Petrolina weather in July

In July, Petrolina sees average daytime highs of 30°C and overnight lows near 20°C, with 3 mm of rain across 0.4 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels humid.

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 Petrolina's 5th-clearest and 2nd-windiest month. For the whole year in context, see Petrolina's year-round climate.

Daytime high
30°
12th warmest
Overnight low
20°
2nd coldest
Rainfall
3 mm
0.4 wet days
Daylight
11 h 30 min
6:03 AM – 5:33 PM
Cloud cover
57%
5th clearest
Wind
20 km/h
2nd windiest
Solar energy
4.29 kWh/m²
Travel score
6.2
out of 10

Petrolina is human 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 30°C through the month.

A typical July day in Petrolina reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283019
293019
303019
313019

How July really feels in Petrolina

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Petrolina weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°808.712.53.3
Feb33° / 23°669.412.33.3
Mar33° / 23°7910.112.13.4
Apr33° / 23°32611.84.0
May32° / 22°10211.64.9
Jun30° / 21°30.711.55.8
Jul30° / 20°30.411.56.2
Aug31° / 20°10.211.75.7
Sep33° / 21°10.111.94.4
Oct35° / 22°111.512.23.4
Nov34° / 23°323.912.43.2
Dec34° / 23°506.312.53.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54753
64852
74753
84753
94753
104753
114654
124555
134555
144555
154555
164654
174555
184555
194555
204555
214555
224555
234555
244555
254555
264555
274654
284753
294852
304852
314951

Chance of precipitation in July

Any precipitation

Petrolina gets around 3 mm of rain over 0.4 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 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
61
71
81
91
101
111
121
132
142
152
162
172
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11157212
22157211
32167210
42167210
5216739
6217738
7217738
8218737
9218737
10219727
11219736
12220726
13121726
14122716
15123715
16124705
17125695
18126685
19127675
20029665
21030655
22031654
23032644
24033634
25034624
26034624
27035623
28136603
29136603
30136603
31137593

Wind in July

Winds average 20 km/h in July.

Across July, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

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 6:02 AM to 6:01 AM, and sunset from 5:29 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:025:29
211.56:025:29
311.56:025:30
411.56:025:30
511.56:025:30
611.56:025:30
711.56:025:31
811.56:025:31
911.56:025:31
1011.56:035:31
1111.56:035:31
1211.56:035:32
1311.56:035:32
1411.56:035:32
1511.56:035:32
1611.56:035:33
1711.56:035:33
1811.56:035:33
1911.56:025:33
2011.56:025:33
2111.56:025:34
2211.56:025:34
2311.56:025:34
2411.56:025:34
2511.56:025:34
2611.56:025:35
2711.66:025:35
2811.66:015:35
2911.66:015:35
3011.66:015:35
3111.66:015:35

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.29 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.81 kWh/m² in October across the year — July's 4.29 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Petrolina?

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

6.2
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

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

What to pack for Petrolina in July

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

In July, Petrolina sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: a windbreaker.

light clothesa windbreaker

UV index in Petrolina in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Petrolina peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 22UV 15Jul 13UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Petrolina?

Petrolina sits at 9.4°S, 40.5°W, 383 m above sea level, in Brazil. The nearest listed city is Juazeiro, 1.0 km away.

Topography around Petrolina

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

Within 3 km, the terrain around Petrolina has only modest variations in elevation — a maximum elevation change of 33 m around an average of 372 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 134 m; within 80 km, large variations in elevation — a maximum elevation change of 668 m.

The land around Petrolina is covered by artificial surfaces (61%) within 3 km, shrubs (37%) and grassland (30%) within 16 km, and shrubs (78%) within 80 km.

3 km
33 m
16 km
134 m
80 km
668 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Juazeiro 1.0 km · Sobradinho 34 km · Lagoa Grande 51 km · Casa Nova 58 km · Curaçá 79 km · Santa Maria da Boa Vista 99 km · Jaguarari 102 km · Dormentes 110 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 Petrolina (-9.3986°, -40.5008°, elevation 383 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).