São Francisco de Assis weather in May

In May, São Francisco de Assis sees average daytime highs of 22°C and overnight lows near 13°C, with 116 mm of rain across 8.6 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 36% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is São Francisco de Assis's 10th-clearest and 9th-windiest month. For the whole year in context, see São Francisco de Assis's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
4th coldest
Rainfall
116 mm
8.6 wet days
Daylight
10 h 30 min
8:21 AM – 6:52 PM
Cloud cover
57%
10th clearest
Wind
12 km/h
9th windiest
Solar energy
2.96 kWh/m²
Travel score
6.8
out of 10

São Francisco de Assis is 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

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical May day in São Francisco de Assis reaches about 22°C in the afternoon and slips back to 13°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 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22314
32314
42314
52314
62314
72314
82313
92313
102213
112213
122213
132213
142213
152213
162213
172213
182112
192112
202112
212112
222112
232112
242112
252112
262012
272012
282011
292011
302011
312011

How May really feels in São Francisco de Assis

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.

São Francisco de Assis weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°14912.113.74.3
Feb30° / 20°13211.513.14.7
Mar29° / 19°12110.212.25.7
Apr26° / 16°1489.811.36.9
May22° / 13°1168.610.56.8
Jun20° / 11°1289.610.16.3
Jul19° / 10°1249.410.36.4
Aug21° / 11°1198.410.97.0
Sep23° / 13°1449.811.86.8
Oct25° / 15°21211.612.76.6
Nov28° / 17°1399.513.56.2
Dec30° / 19°13610.213.94.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55149
65149
75149
85050
95050
104951
114951
124951
134753
144753
154654
164654
174654
184654
194654
204753
214654
224654
234654
244753
254753
264654
274654
284654
294654
304654
314654

Chance of precipitation in May

Any precipitation

São Francisco de Assis gets around 116 mm of rain over 8.6 wet days in May, the driest month. 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 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
229
329
428
528
628
727
827
927
1027
1127
1227
1327
1427
1528
1628
1728
1828
1929
2029
2129
2229
2329
2429
2529
2629
2729
2829
2929
3029
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 48% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1362423161
2372423161
3382422151
4392421151
5402421151
6412520141
7412520130
8422519130
9432619120
10442619110
11442619100
12452619100
1346261990
1446261990
1547261980
1647251980
1748251970
1849251970
1950251960
2050251960
2152241950
2253241850
2354231850
2455231750
2556221750
2657221650
2757221650
2859211550
2960211450
3060211450
3161211350

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 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
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 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 8:11 AM to 8:30 AM, and sunset from 7:04 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:117:04
210.98:127:03
310.88:137:02
410.88:137:01
510.88:147:00
610.78:157:00
710.78:156:59
810.78:166:58
910.78:176:57
1010.78:176:57
1110.68:186:56
1210.68:196:55
1310.68:196:54
1410.68:206:54
1510.58:206:53
1610.58:216:52
1710.58:226:52
1810.58:226:51
1910.58:236:51
2010.48:246:50
2110.48:246:50
2210.48:256:49
2310.48:256:49
2410.48:266:48
2510.48:276:48
2610.38:276:47
2710.38:286:47
2810.38:286:47
2910.38:296:46
3010.38:306:46
3110.38:306:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.96 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 6.9 kWh/m² in December across the year — May's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit São Francisco de Assis?

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

6.8
Sightseeing
3rd-best month of the year
4.6
Beach & pool
9th-best month of the year

May is a reasonable time to visit São Francisco de Assis for sightseeing.

What to pack for São Francisco de Assis in May

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

In May, São Francisco de Assis sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in São Francisco de Assis 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 Francisco de Assis peaks around January 19 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighExtremeJan 19UV 13Jun 18UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Very high
Apr8Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct5High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Francisco de Assis?

São Francisco de Assis sits at 29.6°S, 55.1°W, 134 m above sea level, in Brazil. The nearest listed city is Santiago, 47 km away.

Topography around São Francisco de Assis

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

Within 3 km, the terrain around São Francisco de Assis has only modest variations in elevation — a maximum elevation change of 137 m around an average of 132 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 320 m; within 80 km, significant variations in elevation — a maximum elevation change of 398 m.

The land around São Francisco de Assis is covered by grassland (32%), cropland (31%) and trees (27%) within 3 km, grassland (37%), trees (31%) and cropland (30%) within 16 km, and grassland (49%) and cropland (32%) within 80 km.

3 km
137 m
16 km
320 m
80 km
398 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Santiago 47 km · Alegrete 69 km · Rosário do Sul 81 km · São Pedro do Sul 92 km · São Gabriel 117 km · São Luiz Gonzaga 128 km · Santa Maria 129 km · São Borja 130 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 Assis (-29.5503°, -55.1311°, elevation 134 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).