Montevideo weather in March

In March, Montevideo sees average daytime highs of 22°C and overnight lows near 20°C, with 97 mm of rain across 7.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 50% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Montevideo's 4th-clearest and 11th-windiest month. For the whole year in context, see Montevideo's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
97 mm
7.8 wet days
Daylight
12 h 18 min
7:46 AM – 8:03 PM
Cloud cover
44%
4th clearest
Wind
22 km/h
11th windiest
Solar energy
5 kWh/m²
Travel score
7.3
out of 10

Montevideo is capital and largest city of Uruguay.

Air quality
Moderate
PM2.5 12 µg/m³ · 2018
Density
1,741/km²
people per km²
Founded
1726

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical March day in Montevideo reaches about 22°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, March runs about 1°C cooler than February and about 3°C warmer than April.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42320
52320
62320
72320
82320
92320
102320
112320
122320
132320
142320
152220
162220
172220
182219
192219
202219
212219
222219
232219
242219
252219
262219
272119
282119
292119
302119
312118

Montevideo weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 21°675.814.18.0
Feb24° / 21°917.413.37.5
Mar22° / 20°977.812.37.3
Apr19° / 17°1078.411.16.5
May16° / 14°877.910.25.4
Jun14° / 11°908.69.74.0
Jul12° / 10°968.79.93.4
Aug13° / 11°978.410.73.9
Sep15° / 12°928.311.84.6
Oct17° / 14°1118.812.95.7
Nov20° / 17°1017.713.86.8
Dec22° / 19°736.814.37.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
66733
76733
86733
96634
106535
116535
126436
136436
146436
156436
166337
176337
186337
196337
206238
216238
226238
236238
246337
256337
266337
276238
286238
296139
306139
316040

Chance of precipitation in March

Any precipitation

Montevideo gets around 97 mm of rain over 7.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
523
624
724
824
924
1025
1125
1225
1326
1426
1526
1626
1726
1826
1927
2027
2127
2227
2327
2426
2526
2626
2726
2826
2926
3026
3126

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
19172933121
29172933111
39172933110
49172933110
510172933110
610172834110
710172834100
811172734100
911182734100
1012182734100
111218263490
121318263490
131319273480
141419273370
151519273360
161620273250
171620273150
181721273140
191821273130
201821283030
211921283020
221921292920
232021292910
242021302810
252022312710
262022312600
272122322500
282122322400
292123322300
302223332200
312223332100

Wind in March

Winds average 22 km/h in March.

Across March, daily wind ranges from about 22 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 7:33 AM to 7:58 AM, and sunset from 8:23 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:338:23
212.87:348:21
312.87:358:20
412.77:368:19
512.77:378:18
612.67:388:16
712.67:398:15
812.67:398:14
912.57:408:12
1012.57:418:11
1112.57:428:10
1212.47:438:08
1312.47:448:07
1412.37:458:05
1512.37:458:04
1612.37:468:03
1712.27:478:01
1812.27:488:00
1912.27:497:58
2012.17:507:57
2112.17:507:55
2212.07:517:54
2312.07:527:53
2412.07:537:51
2511.97:547:50
2611.97:547:48
2711.97:557:47
2811.87:567:45
2911.87:577:44
3011.77:587:42
3111.77:587:41

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5 kWh/m².

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 7.54 kWh/m² in December across the year — March's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit Montevideo?

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

7.3
Sightseeing
4th-best month of the year
5.2
Beach & pool
4th-best month of the year

March is one of the better times to visit Montevideo for general sightseeing.

What to pack for Montevideo in March

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

In March, Montevideo sees daytime highs around 22°C and nights near 20°C. Worth packing: light clothes, sun protection and a windbreaker. About 8 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Montevideo in March

The nearest coast averages about 22°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 24°C and coldest in July near 11°C.

It's comfortable for a long swim from Nov 27 to Apr 9 — about 4.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb24Refreshing
Mar22Refreshing
Apr19Cool
May16Cool
Jun13Bracing
Jul11Bracing
Aug12Bracing
Sep13Bracing
Oct16Cool
Nov19Cool
Dec22Refreshing

UV index in Montevideo in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montevideo peaks around January 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 17UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec11Extreme

Air quality in Montevideo in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Montevideo is worst in August — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (February, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Montevideo's WHO annual average of 12 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1416 µg/m³Feb 2210 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb10Good
Mar10Good
Apr11Good
May12Moderate
Jun13Moderate
Jul15Moderate
Aug16Moderate
Sep14Moderate
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Montevideo?

Montevideo sits at 34.9°S, 56.2°W, 34 m above sea level, in Uruguay. The nearest listed city is Paso de Carrasco, 13 km away.

Canelones

Topography around Montevideo

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

Within 3 km, the terrain around Montevideo has only modest variations in elevation — a maximum elevation change of 56 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.

The land around Montevideo is covered by artificial surfaces (55%) and water (38%) within 3 km, water (53%) and artificial surfaces (21%) within 16 km, and water (43%) and grassland (27%) within 80 km.

3 km
56 m
16 km
130 m
80 km
394 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Paso de Carrasco 13 km · La Paz 16 km · Las Piedras 19 km · Delta del Tigre 22 km · Barros Blancos 24 km · Progreso 26 km · Pando 29 km · Canelones 43 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 Montevideo (-34.9033°, -56.1882°, elevation 34 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).