São Jerônimo weather in August

In August, São Jerônimo sees average daytime highs of 21°C and overnight lows near 11°C, with 119 mm of rain across 10 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 7th-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 36% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 30 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 Jerônimo's 2nd-clearest and 7th-windiest month. For the whole year in context, see São Jerônimo's year-round climate.

Daytime high
21°
10th warmest
Overnight low
11°
3rd coldest
Rainfall
119 mm
10 wet days
Daylight
10 h 54 min
8:04 AM – 6:58 PM
Cloud cover
55%
2nd clearest
Wind
10 km/h
7th windiest
Solar energy
3.34 kWh/m²
Travel score
6.5
out of 10

São Jerônimo 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 Jerônimo 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 28°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)
11910
21910
32010
42010
52010
62010
72010
82010
92011
102011
112011
122011
132011
142111
152111
162111
172111
182111
192111
202111
212112
222112
232112
242112
252112
262212
272212
282212
292212
302212
312212

São Jerônimo weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°1281413.74.6
Feb30° / 20°11812.613.14.7
Mar28° / 19°1051112.25.8
Apr25° / 16°1089.211.36.9
May21° / 13°1118.810.56.7
Jun19° / 11°1199.310.16.1
Jul19° / 10°1441010.36.1
Aug21° / 11°1191010.96.5
Sep22° / 13°14911.311.86.3
Oct24° / 15°17012.112.76.4
Nov27° / 17°12110.113.56.5
Dec29° / 19°11811.813.95.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54852
64852
74852
84852
94852
104951
114951
124852
134852
144852
154852
164852
174852
184951
194951
205050
215050
225050
235050
245050
254951
264951
274951
284852
294852
304753
314753

Chance of precipitation in August

Any precipitation

São Jerônimo gets around 119 mm of rain over 10 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
932
1032
1132
1232
1331
1431
1531
1631
1731
1831
1931
2031
2131
2231
2332
2433
2533
2634
2734
2834
2934
3035
3135

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16326110
26326110
36227110
46127120
56127120
66127120
75928121
85928121
95829121
105730121
115730121
125631121
135631121
145432131
155432131
165332141
175332141
185232151
195132161
205032171
214931181
224931192
234830202
244829212
254828222
264828232
274727232
284726243
294726243
304725243
314725243

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 30 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 48 minutes over August. Sunrise moves from 8:17 AM to 7:47 AM, and sunset from 6:49 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.58:176:49
210.68:166:50
310.68:156:50
410.68:146:51
510.68:146:52
610.78:136:52
710.78:126:53
810.78:116:53
910.78:106:54
1010.88:096:55
1110.88:096:55
1210.88:086:56
1310.88:076:56
1410.98:066:57
1510.98:056:58
1610.98:046:58
1710.98:036:59
1811.08:026:59
1911.08:017:00
2011.08:007:01
2111.07:587:01
2211.17:577:02
2311.17:567:02
2411.17:557:03
2511.27:547:04
2611.27:537:04
2711.27:527:05
2811.27:507:05
2911.37:497:06
3011.37:487:06
3111.37:477:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.34 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 6.48 kWh/m² in December across the year — August's 3.34 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit São Jerônimo?

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

6.5
Sightseeing
3rd-best month of the year
3.7
Beach & pool
10th-best month of the year

August is a reasonable time to visit São Jerônimo for sightseeing.

What to pack for São Jerônimo in August

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

In August, São Jerônimo sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in São Jerônimo 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 Jerônimo peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme

Air quality in São Jerônimo in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in São Jerônimo is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1720 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr15Moderate
May17Moderate
Jun17Moderate
Jul19Moderate
Aug20Moderate
Sep19Moderate
Oct13Moderate
Nov12Good
Dec10Good
Location & terrain

Where is São Jerônimo?

São Jerônimo sits at 30.0°S, 51.7°W, 18 m above sea level, in Brazil. The nearest listed city is Triunfo, 2.0 km away.

Topography around São Jerônimo

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

Within 3 km, the terrain around São Jerônimo has only modest variations in elevation — a maximum elevation change of 46 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 168 m; within 80 km, large variations in elevation — a maximum elevation change of 740 m.

The land around São Jerônimo is covered by trees (38%) and water (21%) within 3 km, trees (40%), grassland (30%) and cropland (20%) within 16 km, and trees (53%) within 80 km.

3 km
46 m
16 km
168 m
80 km
740 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Triunfo 2.0 km · Charqueadas 9.0 km · Eldorado do Sul 17 km · Taquari 22 km · Butiá 29 km · Montenegro 39 km · Guaíba 42 km · Nova Santa Rita 45 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 Jerônimo (-29.9592°, -51.7222°, elevation 18 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).