Cidreira weather in August

In August, Cidreira sees average daytime highs of 19°C and overnight lows near 14°C, with 116 mm of rain across 9.9 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 38% 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 Cidreira's 2nd-clearest and 6th-windiest month. For the whole year in context, see Cidreira's year-round climate.

Daytime high
19°
10th warmest
Overnight low
14°
2nd coldest
Rainfall
116 mm
9.9 wet days
Daylight
10 h 54 min
7:58 AM – 6:52 PM
Cloud cover
54%
2nd clearest
Wind
18 km/h
6th windiest
Solar energy
3.48 kWh/m²
Travel score
6.2
out of 10

Cidreira is chief city of Cidreira Municipality, Rio Grande do Sul, Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical August day in Cidreira reaches about 19°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11813
21813
31813
41813
51813
61813
71813
81813
91813
101813
111813
121913
131913
141913
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251914
261914
271914
281914
291914
301914
311914

Cidreira weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°10111.513.76.3
Feb27° / 22°9211.613.16.1
Mar26° / 22°10410.912.26.6
Apr24° / 19°859.211.37.0
May21° / 16°1089.210.56.6
Jun19° / 14°1069.410.16.1
Jul18° / 13°12510.110.35.9
Aug19° / 14°1169.910.96.2
Sep20° / 15°13710.911.86.0
Oct22° / 17°14412.112.76.2
Nov24° / 19°1039.713.57.0
Dec26° / 21°1011013.96.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34951
45050
54951
64951
75050
85050
95149
105050
115149
125149
135248
145248
155248
165248
175347
185347
195347
205347
215347
225347
235347
245248
255149
265050
275050
284951
294951
304951
314852

Chance of precipitation in August

Any precipitation

Cidreira gets around 116 mm of rain over 9.9 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
332
432
532
632
732
832
931
1031
1132
1232
1332
1432
1531
1631
1731
1831
1931
2031
2131
2231
2332
2432
2532
2633
2733
2833
2934
3034
3134

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15533120
25533120
35334121
45334121
55334121
65334121
75334121
85135131
95135131
105035141
114936141
124836141
134736151
144737161
154637161
164537171
174437181
184337191
194237201
204237211
214137221
224136220
234036230
244036241
254035241
264035251
274034251
284034261
293934261
303934261
313834271

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

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 8:11 AM to 7:41 AM, and sunset from 6:43 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.58:116:43
210.68:106:43
310.68:106:44
410.68:096:45
510.68:086:45
610.68:076:46
710.78:066:46
810.78:056:47
910.78:056:48
1010.78:046:48
1110.88:036:49
1210.88:026:49
1310.88:016:50
1410.88:006:51
1510.97:596:51
1610.97:586:52
1710.97:576:53
1811.07:566:53
1911.07:556:54
2011.07:546:54
2111.07:536:55
2211.17:526:56
2311.17:506:56
2411.17:496:57
2511.27:486:57
2611.27:476:58
2711.27:466:58
2811.27:456:59
2911.37:437:00
3011.37:427:00
3111.37:417:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.48 kWh/m².

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 6.88 kWh/m² in December across the year — August's 3.48 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Cidreira?

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

6.2
Sightseeing
7th-best month of the year
2.5
Beach & pool
10th-best month of the year

August is a reasonable time to visit Cidreira for sightseeing.

What to pack for Cidreira in August

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

In August, Cidreira sees daytime highs around 19°C and nights near 14°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Cidreira in August

The nearest coast averages about 16°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 25°C and coldest in August near 16°C.

It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar24Warm
Apr23Refreshing
May20Refreshing
Jun18Cool
Jul16Cool
Aug16Cool
Sep17Cool
Oct19Cool
Nov20Refreshing
Dec23Refreshing

UV index in Cidreira 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 Cidreira peaks around January 17 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 17UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Cidreira 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 Cidreira is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1815 µg/m³Feb 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Cidreira?

Cidreira sits at 30.2°S, 50.2°W, 5 m above sea level, in Brazil. The nearest listed city is Tramandaí, 23 km away.

Topography around Cidreira

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

Within 3 km, the terrain around Cidreira has only modest variations in elevation — a maximum elevation change of 17 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, large variations in elevation — a maximum elevation change of 987 m.

The land around Cidreira is covered by water (46%) within 3 km, water (56%) within 16 km, and water (45%) within 80 km.

3 km
17 m
16 km
56 m
80 km
987 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Tramandaí 23 km · Imbé 24 km · Osório 33 km · Xangri-lá 45 km · Santo Antônio da Patrulha 50 km · Capão da Canoa 52 km · Rolante 69 km · Viamão 79 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 Cidreira (-30.1811°, -50.2056°, elevation 5 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).