Piriapolis weather in October

In October, Piriapolis sees average daytime highs of 20°C and overnight lows near 12°C, with 99 mm of rain across 9.4 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 34% 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 24 min by month's end. Set against the rest of the year, October is Piriapolis's 7th-clearest and 4th-windiest month. For the whole year in context, see Piriapolis's year-round climate.

Daytime high
20°
7th warmest
Overnight low
12°
6th coldest
Rainfall
99 mm
9.4 wet days
Daylight
12 h 54 min
6:59 AM – 7:53 PM
Cloud cover
59%
7th clearest
Wind
16 km/h
4th windiest
Solar energy
5.3 kWh/m²
Travel score
6.3
out of 10

Piriapolis is city of Uruguay.

Density
319/km²
people per km²
Founded
1893

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 18°C in the first days to 21°C by the end.

A typical October day in Piriapolis reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°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)
11811
21811
31811
41811
51811
61911
71911
81911
91911
101912
111912
121912
131912
141912
152012
162012
172012
182012
192012
202012
212012
222012
232012
242012
252012
262013
272013
282013
292113
302113
312113

Piriapolis weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°707.614.17.2
Feb26° / 18°978.913.36.9
Mar24° / 17°95912.37.2
Apr21° / 14°998.611.16.8
May18° / 11°767.910.26.0
Jun15° / 898.39.74.7
Jul14° / 908.79.94.3
Aug16° / 938.610.75.1
Sep17° / 10°918.311.85.6
Oct20° / 12°999.412.96.3
Nov22° / 14°857.813.87.2
Dec25° / 16°808.514.37.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44357
54357
64456
74456
84456
94555
104654
114753
124753
134753
144753
154852
164852
174852
184951
195050
204951
215050
225050
234852
244852
254852
264852
274852
284951
294852
304951
314951

Chance of precipitation in October

Any precipitation

Piriapolis gets around 99 mm of rain over 9.4 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
230
330
430
530
631
731
830
930
1030
1130
1230
1329
1429
1529
1629
1729
1829
1929
2029
2130
2230
2330
2430
2529
2629
2729
2829
2929
3029
3129

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1742240
2742240
3722350
4712450
5712450
6692560
7692560
8672670
9672670
10672670
11662680
12662680
13642790
14632791
156227101
166227101
176127111
186127111
196027121
205828131
215828131
225728141
235728141
245628151
255628151
265628151
275529151
285429152
295330152
305330152
315131162

Wind in October

Winds average 16 km/h in October.

Across October, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over October. Sunrise moves from 7:20 AM to 6:43 AM, and sunset from 7:40 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:207:40
212.47:187:41
312.47:177:42
412.57:157:43
512.57:147:44
612.57:137:44
712.67:117:45
812.67:107:46
912.67:087:47
1012.77:077:48
1112.77:067:49
1212.77:047:49
1312.87:037:50
1412.87:027:51
1512.97:017:52
1612.96:597:53
1712.96:587:54
1813.06:577:55
1913.06:567:56
2013.06:547:56
2113.16:537:57
2213.16:527:58
2313.16:517:59
2413.26:508:00
2513.26:498:01
2613.26:488:02
2713.36:478:03
2813.36:468:04
2913.36:458:05
3013.46:448:06
3113.46:438:07

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 7.32 kWh/m² in December across the year — October's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
306.0Bright
316.0Bright
Planning a trip in October

Is October a good time to visit Piriapolis?

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

6.3
Sightseeing
7th-best month of the year
3.0
Beach & pool
7th-best month of the year

October is a reasonable time to visit Piriapolis for sightseeing.

What to pack for Piriapolis in October

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

In October, Piriapolis sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Piriapolis in October

The nearest coast averages about 16°C in October — 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 23°C and coldest in July near 11°C.

It's comfortable for a long swim from Dec 9 to Apr 10 — about 4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb23Refreshing
Mar22Refreshing
Apr20Cool
May17Cool
Jun13Bracing
Jul11Bracing
Aug12Bracing
Sep13Bracing
Oct16Cool
Nov18Cool
Dec21Refreshing

UV index in Piriapolis in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piriapolis peaks around January 16 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 16UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar10Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Piriapolis?

Piriapolis sits at 34.9°S, 55.3°W, 0 m above sea level, in Uruguay. The nearest listed city is Maldonado, 30 km away.

MaldonadoPunta del EsteSan CarlosMinasPandoBarros BlancosPaso de CarrascoMontevideo

Topography around Piriapolis

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

Within 3 km, the terrain around Piriapolis has only modest variations in elevation — a maximum elevation change of 249 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 501 m; within 80 km, significant variations in elevation — a maximum elevation change of 494 m.

The land around Piriapolis is covered by trees (31%), water (28%) and grassland (21%) within 3 km, water (55%) and grassland (24%) within 16 km, and grassland (42%) and water (38%) within 80 km.

3 km
249 m
16 km
501 m
80 km
494 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Maldonado 30 km · Punta del Este 32 km · San Carlos 34 km · Minas 54 km · Pando 65 km · Barros Blancos 68 km · Paso de Carrasco 71 km · Montevideo 83 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 Piriapolis (-34.8629°, -55.2747°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).