São Sebastião da Boa Vista weather in July

In July, São Sebastião da Boa Vista sees average daytime highs of 31°C and overnight lows near 24°C, with 76 mm of rain across 15.3 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 31°C through the month. The sky is clear or mostly clear about 54% of the time in July, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of July to 11 h 54 min by month's end. Set against the rest of the year, July is São Sebastião da Boa Vista's 3rd-clearest and 8th-windiest month. For the whole year in context, see São Sebastião da Boa Vista's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
5th coldest
Rainfall
76 mm
15.3 wet days
Daylight
11 h 54 min
6:26 AM – 6:21 PM
Cloud cover
43%
3rd clearest
Wind
7 km/h
8th windiest
Solar energy
5.49 kWh/m²
Travel score
4.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical July day in São Sebastião da Boa Vista reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223224
233224
243224
253224
263224
273224
283224
293225
303225
313225

How July really feels in São Sebastião da Boa Vista

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 Sebastião da Boa Vista 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
Jan30° / 24°26127.712.12.8
Feb30° / 24°34926.812.12.7
Mar30° / 24°44330.4122.6
Apr30° / 24°41729.4122.6
May31° / 25°29827.811.92.8
Jun31° / 24°13220.411.93.4
Jul31° / 24°7615.311.94.0
Aug32° / 25°348.311.94.3
Sep32° / 25°184.5124.4
Oct33° / 25°204.9124.2
Nov32° / 25°437.312.14.0
Dec32° / 25°1141712.13.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 25% of July, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37624
47624
57624
67624
77624
87624
97624
107624
117624
127624
137723
147723
157723
167822
177822
187921
197921
207921
217921
228119
238119
248218
258218
268317
278317
288317
298416
308416
318416

Chance of precipitation in July

Any precipitation

São Sebastião da Boa Vista gets around 76 mm of rain over 15.3 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 49% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
261
361
460
560
659
759
858
957
1056
1155
1254
1353
1452
1551
1650
1748
1847
1946
2045
2143
2242
2341
2440
2539
2637
2736
2835
2934
3033
3132

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21981
32080
42080
52179
62278
72278
82377
92377
102476
112476
122575
132674
142674
152773
162872
172872
182971
193070
203169
213169
223268
233268
243367
253367
263367
273367
283367
293367
303367
313367

Wind in July

Winds average 7 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.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
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 11 h 54 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 6:24 AM to 6:27 AM, and sunset from 6:19 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:246:19
211.96:256:19
311.96:256:19
411.96:256:19
511.96:256:19
611.96:256:19
711.96:256:20
811.96:266:20
911.96:266:20
1011.96:266:20
1111.96:266:20
1211.96:266:20
1311.96:266:21
1411.96:266:21
1511.96:266:21
1611.96:266:21
1711.96:276:21
1811.96:276:21
1911.96:276:21
2011.96:276:21
2111.96:276:22
2211.96:276:22
2311.96:276:22
2411.96:276:22
2511.96:276:22
2611.96:276:22
2711.96:276:22
2811.96:276:22
2911.96:276:22
3011.96:276:22
3111.96:276:22

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.49 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.65 kWh/m² in October across the year — July's 5.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
315.8Bright
Planning a trip in July

Hazard calendar for São Sebastião da Boa Vista

In seasonPeak

None of São Sebastião da Boa Vista'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 Sebastião da Boa Vista'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 São Sebastião da Boa Vista?

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

4.0
Sightseeing
4th-best month of the year
6.1
Beach & pool
5th-best month of the year

July is a reasonable time to visit São Sebastião da Boa Vista for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Sebastião da Boa Vista in July

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

In July, São Sebastião da Boa Vista sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in São Sebastião da Boa Vista 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 Sebastião da Boa Vista 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
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in São Sebastião da Boa Vista 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 São Sebastião da Boa Vista is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jun 239 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar19Moderate
Apr16Moderate
May11Good
Jun9Good
Jul9Good
Aug11Good
Sep13Moderate
Oct16Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is São Sebastião da Boa Vista?

São Sebastião da Boa Vista sits at 1.7°S, 49.5°W, 5 m above sea level, in Brazil. The nearest listed city is Limoeiro do Ajuru, 26 km away.

Topography around São Sebastião da Boa Vista

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Sebastião da Boa Vista.

Within 3 km, the terrain around São Sebastião da Boa Vista has only modest variations in elevation — a maximum elevation change of 25 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 29 m; within 80 km, only modest variations in elevation — a maximum elevation change of 40 m.

The land around São Sebastião da Boa Vista is covered by trees (60%) and water (37%) within 3 km, trees (64%) and water (33%) within 16 km, and trees (71%) within 80 km.

3 km
25 m
16 km
29 m
80 km
40 m
treesgrasslandartificial surfaceswaterwetland
July weather nearby: Limoeiro do Ajuru 26 km · Curralinho 31 km · Muaná 41 km · Oeiras do Pará 48 km · Cametá 59 km · Igarapé Miri 70 km · Abaetetuba 72 km · Bagre 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 São Sebastião da Boa Vista (-1.7146°, -49.5315°, elevation 5 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).