Colonia del Sacramento in Fall

In fall (March, April and May), Colonia del Sacramento sees average daytime highs around 21°C and overnight lows near 15°C, with 267 mm of rain over about 22 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 25°C in early March to 16°C by late May. The sky is clear or mostly clear about 43% of the time across fall, and the air most often feels dry.

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

Avg daytime high
21°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
267 mm
22 wet days
Avg wind
16 km/h
Travel score
6.8
2nd-best season
Months
Mar · Apr · May

Temperature in Colonia del Sacramento in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 25°C in early March to 16°C by late May.

A typical fall day in Colonia del Sacramento reaches about 21°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.

10°15°20°25°30°MarAprMay

Colonia del Sacramento 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
Jan27° / 21°816.9147.3
Feb26° / 20°1038.113.37.1
Mar24° / 19°1017.612.37.5
Apr21° / 15°977.911.26.9
May17° / 12°706.610.26.0
Jun14° / 10°717.29.74.5
Jul13° / 746.89.94.1
Aug15° / 10°756.710.75.1
Sep17° / 12°817.611.85.8
Oct20° / 14°1119.412.96.5
Nov23° / 17°1027.913.87.3
Dec26° / 19°847.714.37.4

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Colonia del Sacramento gets around 267 mm of rain over 22 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 16 km/h across fall.

05101520MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early March to 9 h 54 min 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 3.9 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Colonia del Sacramento?

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.

6.8
Sightseeing
2nd-best month of the year
4.0
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Colonia del Sacramento for sightseeing.

What to pack for Colonia del Sacramento in Fall

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

In fall, Colonia del Sacramento sees daytime highs around 21°C and nights near 15°C. Worth packing: light clothes and sun protection. About 22 days see rain.

light clothessun protection

Sea temperature near Colonia del Sacramento in Fall

The nearest coast averages about 20°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 9 to Apr 19 — about 5.3 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr20Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Bracing
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Colonia del Sacramento in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colonia del Sacramento peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Colonia del Sacramento?

Colonia del Sacramento sits at 34.5°S, 57.8°W, 30 m above sea level, in Uruguay. The nearest listed city is Ensenada, 45 km away.

EnsenadaBerissoQuilmesBerazateguiRetiroBuenos AiresLa PlataSarandí

Topography around Colonia del Sacramento

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

Within 3 km, the terrain around Colonia del Sacramento has only modest variations in elevation — a maximum elevation change of 48 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, only modest variations in elevation — a maximum elevation change of 189 m.

The land around Colonia del Sacramento is covered by water (49%) within 3 km, water (65%) within 16 km, and water (37%), grassland (23%) and cropland (23%) within 80 km.

3 km
48 m
16 km
87 m
80 km
189 m
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Ensenada 45 km · Berisso 46 km · Quilmes 48 km · Berazategui 48 km · Retiro 52 km · Buenos Aires 52 km · La Plata 52 km · Sarandí 52 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 Colonia del Sacramento (-34.4626°, -57.8398°, elevation 30 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.