Santa Maria weather in May

In May, Santa Maria sees average daytime highs of 27°C and overnight lows near 16°C, with 21 mm of rain across 3.5 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 44% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Santa Maria's 5th-clearest and 5th-windiest month. For the whole year in context, see Santa Maria's year-round climate.

Daytime high
27°
10th warmest
Overnight low
16°
4th coldest
Rainfall
21 mm
3.5 wet days
Daylight
11 h 18 min
7:31 AM – 6:46 PM
Cloud cover
47%
5th clearest
Wind
8 km/h
5th windiest
Solar energy
4.85 kWh/m²
Travel score
7.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Santa Maria reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292715
302715
312715

Santa Maria weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°23022.412.84.5
Feb28° / 19°19219.612.54.6
Mar28° / 19°21421.912.14.6
Apr28° / 18°9313.311.66.0
May27° / 16°213.511.37.6
Jun27° / 15°50.811.18.4
Jul27° / 14°00.111.18.6
Aug29° / 16°61.511.57.4
Sep30° / 18°355.511.95.5
Oct30° / 19°12214.812.44.5
Nov28° / 19°22722.512.74.3
Dec27° / 19°24523.912.94.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% 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 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46832
56832
66733
76634
86535
96436
106337
116238
126139
136139
146139
156040
166040
176238
186238
196337
206337
216535
226535
236733
246832
257030
267030
277228
287327
297426
307525
317525

Chance of precipitation in May

Any precipitation

Santa Maria gets around 21 mm of rain over 3.5 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 12% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
216
315
414
513
612
712
812
911
1012
1112
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2411
2511
2610
2710
2810
299
309
318

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15404312
26414111
37434010
4844399
5946388
61047377
71147366
81148365
91248364
101348364
111348363
121448353
131548353
141548352
151648352
161647342
171747342
181847341
191847341
201946331
212046331
222146321
232246311
242346301
252446291
262546281
272647271
282747260
292847250
303047240
313146220

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 7:26 AM to 7:36 AM, and sunset from 6:52 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:266:52
211.47:276:52
311.47:276:51
411.47:276:51
511.47:276:50
611.47:286:50
711.47:286:49
811.37:286:49
911.37:296:49
1011.37:296:48
1111.37:296:48
1211.37:296:47
1311.37:306:47
1411.37:306:47
1511.37:306:46
1611.37:316:46
1711.27:316:46
1811.27:316:45
1911.27:326:45
2011.27:326:45
2111.27:326:45
2211.27:336:44
2311.27:336:44
2411.27:336:44
2511.27:346:44
2611.27:346:44
2711.27:346:44
2811.17:356:44
2911.17:356:43
3011.17:356:43
3111.17:366:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.1 kWh/m² in October across the year — May's 4.85 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Santa Maria

In seasonPeak

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

Santa Maria's monsoon runs October–March, when most of the year's rain falls.

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

Is May a good time to visit Santa Maria?

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

7.6
Sightseeing
3rd-best month of the year
7.7
Beach & pool
4th-best month of the year

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

What to pack for Santa Maria in May

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

In May, Santa Maria sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Santa Maria in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Maria peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme

Air quality in Santa Maria in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Santa Maria is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 1830 µg/m³Jan 1511 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr14Moderate
May15Moderate
Jun13Moderate
Jul13Moderate
Aug15Moderate
Sep32Moderate
Oct21Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Santa Maria?

Santa Maria sits at 16.0°S, 48.0°W, 1,177 m above sea level, in Brazil. The nearest listed city is Novo Gama, 3.0 km away.

Topography around Santa Maria

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

Within 3 km, the terrain around Santa Maria has only modest variations in elevation — a maximum elevation change of 216 m around an average of 1,149 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, large variations in elevation — a maximum elevation change of 710 m.

The land around Santa Maria is covered by artificial surfaces (37%) and grassland (34%) within 3 km, grassland (36%), trees (22%) and shrubs (21%) within 16 km, and grassland (35%), trees (26%) and cropland (22%) within 80 km.

3 km
216 m
16 km
437 m
80 km
710 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Novo Gama 3.0 km · Gama 5.0 km · Valparaíso de Goiás 7.0 km · Cidade Ocidental 14 km · Recanto das Emas 14 km · Riacho Fundo II 15 km · Riacho Fundo 16 km · Park Way 17 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 Santa Maria (-16.031°, -48.0293°, elevation 1,177 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).