Cachoeira do Arari weather in July

In July, Cachoeira do Arari sees average daytime highs of 32°C and overnight lows near 23°C, with 88 mm of rain across 16.6 wet days and about 11.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 45% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of July to 12 hours by month's end. Set against the rest of the year, July is Cachoeira do Arari's 3rd-clearest and 7th-windiest month. For the whole year in context, see Cachoeira do Arari's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
1st coldest
Rainfall
88 mm
16.6 wet days
Daylight
11 h 54 min
6:23 AM – 6:20 PM
Cloud cover
46%
3rd clearest
Wind
8 km/h
7th windiest
Solar energy
5.35 kWh/m²
Travel score
3.5
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical July day in Cachoeira do Arari reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283323
293323
303323
313323

How July really feels in Cachoeira do Arari

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.

Cachoeira do Arari weather by month

How July compares with the rest of the year at a glance. July is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°30328.412.12.5
Feb30° / 23°42227.3122.5
Mar30° / 23°51830.7122.5
Apr30° / 23°48829.6122.4
May31° / 23°35728122.6
Jun32° / 23°14721.311.93.1
Jul32° / 23°8816.611.93.5
Aug33° / 23°4412.8123.4
Sep34° / 24°299.3123.3
Oct34° / 24°276.4123.4
Nov34° / 24°407.7123.3
Dec33° / 24°1231912.12.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 31% of July, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57228
67228
77228
87228
97228
107228
117228
127327
137327
147327
157327
167327
177426
187525
197624
207624
217723
227723
237822
247921
258020
268020
278119
288218
298218
308218
318218

Chance of precipitation in July

Any precipitation

Cachoeira do Arari gets around 88 mm of rain over 16.6 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 53% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
164
264
363
463
563
662
761
861
960
1059
1158
1257
1356
1455
1554
1653
1752
1851
1950
2049
2148
2247
2347
2446
2545
2645
2744
2844
2944
3043
3143

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15248
25347
35446
45545
55644
65743
75842
85941
96040
106139
116238
126337
136436
146535
156535
166634
176733
186832
196832
206931
217030
227030
237129
247228
257228
267327
277426
287426
297525
307624
317624

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 54 min at the start of July to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 6:21 AM to 6:23 AM, and sunset from 6:17 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:17
211.96:216:18
311.96:216:18
411.96:216:18
511.96:226:18
611.96:226:18
711.96:226:19
811.96:226:19
911.96:226:19
1011.96:226:19
1111.96:236:19
1211.96:236:19
1311.96:236:19
1411.96:236:20
1511.96:236:20
1611.96:236:20
1711.96:236:20
1811.96:236:20
1911.96:236:20
2011.96:236:20
2111.96:236:20
2211.96:236:20
2312.06:236:20
2412.06:236:21
2512.06:236:21
2612.06:236:21
2712.06:236:21
2812.06:236:21
2912.06:236:21
3012.06:236:21
3112.06:236:21

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.34 kWh/m² in October across the year — July's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Cachoeira do Arari

In seasonPeak

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

Cachoeira do Arari'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 July a good time to visit Cachoeira do Arari?

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

3.5
Sightseeing
1st-best month of the year
5.7
Beach & pool
5th-best month of the year

July is a weaker month for outdoor sightseeing in Cachoeira do Arari.

What to pack for Cachoeira do Arari in July

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

In July, Cachoeira do Arari sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Cachoeira do Arari in July

The nearest coast averages about 29°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 km away) is warmest in June at about 29°C and coldest in March near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Cachoeira do Arari 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 Cachoeira do Arari peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Cachoeira do Arari 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 Cachoeira do Arari is worst in February — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2022 µg/m³Jul 168 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar22Moderate
Apr17Moderate
May11Good
Jun9Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Cachoeira do Arari?

Cachoeira do Arari sits at 1.0°S, 49.0°W, 8 m above sea level, in Brazil. The nearest listed city is Ponta de Pedras, 43 km away.

Topography around Cachoeira do Arari

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

Within 3 km, the terrain around Cachoeira do Arari has only modest variations in elevation — a maximum elevation change of 27 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 50 m.

The land around Cachoeira do Arari is covered by grassland (60%) within 3 km, grassland (72%) within 16 km, and grassland (37%), trees (34%) and water (20%) within 80 km.

3 km
27 m
16 km
37 m
80 km
50 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Ponta de Pedras 43 km · Salvaterra 57 km · Soure 59 km · Muaná 64 km · Barcarena 67 km · Belém 71 km · Ananindeua 77 km · Santa Bárbara do Pará 78 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 Cachoeira do Arari (-1.0114°, -48.9633°, elevation 8 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).