Mercedes weather in October

In October, Mercedes sees average daytime highs of 23°C and overnight lows near 13°C, with 122 mm of rain across 9.4 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of October to 13 h 18 min by month's end. Set against the rest of the year, October is Mercedes's 9th-clearest and 2nd-windiest month. For the whole year in context, see Mercedes's year-round climate.

Daytime high
23°
7th warmest
Overnight low
13°
6th coldest
Rainfall
122 mm
9.4 wet days
Daylight
12 h 48 min
7:12 AM – 8:02 PM
Cloud cover
55%
9th clearest
Wind
14 km/h
2nd windiest
Solar energy
5.53 kWh/m²
Travel score
7.0
out of 10

Mercedes is city in Uruguay.

Density
1,770/km²
people per km²
Founded
1788

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical October day in Mercedes reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12111
22111
32111
42112
52112
62212
72212
82212
92212
102212
112212
122212
132313
142313
152313
162313
172313
182313
192313
202313
212313
222413
232413
242413
252413
262413
272414
282414
292414
302414
312414

Mercedes weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°997.6145.3
Feb29° / 19°1128.113.25.9
Mar27° / 17°1118.112.37.0
Apr23° / 14°1298.311.27.2
May19° / 11°806.710.36.6
Jun16° / 7479.85.6
Jul16° / 656.4105.4
Aug18° / 896.710.86.4
Sep20° / 10°857.511.86.7
Oct23° / 13°1229.412.87.0
Nov26° / 15°1057.513.77.2
Dec29° / 18°1178.114.26.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44852
54852
64753
74753
84852
94951
104951
115050
125050
135149
145248
155248
165248
175347
185248
195347
205347
215347
225446
235446
245446
255446
265446
275446
285446
295545
305545
315545

Chance of precipitation in October

Any precipitation

Mercedes gets around 122 mm of rain over 9.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
329
429
530
630
730
830
930
1030
1130
1229
1329
1429
1529
1629
1728
1828
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3128

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16822820
26723820
36623920
46524920
563241030
662241130
760251230
860251230
958251331
1057251431
1156251441
1255251541
1354261541
1453261641
1553261641
1652261741
1751271741
1851271741
1950271851
2049271851
2149271851
2249261961
2349261961
2448261960
2548261960
2648261970
2747271970
2846271970
2946272070
3045282070
3144282070

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over October. Sunrise moves from 7:31 AM to 6:56 AM, and sunset from 7:51 PM to 8:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:317:51
212.47:307:52
312.47:297:52
412.47:277:53
512.57:267:54
612.57:257:55
712.57:237:55
812.67:227:56
912.67:217:57
1012.67:197:58
1112.77:187:58
1212.77:177:59
1312.77:168:00
1412.87:148:01
1512.87:138:02
1612.87:128:02
1712.97:118:03
1812.97:108:04
1912.97:088:05
2013.07:078:06
2113.07:068:06
2213.07:058:07
2313.17:048:08
2413.17:038:09
2513.17:028:10
2613.27:018:11
2713.27:008:12
2813.26:598:13
2913.36:588:13
3013.36:578:14
3113.36:568:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.53 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.35 kWh/m² in December across the year — October's 5.53 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
256.0Bright
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in October

Is October a good time to visit Mercedes?

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

7.0
Sightseeing
3rd-best month of the year
5.3
Beach & pool
7th-best month of the year

October is one of the better times to visit Mercedes for general sightseeing.

What to pack for Mercedes in October

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

In October, Mercedes sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Mercedes in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mercedes peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Mercedes?

Mercedes sits at 33.3°S, 58.0°W, 29 m above sea level, in Uruguay. The nearest listed city is Fray Bentos, 30 km away.

Fray BentosDoloresGualeguaychúYoungCarmeloConcepción del UruguayPaysandúTrinidad

Topography around Mercedes

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

Within 3 km, the terrain around Mercedes has only modest variations in elevation — a maximum elevation change of 65 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, only modest variations in elevation — a maximum elevation change of 157 m.

The land around Mercedes is covered by grassland (41%) and artificial surfaces (22%) within 3 km, cropland (43%) and grassland (29%) within 16 km, and cropland (42%) and grassland (32%) within 80 km.

3 km
65 m
16 km
86 m
80 km
157 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Fray Bentos 30 km · Dolores 35 km · Gualeguaychú 53 km · Young 72 km · Carmelo 86 km · Concepción del Uruguay 87 km · Paysandú 104 km · Trinidad 109 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

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 Mercedes (-33.2524°, -58.0305°, elevation 29 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).