Almeirim weather in August

In August, Almeirim sees average daytime highs of 32°C and overnight lows near 25°C, with 46 mm of rain across 9.8 wet days and about 12 hours of daylight. It is the 5th-warmest and 10th-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 56% of the time in August, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Almeirim's 1st-clearest and 5th-windiest month. For the whole year in context, see Almeirim's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
8th coldest
Rainfall
46 mm
9.8 wet days
Daylight
11 h 54 min
6:36 AM – 6:33 PM
Cloud cover
42%
1st clearest
Wind
9 km/h
5th windiest
Solar energy
5.46 kWh/m²
Travel score
4.3
out of 10

Almeirim is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Almeirim reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°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, 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)
13124
23124
33124
43124
53124
63124
73224
83224
93224
103224
113224
123224
133224
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How August really feels in Almeirim

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.

Almeirim weather by month

How August compares with the rest of the year at a glance. August 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
Jan30° / 24°18924.412.13.1
Feb30° / 24°22524.4123.0
Mar30° / 24°27828.1122.9
Apr30° / 24°31528.5122.8
May30° / 24°24727.811.92.9
Jun30° / 24°13622.711.93.4
Jul31° / 24°8517.511.94.0
Aug32° / 25°469.8124.3
Sep33° / 25°265.4124.2
Oct33° / 25°306.3123.8
Nov33° / 25°467.912.13.7
Dec32° / 25°9815.112.13.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of August, 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 (%)
17921
27921
37921
48020
58020
68020
78020
88020
98020
108020
118020
128020
138119
148119
158119
168119
178218
188218
198218
208218
218317
228416
238416
248416
258416
268515
278614
288614
298614
308614
318614

Chance of precipitation in August

Any precipitation

Almeirim gets around 46 mm of rain over 9.8 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 31% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
535
635
735
835
936
1036
1135
1235
1335
1434
1533
1633
1732
1831
1931
2030
2129
2229
2328
2427
2526
2626
2725
2825
2924
3024
3124

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13961
23961
33862
43862
53862
63763
73763
83763
93664
103664
113664
123664
133664
143664
153664
163664
173664
183664
193763
203763
213862
223961
234060
244159
254258
264456
274555
284753
294852
305050
315149

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

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

Days grow by about 6 minutes over August. Sunrise moves from 6:38 AM to 6:31 AM, and sunset from 6:34 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:386:34
211.96:386:34
311.96:386:34
411.96:386:34
511.96:386:34
611.96:386:34
711.96:386:34
811.96:386:34
911.96:376:34
1011.96:376:34
1111.96:376:34
1211.96:376:34
1311.96:376:33
1411.96:366:33
1511.96:366:33
1611.96:366:33
1712.06:366:33
1812.06:356:33
1912.06:356:32
2012.06:356:32
2112.06:356:32
2212.06:346:32
2312.06:346:32
2412.06:346:31
2512.06:336:31
2612.06:336:31
2712.06:336:31
2812.06:326:30
2912.06:326:30
3012.06:326:30
3112.06:316:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.46 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.25 kWh/m² in October across the year — August's 5.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Almeirim

In seasonPeak

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

Almeirim'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 August a good time to visit Almeirim?

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

4.3
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Almeirim in August

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

In August, Almeirim sees daytime highs around 32°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Almeirim 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 Almeirim peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Almeirim 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 Almeirim is worst in November — around 23 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1722 µg/m³Jul 109 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep11Good
Oct16Moderate
Nov23Moderate
Dec18Moderate
Location & terrain

Where is Almeirim?

Almeirim sits at 1.5°S, 52.6°W, 6 m above sea level, in Brazil. The nearest listed city is Porto de Moz, 46 km away.

Topography around Almeirim

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

Within 3 km, the terrain around Almeirim has only modest variations in elevation — a maximum elevation change of 176 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 418 m.

The land around Almeirim is covered by trees (44%), water (26%) and grassland (20%) within 3 km, trees (43%), water (25%) and wetland (21%) within 16 km, and trees (69%) within 80 km.

3 km
176 m
16 km
211 m
80 km
418 m
treesgrasslandartificial surfaceswaterwetland
August weather nearby: Porto de Moz 46 km · Laranjal do Jari 78 km · Prainha 104 km · Gurupá 106 km · Senador José Porfírio 138 km · Vitória do Xingu 164 km · Monte Alegre 175 km · Altamira 191 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 Almeirim (-1.5233°, -52.5817°, elevation 6 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).