Mercedes in Fall

In fall (March, April and May), Mercedes sees average daytime highs around 23°C and overnight lows near 14°C, with 319 mm of rain over about 23 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 28°C in early March to 18°C by late May. The sky is clear or mostly clear about 41% of the time across fall, and the air most often feels dry.

Fall is Mercedes's 2nd-best season to visit on our travel score. For the whole year in context, see Mercedes's year-round climate.

Avg daytime high
23°C
2nd-warmest season
Avg overnight low
14°C
Rainfall
319 mm
23 wet days
Avg wind
12 km/h
Travel score
6.9
2nd-best season
Months
Mar · Apr · May

Temperature in Mercedes in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 28°C in early March to 18°C by late May.

A typical fall day in Mercedes reaches about 23°C and drops to 14°C overnight. The warmest of the three months is March, the coolest May.

10°20°30°MarAprMay

Mercedes weather by month

How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.

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 Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Mercedes gets around 319 mm of rain over 23 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%MarAprMay

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Fall

Winds average 12 km/h across fall.

051015MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early March to 10 hours by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.8 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Mercedes?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.9
Sightseeing
2nd-best month of the year
5.3
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Mercedes for sightseeing.

What to pack for Mercedes in Fall

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

In fall, Mercedes sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Mercedes in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. 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
Fall 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.