Montalvo weather in August

In August, Montalvo sees average daytime highs of 23°C and overnight lows near 17°C, with 506 mm of rain across 30.4 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels humid.

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 Montalvo's 1st-clearest and 1st-windiest month. For the whole year in context, see Montalvo's year-round climate.

Daytime high
23°
12th warmest
Overnight low
17°
1st coldest
Rainfall
506 mm
30.4 wet days
Daylight
11 h 54 min
6:23 AM – 6:19 PM
Cloud cover
83%
1st clearest
Wind
4 km/h
1st windiest
Solar energy
4.11 kWh/m²
Travel score
3.6
out of 10

Montalvo is Town and urban parish of Los Ríos Province, Ecuador.

Founded
1906

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 23°C through the month.

A typical August day in Montalvo reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, August runs on par with July and on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92317
102317
112317
122317
132317
142317
152317
162317
172317
182317
192317
202317
212317
222317
232317
242317
252317
262317
272317
282317
292317
302317
312317

Montalvo weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 19°110730.612.13.5
Feb25° / 19°10622812.13.4
Mar25° / 19°110730.7123.4
Apr25° / 19°110129.4123.4
May25° / 19°107830.611.93.5
Jun24° / 18°73929.811.93.5
Jul23° / 17°65630.511.93.5
Aug23° / 17°50630.411.93.6
Sep23° / 17°58629.6123.5
Oct24° / 18°47028.2123.8
Nov24° / 18°38425.912.14.0
Dec24° / 19°73029.412.13.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51387
61387
71288
81288
91288
101189
111189
121090
131090
14892
15892
16892
17793
18793
19793
20694
21694
22694
23694
24595
25595
26595
27595
28694
29694
30694
31793

Chance of precipitation in August

Any precipitation

Montalvo gets around 506 mm of rain over 30.4 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 98% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
198
298
398
498
598
698
798
898
998
1098
1198
1298
1398
1498
1598
1698
1798
1898
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3098
3198

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
16436
26436
36535
46535
56535
66535
76535
86535
96535
106535
116535
126535
136535
146634
156634
166733
176733
186832
196832
206931
216931
226931
237030
247030
257030
267030
277030
287129
297129
307030
317030

Wind in August

Winds average 4 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:26 AM to 6:18 AM, and sunset from 6:21 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:266:21
211.96:256:21
311.96:256:21
411.96:256:21
511.96:256:21
611.96:256:21
711.96:256:21
811.96:256:20
911.96:256:20
1011.96:246:20
1111.96:246:20
1211.96:246:20
1311.96:246:20
1411.96:236:20
1511.96:236:20
1611.96:236:19
1711.96:236:19
1811.96:226:19
1911.96:226:19
2011.96:226:19
2111.96:226:19
2211.96:216:18
2312.06:216:18
2412.06:216:18
2512.06:206:18
2612.06:206:17
2712.06:206:17
2812.06:196:17
2912.06:196:17
3012.06:196:16
3112.06:186:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.11 kWh/m².

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 4.24 kWh/m² in September across the year — August's 4.11 kWh/m² sits near the top of that range.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Montalvo?

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

3.6
Sightseeing
4th-best month of the year
2.8
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Montalvo.

What to pack for Montalvo in August

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

In August, Montalvo sees daytime highs around 23°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

UV index in Montalvo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montalvo peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 16Jul 19UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Montalvo 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 Montalvo is worst in November — around 47 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (January, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorNov 1745 µg/m³Jan 2420 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar22Moderate
Apr23Moderate
May21Moderate
Jun21Moderate
Jul21Moderate
Aug21Moderate
Sep23Moderate
Oct27Moderate
Nov47Poor
Dec30Moderate
Location & terrain

Where is Montalvo?

Montalvo sits at 1.8°S, 79.3°W, 65 m above sea level, in Ecuador. The nearest listed city is Babahoyo, 26 km away.

Topography around Montalvo

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

Within 3 km, the terrain around Montalvo has only modest variations in elevation — a maximum elevation change of 155 m around an average of 75 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,468 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,245 m.

The land around Montalvo is covered by trees (69%) within 3 km, trees (60%) and grassland (22%) within 16 km, and trees (38%) and grassland (34%) within 80 km.

3 km
155 m
16 km
2,468 m
80 km
6,245 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Babahoyo 26 km · Guaranda 39 km · Ventanas 43 km · Naranjito 47 km · Milagro 51 km · Samborondón 52 km · Yaguachi Nuevo 57 km · Vinces 58 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Montalvo (-1.7901°, -79.2876°, elevation 65 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).