São Sepé weather in May

In May, São Sepé sees average daytime highs of 21°C and overnight lows near 12°C, with 120 mm of rain across 8.7 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is São Sepé's 9th-clearest and 11th-windiest month. For the whole year in context, see São Sepé's year-round climate.

Daytime high
21°
9th warmest
Overnight low
12°
5th coldest
Rainfall
120 mm
8.7 wet days
Daylight
10 h 30 min
8:16 AM – 6:45 PM
Cloud cover
60%
9th clearest
Wind
11 km/h
11th windiest
Solar energy
2.86 kWh/m²
Travel score
6.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 19°C by the end.

A typical May day in São Sepé reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12314
22313
32313
42313
52213
62213
72213
82213
92213
102213
112213
122213
132112
142112
152112
162112
172112
182112
192112
202012
212012
222012
232011
242011
252011
262011
272011
282011
291911
301911
311911

São Sepé weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°12712.213.74.6
Feb30° / 20°11811.613.14.8
Mar29° / 18°1139.912.25.9
Apr25° / 15°136911.37.0
May21° / 12°1208.710.56.7
Jun19° / 10°1379.910.16.0
Jul18° / 1401010.36.0
Aug20° / 10°1269.410.96.5
Sep22° / 12°15910.611.86.4
Oct24° / 14°19111.612.76.6
Nov27° / 16°1259.413.56.5
Dec30° / 18°12810.413.95.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
35050
44951
54852
64852
74852
84753
94753
104654
114852
124753
134753
144654
154654
164753
174753
184654
194555
204555
214654
224555
234555
244555
254555
264555
274456
284555
294555
304555
314555

Chance of precipitation in May

Any precipitation

São Sepé gets around 120 mm of rain over 8.7 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 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
728
828
928
1028
1127
1227
1327
1427
1527
1627
1728
1828
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3129

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1392324121
2402424121
3412424111
4412524101
5422523101
642262391
742262380
843272280
943272270
1044272260
1145272260
1245272250
1346272250
1446272250
1547272240
1648272240
1748262140
1849262140
1950262040
2052252030
2153251930
2255241830
2356241730
2456241730
2558231630
2659231530
2760231430
2861231330
2962221330
3063221230
3163221230

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 10 h 48 min at the start of May to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 8:06 AM to 8:25 AM, and sunset from 6:57 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:066:57
210.88:076:56
310.88:076:55
410.88:086:54
510.78:096:53
610.78:096:52
710.78:106:52
810.78:116:51
910.68:116:50
1010.68:126:49
1110.68:136:49
1210.68:136:48
1310.68:146:47
1410.58:156:46
1510.58:156:46
1610.58:166:45
1710.58:176:44
1810.48:176:44
1910.48:186:43
2010.48:196:43
2110.48:196:42
2210.48:206:42
2310.38:206:41
2410.38:216:41
2510.38:226:40
2610.38:226:40
2710.38:236:39
2810.38:236:39
2910.28:246:39
3010.28:256:38
3110.28:256:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.86 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 6.82 kWh/m² in December across the year — May's 2.86 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit São Sepé?

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

6.7
Sightseeing
2nd-best month of the year
4.1
Beach & pool
9th-best month of the year

May is a reasonable time to visit São Sepé for sightseeing.

What to pack for São Sepé in May

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

In May, São Sepé sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in São Sepé in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — 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 Sepé peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 18UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Sepé?

São Sepé sits at 30.2°S, 53.6°W, 96 m above sea level, in Brazil. The nearest listed city is Caçapava do Sul, 40 km away.

Topography around São Sepé

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

Within 3 km, the terrain around São Sepé has only modest variations in elevation — a maximum elevation change of 101 m around an average of 89 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 261 m; within 80 km, significant variations in elevation — a maximum elevation change of 587 m.

The land around São Sepé is covered by cropland (39%) and trees (27%) within 3 km, cropland (55%) and grassland (25%) within 16 km, and cropland (38%), grassland (33%) and trees (28%) within 80 km.

3 km
101 m
16 km
261 m
80 km
587 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Caçapava do Sul 40 km · Santa Maria 58 km · Agudo 65 km · Cachoeira do Sul 66 km · São Gabriel 75 km · São Pedro do Sul 84 km · Candelária 93 km · Júlio de Castilhos 104 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 Sepé (-30.1606°, -53.5653°, elevation 96 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).