Olavarría weather in October

In October, Olavarría sees average daytime highs of 20°C and overnight lows near 9°C, with 90 mm of rain across 9.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 3rd-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 37% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 30 min by month's end. Set against the rest of the year, October is Olavarría's 8th-clearest and 3rd-windiest month. For the whole year in context, see Olavarría's year-round climate.

Daytime high
20°
7th warmest
Overnight low
6th coldest
Rainfall
90 mm
9.2 wet days
Daylight
13 hours
6:17 AM – 7:15 PM
Cloud cover
55%
8th clearest
Wind
15 km/h
3rd windiest
Solar energy
5.54 kWh/m²
Travel score
6.4
out of 10

Olavarría is city in Buenos Aires province, Argentina.

Density
3,738/km²
people per km²
Founded
1867

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 Olavarría reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4187
5188
6188
7198
8198
9198
10198
11198
12198
13198
14209
15209
16209
17209
18209
19209
20209
21209
22209
23209
24219
25219
26219
27219
28219
29219
30219
312110

How October really feels in Olavarría

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Olavarría weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°929.314.26.8
Feb26° / 15°757.813.47.1
Mar24° / 13°81812.37.4
Apr20° / 10°857.811.16.7
May16° / 475.710.15.6
Jun13° / 374.69.54.0
Jul12° / 385.29.73.6
Aug15° / 54510.64.9
Sep17° / 626.811.75.7
Oct20° / 909.2136.4
Nov23° / 11°948.9147.2
Dec26° / 14°808.614.57.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64852
74852
84852
94951
104951
115050
125050
135050
145050
155149
165050
175149
185248
195149
205248
215248
225347
235347
245446
255446
265446
275545
285545
295545
305644
315644

Chance of precipitation in October

Any precipitation

Olavarría gets around 90 mm of rain over 9.2 wet days in October. 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 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
829
929
1029
1129
1229
1329
1429
1529
1630
1730
1830
1930
2030
2131
2231
2331
2431
2531
2631
2731
2831
2931
3032
3132

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
293610
393610
492710
592710
691810
791810
891810
990910
1089911
11881011
12881011
13871111
14871111
15861211
16851221
17851221
18841321
19851320
20851320
21841420
22831430
23831430
24831430
25831430
26821530
27821530
28821530
29811630
30811630
31811630

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 30 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 6:39 AM to 6:00 AM, and sunset from 7:01 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:397:01
212.46:387:02
312.56:367:03
412.56:357:04
512.56:337:05
612.66:327:06
712.66:307:07
812.76:297:08
912.76:277:09
1012.76:267:10
1112.86:247:10
1212.86:237:11
1312.86:227:12
1412.96:207:13
1512.96:197:14
1613.06:177:15
1713.06:167:16
1813.06:157:17
1913.16:147:18
2013.16:127:19
2113.26:117:20
2213.26:107:21
2313.26:097:22
2413.36:077:23
2513.36:067:24
2613.36:057:25
2713.46:047:26
2813.46:037:27
2913.46:027:28
3013.56:017:29
3113.56:007:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.54 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 7.63 kWh/m² in December across the year — October's 5.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
246.0Bright
256.0Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in October

Is October a good time to visit Olavarría?

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

6.4
Sightseeing
7th-best month of the year
3.1
Beach & pool
7th-best month of the year

October is a reasonable time to visit Olavarría for sightseeing.

What to pack for Olavarría in October

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

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

rain gearsun protection

UV index in Olavarría 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 Olavarría peaks around January 1 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 1UV 13Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Olavarría?

Olavarría sits at 36.9°S, 60.3°W, 163 m above sea level, in Argentina. The nearest listed city is Azul, 43 km away.

Topography around Olavarría

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

Within 3 km, the terrain around Olavarría has only modest variations in elevation — a maximum elevation change of 24 m around an average of 164 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, significant variations in elevation — a maximum elevation change of 292 m.

The land around Olavarría is covered by artificial surfaces (56%) and grassland (34%) within 3 km, grassland (58%) and cropland (36%) within 16 km, and grassland (67%) and cropland (32%) within 80 km.

3 km
24 m
16 km
181 m
80 km
292 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Azul 43 km · Benito Juárez 98 km · San Carlos de Bolívar 102 km · Tandil 116 km · Las Flores 147 km · Saladillo 148 km · Coronel Pringles 152 km · Coronel Suárez 156 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Olavarría (-36.8938°, -60.3232°, elevation 163 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. 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).