Belterra weather in August

In August, Belterra sees average daytime highs of 31°C and overnight lows near 26°C, with 78 mm of rain across 13.5 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 11th-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 48% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Belterra's 1st-clearest and 2nd-windiest month. For the whole year in context, see Belterra's year-round climate.

Daytime high
31°
4th warmest
Overnight low
26°
9th coldest
Rainfall
78 mm
13.5 wet days
Daylight
11 h 54 min
6:46 AM – 6:41 PM
Cloud cover
46%
1st clearest
Wind
10 km/h
2nd windiest
Solar energy
5.61 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Belterra reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63125
73125
83125
93125
103125
113125
123125
133125
143125
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126
313126

How August really feels in Belterra

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

Belterra weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°4122812.13.1
Feb29° / 24°39426.112.13.1
Mar29° / 24°49329.2123.0
Apr29° / 25°4482911.92.9
May29° / 25°33729.511.93.1
Jun29° / 25°15723.111.93.7
Jul30° / 25°11119.211.94.3
Aug31° / 26°7813.511.94.4
Sep32° / 26°7612.3124.1
Oct32° / 26°11212.712.13.9
Nov31° / 26°15717.212.13.6
Dec30° / 25°24021.912.13.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57327
67228
77228
87228
97129
107030
117030
127030
137030
147030
157030
167129
177129
187129
197129
207129
217129
227129
237129
247129
257129
267030
277030
286931
296931
306832
316733

Chance of precipitation in August

Any precipitation

Belterra gets around 78 mm of rain over 13.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
446
546
646
746
846
946
1046
1146
1246
1346
1446
1545
1645
1745
1844
1944
2043
2142
2242
2341
2441
2541
2641
2741
2841
2941
3041
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12944
22944
32944
42944
52944
62944
72944
82944
92944
102953
112953
122953
132953
142962
152962
162962
172962
182962
192962
202962
212962
222962
232962
242962
251972
261972
271972
281972
291972
301972
311972

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 min at the start of August 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 August. Sunrise moves from 6:49 AM to 6:41 AM, and sunset from 6:42 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:496:42
211.96:496:42
311.96:496:42
411.96:496:42
511.96:496:42
611.96:496:42
711.96:486:42
811.96:486:42
911.96:486:42
1011.96:486:42
1111.96:486:42
1211.96:476:42
1311.96:476:42
1411.96:476:42
1511.96:476:41
1611.96:466:41
1711.96:466:41
1811.96:466:41
1911.96:466:41
2011.96:456:41
2111.96:456:40
2211.96:456:40
2311.96:446:40
2411.96:446:40
2511.96:446:40
2611.96:436:39
2711.96:436:39
2811.96:436:39
2911.96:426:39
3011.96:426:38
3111.96:416:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.61 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.18 kWh/m² in October across the year — August's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Belterra

In seasonPeak

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

Belterra's rainy season runs December–May, when most of the year's rain falls.

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

Is August a good time to visit Belterra?

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

4.4
Sightseeing
1st-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Belterra in August

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

In August, Belterra sees daytime highs around 31°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Belterra in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Belterra peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 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 highExtremeExtremeMar 12UV 15Nov 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct12Extreme
Nov10Very high
Dec11Extreme

Air quality in Belterra in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Belterra is worst in November — around 50 µg/m³ PM2.5 (poor), about 5.5× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1050 µg/m³Jun 169 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun9Good
Jul10Good
Aug15Moderate
Sep24Moderate
Oct47Poor
Nov50Poor
Dec27Moderate
Location & terrain

Where is Belterra?

Belterra sits at 2.6°S, 54.9°W, 169 m above sea level, in Brazil. The nearest listed city is Mojuí dos Campos, 33 km away.

Topography around Belterra

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

Within 3 km, the terrain around Belterra has only modest variations in elevation — a maximum elevation change of 161 m around an average of 147 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 194 m; within 80 km, only modest variations in elevation — a maximum elevation change of 239 m.

The land around Belterra is covered by trees (61%) and grassland (38%) within 3 km, trees (48%), water (29%) and grassland (24%) within 16 km, and trees (57%) and water (26%) within 80 km.

3 km
161 m
16 km
194 m
80 km
239 m
treesgrasslandartificial surfaceswaterwetland
August weather nearby: Mojuí dos Campos 33 km · Santarém 33 km · Alenquer 80 km · Óbidos 103 km · Aveiro 116 km · Monte Alegre 119 km · Juruti 139 km · Oriximiná 142 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 Belterra (-2.6364°, -54.9372°, elevation 169 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).