Ulianópolis weather in July

In July, Ulianópolis sees average daytime highs of 33°C and overnight lows near 22°C, with 16 mm of rain across 3.6 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 10th-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 56% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of July to 11 h 48 min by month's end. Set against the rest of the year, July is Ulianópolis's 2nd-clearest and 4th-windiest month. For the whole year in context, see Ulianópolis's year-round climate.

Daytime high
33°
5th warmest
Overnight low
22°
1st coldest
Rainfall
16 mm
3.6 wet days
Daylight
11 h 48 min
6:22 AM – 6:10 PM
Cloud cover
40%
2nd clearest
Wind
9 km/h
4th windiest
Solar energy
5.26 kWh/m²
Travel score
3.9
out of 10

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 Ulianópolis 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 about 2°C warmer than June and about 1°C cooler than August.

20°25°30°35°40°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
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313422

How July really feels in Ulianópolis

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.

Ulianópolis weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°23925.812.22.7
Feb30° / 23°27325.712.12.7
Mar30° / 23°34829.2122.6
Apr30° / 23°2472711.92.7
May31° / 23°13119.611.83.4
Jun32° / 22°327.411.84.3
Jul33° / 22°163.611.83.9
Aug35° / 22°61.111.93.4
Sep35° / 23°112123.2
Oct35° / 24°255.612.13.0
Nov34° / 24°6710.212.23.0
Dec33° / 23°12916.812.23.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 26% of July, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58020
68020
78020
88020
98020
108020
117921
127921
137921
147921
158020
168020
178020
188020
198020
208119
218218
228218
238218
248416
258416
268515
278614
288614
298713
308713
318713

Chance of precipitation in July

Any precipitation

Ulianópolis gets around 16 mm of rain over 3.6 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 12% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
417
517
617
716
816
915
1015
1115
1214
1314
1414
1513
1612
1712
1811
1911
2010
219
229
238
247
257
266
276
285
295
305
314

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1033661
2033661
3043759
4043759
5053758
6063856
7063856
8073855
9083854
10083953
11093952
120104050
130104049
140114148
150114147
160124246
170134344
181134343
191144441
201154539
211164538
222174636
232174634
242184733
252194732
263204731
273204730
283214829
293214828
303224828
313224728

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 48 min at the start of July to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:20 AM to 6:21 AM, and sunset from 6:07 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:206:07
211.86:206:07
311.86:206:07
411.86:206:08
511.86:206:08
611.86:216:08
711.86:216:08
811.86:216:08
911.86:216:08
1011.86:216:09
1111.86:216:09
1211.86:216:09
1311.86:216:09
1411.86:216:09
1511.86:216:10
1611.86:226:10
1711.86:226:10
1811.86:226:10
1911.86:226:10
2011.86:226:10
2111.86:226:10
2211.86:226:10
2311.86:226:11
2411.86:226:11
2511.86:226:11
2611.86:226:11
2711.86:216:11
2811.86:216:11
2911.86:216:11
3011.86:216:11
3111.86:216:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.15 kWh/m² in October across the year — July's 5.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Ulianópolis

In seasonPeak

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

Ulianópolis's monsoon runs January–April, when most of the year's rain falls.

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

Is July a good time to visit Ulianópolis?

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

3.9
Sightseeing
2nd-best month of the year
7.3
Beach & pool
1st-best month of the year

July is a weaker month for outdoor sightseeing in Ulianópolis. The water and warmth also suit a beach or pool day.

What to pack for Ulianópolis in July

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

In July, Ulianópolis sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Ulianópolis in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ulianópolis is worst in November — around 33 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2033 µg/m³Jun 139 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar15Moderate
Apr12Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep16Moderate
Oct21Moderate
Nov33Moderate
Dec30Moderate
Location & terrain

Where is Ulianópolis?

Ulianópolis sits at 3.7°S, 47.5°W, 119 m above sea level, in Brazil. The nearest listed city is Dom Eliseu, 60 km away.

Topography around Ulianópolis

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

Within 3 km, the terrain around Ulianópolis has only modest variations in elevation — a maximum elevation change of 47 m around an average of 113 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, significant variations in elevation — a maximum elevation change of 304 m.

The land around Ulianópolis is covered by grassland (62%) and trees (26%) within 3 km, grassland (51%) and trees (48%) within 16 km, and trees (65%) and grassland (33%) within 80 km.

3 km
47 m
16 km
152 m
80 km
304 m
treesgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Dom Eliseu 60 km · Itinga do Maranhão 79 km · Paragominas 84 km · Bom Jesus das Selvas 109 km · Rondon do Pará 131 km · Ipixuna do Pará 132 km · Buriticupu 132 km · Açailândia 134 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 Ulianópolis (-3.7419°, -47.4947°, elevation 119 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).