Montero weather in August

In August, Montero sees average daytime highs of 28°C and overnight lows near 18°C, with 50 mm of rain across 5.8 wet days and about 11.4 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 30°C by the end. The sky is clear or mostly clear about 54% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Montero's 1st-clearest and 1st-windiest month. For the whole year in context, see Montero's year-round climate.

Daytime high
28°
9th warmest
Overnight low
18°
3rd coldest
Rainfall
50 mm
5.8 wet days
Daylight
11 h 24 min
6:35 AM – 5:59 PM
Cloud cover
43%
1st clearest
Wind
12 km/h
1st windiest
Solar energy
4.6 kWh/m²
Travel score
6.6
out of 10

Montero is city in Bolivia.

Density
316/km²
people per km²
Founded
1854

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 30°C by the end.

A typical August day in Montero reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 33°C. Set against its neighbours, August runs about 3°C warmer than July and about 2°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52817
62817
72817
82817
92817
102817
112817
122817
132817
142818
152818
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272919
283019
293019
303019
313019

How August really feels in Montero

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Montero weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°23222.612.93.3
Feb30° / 23°20620.912.63.4
Mar30° / 22°15519.612.13.8
Apr29° / 21°961411.64.9
May26° / 18°821211.26.3
Jun25° / 17°619.9116.7
Jul26° / 16°466.611.17.4
Aug28° / 18°505.811.46.6
Sep30° / 20°968.411.95.0
Oct31° / 22°13714.612.44.0
Nov31° / 22°17217.112.83.7
Dec30° / 23°23923.3133.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36535
46535
56535
66436
76436
86436
96436
106436
116436
126436
136436
146436
156535
166634
176733
186733
196832
206832
216832
227030
237030
247030
257030
267129
277228
287228
297228
307228
317030

Chance of precipitation in August

Any precipitation

Montero gets around 50 mm of rain over 5.8 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 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
417
517
617
717
817
917
1018
1118
1219
1319
1419
1520
1620
1720
1820
1920
2020
2120
2220
2320
2420
2521
2621
2721
2821
2921
3021
3122

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1321418279
2321418279
3311419279
43114192710
53114192610
63113192710
73013202611
83013202611
92913202611
102913202612
112913202612
122913202612
132813202612
142813212612
152813212712
162813212711
172713212811
182713202811
192713202911
202612203012
212612193112
222612193113
232611183113
242611183114
252611183114
262610173115
272610173115
282610173116
292610173117
302610173018
312510173019

Wind in August

Winds average 12 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 12 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 6:43 AM to 6:24 AM, and sunset from 5:55 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:435:55
211.26:425:56
311.26:425:56
411.26:415:56
511.36:415:57
611.36:405:57
711.36:405:57
811.36:395:57
911.36:395:58
1011.36:385:58
1111.36:385:58
1211.46:375:58
1311.46:375:59
1411.46:365:59
1511.46:355:59
1611.46:355:59
1711.46:346:00
1811.46:336:00
1911.56:336:00
2011.56:326:00
2111.56:316:00
2211.56:316:01
2311.56:306:01
2411.56:296:01
2511.56:296:01
2611.66:286:01
2711.66:276:02
2811.66:266:02
2911.66:256:02
3011.66:256:02
3111.66:246:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.6 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 5.42 kWh/m² in October across the year — August's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Montero

In seasonPeak

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

Montero's rainy season runs October–March, 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 Montero?

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

6.6
Sightseeing
3rd-best month of the year
7.8
Beach & pool
1st-best month of the year

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

What to pack for Montero in August

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

In August, Montero sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Montero in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montero peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 18UV 15Jul 15UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul7High
Aug8Very high
Sep9Very high
Oct8Very high
Nov13Extreme
Dec14Extreme

Air quality in Montero 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 Montero is worst in September — around 52 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (May, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1749 µg/m³May 118 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr8Good
May8Good
Jun10Good
Jul14Moderate
Aug29Moderate
Sep52Poor
Oct33Moderate
Nov17Moderate
Dec10Good
Location & terrain

Where is Montero?

Montero sits at 17.3°S, 63.3°W, 300 m above sea level, in Bolivia. The nearest listed city is Warnes, 22 km away.

Ascención de GuarayosMizqueSan Ignacio de Velasco

Topography around Montero

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

Within 3 km, the terrain around Montero has only modest variations in elevation — a maximum elevation change of 19 m around an average of 291 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.

The land around Montero is covered by artificial surfaces (52%) and trees (21%) within 3 km, grassland (44%), trees (26%) and cropland (23%) within 16 km, and trees (37%), cropland (34%) and grassland (25%) within 80 km.

3 km
19 m
16 km
84 m
80 km
1,536 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Warnes 22 km · Santa Cruz 50 km · Cotoca 57 km · Villa Yapacaní 62 km · El Torno 75 km · Ascención de Guarayos 161 km · Mizque 231 km · San Ignacio de Velasco 266 km

Bolivia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$5,148
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2023
Road deaths
21.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 521
Religion
Roman Catholic 65%Protestant 20%none 6%other 5%

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 Montero (-17.3387°, -63.2509°, elevation 300 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).