São Francisco de Assis weather in August

In August, São Francisco de Assis sees average daytime highs of 21°C and overnight lows near 11°C, with 119 mm of rain across 8.4 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of August to 11 h 18 min by month's end. Set against the rest of the year, August is São Francisco de Assis's 1st-clearest and 3rd-windiest month. For the whole year in context, see São Francisco de Assis's year-round climate.

Daytime high
21°
10th warmest
Overnight low
11°
3rd coldest
Rainfall
119 mm
8.4 wet days
Daylight
10 h 54 min
8:17 AM – 7:12 PM
Cloud cover
48%
1st clearest
Wind
14 km/h
3rd windiest
Solar energy
3.69 kWh/m²
Travel score
7.0
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical August day in São Francisco de Assis reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 29°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12010
22010
32010
42011
52111
62111
72111
82111
92111
102111
112111
122111
132111
142111
152111
162211
172211
182211
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212
312212

How August really feels in São Francisco de Assis

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 10th-warmest and 11th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45743
55743
65743
75743
85644
95743
105644
115644
125743
135743
145743
155743
165743
175941
185941
195941
205941
215941
225941
235941
245941
255842
265842
275842
285644
295644
305545
315446

Chance of precipitation in August

Any precipitation

São Francisco de Assis gets around 119 mm of rain over 8.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
626
726
826
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1926
2026
2126
2227
2327
2428
2529
2629
2730
2830
2930
3031
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16721111
26721111
36721111
46621121
56621121
66522121
76622120
86622120
96522130
106522130
116423130
126423130
136423130
146423130
156324130
166324130
176125140
186125140
196025150
205926150
215826160
225726161
235626171
245725171
255525182
265425192
275425192
285424193
295324203
305324203
315224204

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 36 min at the start of August to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over August. Sunrise moves from 8:30 AM to 8:00 AM, and sunset from 7:04 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:307:04
210.68:297:04
310.68:287:05
410.68:277:05
510.78:277:06
610.78:267:07
710.78:257:07
810.78:247:08
910.78:237:08
1010.88:227:09
1110.88:227:10
1210.88:217:10
1310.98:207:11
1410.98:197:11
1510.98:187:12
1610.98:177:12
1711.08:167:13
1811.08:157:14
1911.08:147:14
2011.08:137:15
2111.18:127:15
2211.18:117:16
2311.18:097:16
2411.18:087:17
2511.28:077:18
2611.28:067:18
2711.28:057:19
2811.38:047:19
2911.38:037:20
3011.38:017:20
3111.38:007:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.69 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 — August's 3.69 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Bright
314.0Bright
Planning a trip in August

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

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

7.0
Sightseeing
1st-best month of the year
4.5
Beach & pool
10th-best month of the year

August is one of the better times to visit São Francisco de Assis for general sightseeing.

What to pack for São Francisco de Assis in August

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

In August, São Francisco de Assis sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in São Francisco de Assis in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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
August 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).