São João do Piauí weather in July

In July, São João do Piauí sees average daytime highs of 33°C and overnight lows near 22°C, with 1 mm of rain across 0.2 wet days and about 11.6 hours of daylight. It is the 7th-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 59% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of July to 11 h 36 min by month's end. Set against the rest of the year, July is São João do Piauí's 3rd-clearest and 2nd-windiest month. For the whole year in context, see São João do Piauí's year-round climate.

Daytime high
33°
7th warmest
Overnight low
22°
1st coldest
Rainfall
1 mm
0.2 wet days
Daylight
11 h 36 min
6:08 AM – 5:41 PM
Cloud cover
37%
3rd clearest
Wind
16 km/h
2nd windiest
Solar energy
5.21 kWh/m²
Travel score
4.6
out of 10

São João do Piauí is settlement in Brazil.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in São João do Piauí reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293322
303322
313322

How July really feels in São João do Piauí

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São João do Piauí weather by month

How July compares with the rest of the year at a glance. July is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°14716.512.43.2
Feb32° / 23°1391512.33.4
Mar32° / 23°13916.312.13.5
Apr32° / 23°749.911.83.8
May33° / 24°22311.64.0
Jun33° / 23°10.311.54.6
Jul33° / 22°10.211.64.6
Aug34° / 22°0011.73.8
Sep36° / 24°20.2122.8
Oct36° / 25°182.112.22.4
Nov35° / 25°556.312.42.8
Dec34° / 25°759.812.53.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27228
37228
47327
57327
67327
77327
87327
97327
107228
117228
127228
137228
147228
157228
167327
177327
187327
197327
207525
217525
227525
237525
247624
257624
267624
277723
287822
297822
307921
317921

Chance of precipitation in July

Any precipitation

São João do Piauí gets around 1 mm of rain over 0.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1332614
2333604
3333604
4334603
5335593
6436573
7438562
8439552
9440542
10442522
11443512
12445502
13446482
14448472
15450452
16450442
17452422
18454402
19455392
20456382
21458362
22558352
23559342
24560332
25659332
26661321
27662311
28761311
29762301
30762301
31861301

Wind in July

Winds average 16 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 30 min at the start of July to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 6:07 AM to 6:06 AM, and sunset from 5:38 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:075:38
211.56:075:38
311.56:075:38
411.56:075:39
511.56:075:39
611.56:075:39
711.56:075:39
811.56:085:40
911.56:085:40
1011.56:085:40
1111.56:085:40
1211.56:085:40
1311.56:085:41
1411.56:085:41
1511.66:085:41
1611.66:085:41
1711.66:085:42
1811.66:085:42
1911.66:085:42
2011.66:085:42
2111.66:085:42
2211.66:085:42
2311.66:085:43
2411.66:075:43
2511.66:075:43
2611.66:075:43
2711.66:075:43
2811.66:075:43
2911.66:075:44
3011.66:075:44
3111.66:065:44

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.21 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.8 kWh/m² in October across the year — July's 5.21 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for São João do Piauí

In seasonPeak

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

São João do Piauí's rainy season runs December–April, when most of the year's rain falls.

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

Is July a good time to visit São João do Piauí?

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

4.6
Sightseeing
1st-best month of the year
8.0
Beach & pool
1st-best month of the year

July is a reasonable time to visit São João do Piauí for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São João do Piauí in July

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

In July, São João do Piauí sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in São João do Piauí in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 São João do Piauí peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São João do Piauí?

São João do Piauí sits at 8.4°S, 42.2°W, 219 m above sea level, in Brazil. The nearest listed city is Canto do Buriti, 82 km away.

Topography around São João do Piauí

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

Within 3 km, the terrain around São João do Piauí has only modest variations in elevation — a maximum elevation change of 90 m around an average of 227 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.

The land around São João do Piauí is covered by shrubs (49%) and grassland (28%) within 3 km, shrubs (88%) within 16 km, and shrubs (94%) within 80 km.

3 km
90 m
16 km
204 m
80 km
518 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Canto do Buriti 82 km · São Raimundo Nonato 88 km · Paulistana 123 km · Afrânio 138 km · Remanso 142 km · Oeiras 149 km · Campo Alegre de Lourdes 154 km · Sento Sé 159 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 João do Piauí (-8.3581°, -42.2467°, elevation 219 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).