Montevideo weather in July

In July, Montevideo sees average daytime highs of 12°C and overnight lows near 10°C, with 96 mm of rain across 8.7 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 33% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of July to 10 h 12 min by month's end. Set against the rest of the year, July is Montevideo's 11th-clearest and 3rd-windiest month. For the whole year in context, see Montevideo's year-round climate.

Daytime high
12°
12th warmest
Overnight low
10°
1st coldest
Rainfall
96 mm
8.7 wet days
Daylight
9 h 54 min
8:54 AM – 6:46 PM
Cloud cover
58%
11th clearest
Wind
23 km/h
3rd windiest
Solar energy
2.37 kWh/m²
Travel score
3.4
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical July day in Montevideo reaches about 12°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°C. Set against its neighbours, July runs about 1°C cooler than June and about 1°C cooler than August.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11210
21210
31210
41210
51210
61210
71210
81210
91210
101210
111210
121210
131210
141210
151210
161210
171210
181210
191210
201210
211210
221210
231210
241210
251210
261210
271210
281210
291210
301210
311210

Montevideo weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 6th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54753
64852
74852
84852
94951
104951
114951
124852
134852
144852
154753
164753
174753
184555
194555
204456
214456
224357
234357
244258
254258
264258
274159
284159
294258
304258
314258

Chance of precipitation in July

Any precipitation

Montevideo gets around 96 mm of rain over 8.7 wet days in July. 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 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
829
929
1029
1129
1229
1329
1429
1529
1629
1729
1829
1929
2028
2128
2228
2328
2428
2528
2627
2727
2827
2927
3027
3126

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1946
2946
3946
4946
5946
6946
7946
8946
9946
10946
11946
12946
13955
14955
15955
16955
17964
18964
19964
20964
21964
22964
23964
24964
25964
26964
27964
28964
29964
30955
31955

Wind in July

Winds average 23 km/h in July.

Across July, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 42 min at the start of July to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 8:58 AM to 8:45 AM, and sunset from 6:39 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.78:586:39
29.78:586:39
39.78:586:39
49.78:576:40
59.78:576:40
69.78:576:41
79.78:576:41
89.78:576:42
99.88:576:42
109.88:566:43
119.88:566:43
129.88:566:44
139.88:566:45
149.88:556:45
159.98:556:46
169.98:546:46
179.98:546:47
189.98:536:48
199.98:536:48
209.98:526:49
2110.08:526:50
2210.08:516:50
2310.08:516:51
2410.08:506:52
2510.18:496:53
2610.18:496:53
2710.18:486:54
2810.18:476:55
2910.28:466:55
3010.28:466:56
3110.28:456:57

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.37 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 — July's 2.37 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.7Moderate
312.7Moderate
Planning a trip in July

Is July a good time to visit Montevideo?

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

3.4
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

July is a weaker month for outdoor sightseeing in Montevideo.

What to pack for Montevideo in July

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

In July, Montevideo sees daytime highs around 12°C and nights near 10°C. Worth packing: a warm layer, rain gear and a windbreaker. About 9 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Montevideo in July

The nearest coast averages about 11°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3. 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).