3019801
3120791

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 12 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
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:30 AM to 5:35 AM, and sunset from 5:13 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:305:13
211.75:315:13
311.75:315:12
411.75:315:12
511.75:315:12
611.75:315:12
711.75:315:11
811.75:315:11
911.75:315:11
1011.75:315:11
1111.65:315:10
1211.65:325:10
1311.65:325:10
1411.65:325:10
1511.65:325:10
1611.65:325:09
1711.65:325:09
1811.65:335:09
1911.65:335:09
2011.65:335:09
2111.65:335:09
2211.65:335:09
2311.65:345:09
2411.65:345:09
2511.65:345:09
2611.65:345:09
2711.65:345:09
2811.65:355:09
2911.65:355:09
3011.65:355:09
3111.65:355:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.39 kWh/m² in November across the year — May's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Is May a good time to visit São Caitano?

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

6.3
Sightseeing
5th-best month of the year
6.9
Beach & pool
7th-best month of the year

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

What to pack for São Caitano in May

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

In May, São Caitano sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in São Caitano in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Caitano peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is São Caitano?

São Caitano sits at 8.3°S, 36.1°W, 573 m above sea level, in Brazil. The nearest listed city is Caruaru, 19 km away.

Topography around São Caitano

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

Within 3 km, the terrain around São Caitano has only modest variations in elevation — a maximum elevation change of 132 m around an average of 588 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 579 m; within 80 km, large variations in elevation — a maximum elevation change of 1,108 m.

The land around São Caitano is covered by grassland (53%) and shrubs (20%) within 3 km, grassland (48%) and shrubs (21%) within 16 km, and grassland (53%) and shrubs (26%) within 80 km.

3 km
132 m
16 km
579 m
80 km
1,108 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Caruaru 19 km · Altinho 20 km · Cachoeirinha 20 km · Agrestina 26 km · Belo Jardim 31 km · Brejo da Madre de Deus 32 km · Toritama 37 km · Riacho das Almas 38 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 Caitano (-8.3258°, -36.1428°, elevation 573 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).