Nova Mamoré weather in August

In August, Nova Mamoré sees average daytime highs of 33°C and overnight lows near 21°C, with 32 mm of rain across 5 wet days and about 11.7 hours of daylight. It is the 2nd-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 63% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Nova Mamoré's 2nd-clearest and 1st-windiest month. For the whole year in context, see Nova Mamoré's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
21°
3rd coldest
Rainfall
32 mm
5 wet days
Daylight
11 h 42 min
6:36 AM – 6:15 PM
Cloud cover
37%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
5.38 kWh/m²
Travel score
4.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Nova Mamoré reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, August runs about 2°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13320
23320
33320
43320
53320
63320
73320
83320
93320
103320
113321
123321
133321
143321
153321
163321
173321
183321
193321
203321
213321
223321
233321
243321
253421
263421
273422
283422
293422
303422
313422

How August really feels in Nova Mamoré

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.

Nova Mamoré weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25327.312.52.8
Feb30° / 23°24224.912.32.8
Mar30° / 23°24726.912.12.8
Apr30° / 23°16522.711.83.2
May30° / 22°7515.411.54.2
Jun31° / 21°265.711.45.3
Jul32° / 20°15311.55.3
Aug33° / 21°32511.74.0
Sep33° / 22°7011.611.93.2
Oct33° / 23°12518.612.22.8
Nov32° / 23°18622.612.52.8
Dec31° / 23°24426.112.62.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28317
38218
48218
58119
68119
78020
88020
97921
107822
117822
127822
137822
147822
157822
167822
177822
187723
197822
207822
217822
227723
237723
247525
257525
267525
277426
287327
297327
307228
317129

Chance of precipitation in August

Any precipitation

Nova Mamoré gets around 32 mm of rain over 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 16% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
18
28
38
48
59
69
710
811
911
1012
1113
1214
1315
1416
1516
1617
1717
1818
1918
2019
2120
2220
2321
2422
2522
2623
2724
2824
2925
3026
3126

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1472335300
2472335300
3472434310
4472434320
5472333330
6472332340
7472331350
8472230360
9472230370
10472129390
11472128400
12472028410
13472028410
14471928420
15471827430
16471827430
17471727440
18471627450
19471626461
20471526481
21471426491
22471325501
23461324521
24461224531
25361223551
26361123552
27361122562
28361021582
29361021582
3035920612
3135919613

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 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
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over August. Sunrise moves from 6:41 AM to 6:28 AM, and sunset from 6:13 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:416:13
211.56:416:14
311.66:416:14
411.66:406:14
511.66:406:14
611.66:406:14
711.66:396:14
811.66:396:14
911.66:396:15
1011.66:386:15
1111.66:386:15
1211.66:386:15
1311.66:376:15
1411.66:376:15
1511.66:366:15
1611.76:366:15
1711.76:356:15
1811.76:356:15
1911.76:346:15
2011.76:346:15
2111.76:336:15
2211.76:336:15
2311.76:326:15
2411.76:326:15
2511.76:316:15
2611.76:316:15
2711.86:306:15
2811.86:296:15
2911.86:296:15
3011.86:286:15
3111.86:286:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.6 kWh/m² in September across the year — August's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
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
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Nova Mamoré

In seasonPeak

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

Nova Mamoré's rainy season runs October–April, 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 Nova Mamoré?

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

4.0
Sightseeing
4th-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Nova Mamoré in August

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

In August, Nova Mamoré sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Nova Mamoré in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nova Mamoré peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 19UV 15Sep 12UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Nova Mamoré 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 Nova Mamoré is worst in September — around 78 µg/m³ PM2.5 (unhealthy), about 9.3× the cleanest month (May, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateSep 1275 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun9Good
Jul16Moderate
Aug63Unhealthy
Sep78Unhealthy
Oct29Moderate
Nov17Moderate
Dec12Moderate
Location & terrain

Where is Nova Mamoré?

Nova Mamoré sits at 10.4°S, 65.3°W, 133 m above sea level, in Brazil. The nearest listed city is Guajará Mirim, 42 km away.

Candeias do Jamari

Topography around Nova Mamoré

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

Within 3 km, the terrain around Nova Mamoré has only modest variations in elevation — a maximum elevation change of 58 m around an average of 136 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 372 m.

The land around Nova Mamoré is covered by grassland (54%) and trees (35%) within 3 km, trees (55%) and grassland (39%) within 16 km, and trees (78%) and grassland (20%) within 80 km.

3 km
58 m
16 km
135 m
80 km
372 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Guajará Mirim 42 km · Guayaramerín 47 km · Riberalta 104 km · Buritis 165 km · Plácido de Castro 203 km · Alto Paraíso 233 km · Porto Velho 240 km · Candeias do Jamari 252 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 Nova Mamoré (-10.4019°, -65.3267°, elevation 133 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).