Cajari weather in August

In August, Cajari sees average daytime highs of 33°C and overnight lows near 24°C, with 15 mm of rain across 3.9 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 66% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Cajari's 1st-clearest and 5th-windiest month. For the whole year in context, see Cajari's year-round climate.

Daytime high
33°
5th warmest
Overnight low
24°
3rd coldest
Rainfall
15 mm
3.9 wet days
Daylight
11 h 54 min
6:07 AM – 6:01 PM
Cloud cover
37%
1st clearest
Wind
10 km/h
5th windiest
Solar energy
5.71 kWh/m²
Travel score
4.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Cajari reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253325
263325
273325
283425
293425
303425
313425

How August really feels in Cajari

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cajari weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°20524.412.22.7
Feb31° / 24°27925.512.12.5
Mar31° / 24°35529.5122.4
Apr31° / 24°36728.211.92.4
May31° / 25°20223.411.93.0
Jun31° / 24°7914.511.83.9
Jul32° / 24°5010.111.84.4
Aug33° / 24°153.911.94.2
Sep34° / 25°92123.7
Oct34° / 25°183.512.13.3
Nov34° / 25°396.612.23.3
Dec33° / 25°911412.23.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
29010
39010
49010
59010
6919
7919
8919
99010
109010
119010
129010
139010
149010
159010
169010
179010
189010
19919
20919
21919
22919
23919
24928
25928
26928
27919
28919
29919
30919
31919

Chance of precipitation in August

Any precipitation

Cajari gets around 15 mm of rain over 3.9 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 12% and peaks near 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
118
217
316
416
515
615
715
814
914
1014
1113
1213
1313
1412
1512
1612
1712
1811
1911
2011
2111
2211
2310
2410
2510
2610
2710
289
299
309
319

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
167519
267519
367618
457718
557718
657817
747917
848016
948016
1048115
1148115
1248115
1348214
1448214
1558114
1658114
1758213
1858213
1958213
2058213
2148313
2248313
2348313
2448313
2548313
2638512
2738512
2838611
2938611
3038710
313889

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:10 AM to 6:02 AM, and sunset from 6:02 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:106:02
211.96:106:02
311.96:106:02
411.96:106:02
511.96:106:02
611.96:106:02
711.96:106:02
811.96:096:02
911.96:096:02
1011.96:096:01
1111.96:096:01
1211.96:086:01
1311.96:086:01
1411.96:086:01
1511.96:086:01
1611.96:076:01
1711.96:076:01
1811.96:076:01
1911.96:076:00
2011.96:066:00
2111.96:066:00
2211.96:066:00
2311.96:056:00
2411.96:056:00
2511.96:045:59
2611.96:045:59
2711.96:045:59
2811.96:035:59
2911.96:035:59
3011.96:025:58
3111.96:025:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.71 kWh/m².

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.22 kWh/m² in October across the year — August's 5.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Cajari

In seasonPeak

None of Cajari's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cajari's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Cajari?

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

4.2
Sightseeing
2nd-best month of the year
7.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Cajari for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cajari in August

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

In August, Cajari sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Cajari in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cajari peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Cajari 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 Cajari is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1918 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep9Good
Oct13Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Cajari?

Cajari sits at 3.3°S, 45.0°W, 10 m above sea level, in Brazil. The nearest listed city is Viana, 11 km away.

Topography around Cajari

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

Within 3 km, the terrain around Cajari has only modest variations in elevation — a maximum elevation change of 28 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, only modest variations in elevation — a maximum elevation change of 169 m.

The land around Cajari is covered by grassland (65%) within 3 km, grassland (44%), trees (26%) and wetland (22%) within 16 km, and grassland (45%) and trees (37%) within 80 km.

3 km
28 m
16 km
55 m
80 km
169 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Viana 11 km · Penalva 18 km · Vitória do Mearim 22 km · Matinha 25 km · Arari 30 km · Monção 33 km · Anajatuba 44 km · São João Batista 47 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 Cajari (-3.3208°, -45.0108°, elevation 10 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).