Riobamba weather in August

In August, Riobamba sees average daytime highs of 14°C and overnight lows near 3°C, with 29 mm of rain across 8.1 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels dry.

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 Riobamba's 1st-clearest and 2nd-windiest month. For the whole year in context, see Riobamba's year-round climate.

Daytime high
14°
3rd warmest
Overnight low
1st coldest
Rainfall
29 mm
8.1 wet days
Daylight
11 h 54 min
6:20 AM – 6:17 PM
Cloud cover
68%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
5.91 kWh/m²
Travel score
4.2
out of 10

Riobamba is city in Ecuador, capital of the Chimborazo Province.

Density
6,573/km²
people per km²
Founded
1534

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 14°C through the month.

A typical August day in Riobamba reaches about 14°C in the afternoon and slips back to 3°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1143
2143
3143
4143
5143
6143
7143
8143
9143
10143
11143
12143
13143
14143
15143
16143
17143
18143
19143
20143
21143
22143
23143
24153
25153
26153
27153
28153
29153
30153
31153

How August really feels in Riobamba

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 15 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
15
wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Riobamba weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 13421.712.12.9
Feb14° / 15722.712.12.6
Mar14° / 20527.6122.3
Apr14° / 17726.4122.4
May14° / 11522.211.92.8
Jun13° / 7416.911.93.1
Jul13° / 4912.411.93.5
Aug14° / 298.111.94.2
Sep15° / 4912.2124.1
Oct14° / 11421.9123.0
Nov14° / 14223.512.12.6
Dec14° / 13723.312.12.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53664
63763
73664
83664
93565
103565
113565
123367
133367
143367
153268
163268
173169
183070
193169
203070
213070
222971
232971
242971
252971
262971
272971
282872
292872
302872
312872

Chance of precipitation in August

Any precipitation

Riobamba gets around 29 mm of rain over 8.1 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
332
431
531
630
730
829
929
1029
1128
1228
1328
1428
1528
1627
1727
1826
1926
2026
2125
2225
2325
2425
2525
2625
2725
2826
2926
3026
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:23 AM to 6:16 AM, and sunset from 6:18 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:236:18
211.96:236:18
311.96:236:18
411.96:236:18
511.96:226:18
611.96:226:18
711.96:226:18
811.96:226:18
911.96:226:18
1011.96:226:18
1111.96:216:18
1211.96:216:18
1311.96:216:18
1411.96:216:17
1511.96:216:17
1611.96:206:17
1711.96:206:17
1811.96:206:17
1911.96:206:17
2012.06:196:16
2112.06:196:16
2212.06:196:16
2312.06:186:16
2412.06:186:15
2512.06:186:15
2612.06:176:15
2712.06:176:15
2812.06:176:14
2912.06:166:14
3012.06:166:14
3112.06:166:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.91 kWh/m².

For context, solar energy here swings from a low near 5.06 kWh/m² to a high of 6.16 kWh/m² in September across the year — August's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Riobamba?

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

4.2
Sightseeing
1st-best month of the year
Beach & pool
never really warm enough

August is a reasonable time to visit Riobamba for sightseeing.

What to pack for Riobamba in August

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

In August, Riobamba sees daytime highs around 14°C and nights near 3°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

UV index in Riobamba in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riobamba peaks around February 19 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 13 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 19Jul 15UV 13
UV index (midday)Level
Jan18Extreme
Feb19Extreme
Mar19Extreme
Apr16Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep15Extreme
Oct16Extreme
Nov14Extreme
Dec14Extreme

Air quality in Riobamba 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 Riobamba is worst in September — around 21 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1921 µg/m³Jul 1113 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb21Moderate
Mar21Moderate
Apr19Moderate
May16Moderate
Jun13Moderate
Jul13Moderate
Aug17Moderate
Sep21Moderate
Oct20Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Riobamba?

Riobamba sits at 1.7°S, 78.7°W, 2,777 m above sea level, in Ecuador. The nearest listed city is Guamote, 31 km away.

Topography around Riobamba

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

Within 3 km, the terrain around Riobamba has significant variations in elevation — a maximum elevation change of 288 m around an average of 2,786 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,033 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,236 m.

The land around Riobamba is covered by artificial surfaces (62%) and cropland (23%) within 3 km, cropland (56%) within 16 km, and trees (48%) and grassland (32%) within 80 km.

3 km
288 m
16 km
2,033 m
80 km
6,236 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Guamote 31 km · Guaranda 39 km · Pelileo 39 km · Banos 40 km · Ambato 46 km · Montalvo 71 km · Puyo 75 km · Pujilí 79 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 Riobamba (-1.6651°, -78.6589°, elevation 2,777 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).