Olavarría weather in January

In January, Olavarría sees average daytime highs of 28°C and overnight lows near 15°C, with 92 mm of rain across 9.3 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 55% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of January to 13 h 54 min by month's end. Set against the rest of the year, January is Olavarría's 1st-clearest and 6th-windiest month. For the whole year in context, see Olavarría's year-round climate.

Daytime high
28°
1st warmest
Overnight low
15°
12th coldest
Rainfall
92 mm
9.3 wet days
Daylight
14 h 18 min
6:02 AM – 8:19 PM
Cloud cover
40%
1st clearest
Wind
14 km/h
6th windiest
Solar energy
7.46 kWh/m²
Travel score
6.8
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Olavarría reaches about 28°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12815
22815
32815
42815
52815
62815
72815
82815
92815
102815
112815
122815
132815
142815
152815
162815
172815
182815
192815
202815
212815
222815
232815
242815
252815
262815
272815
282715
292715
302715
312715

How January really feels in Olavarría

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76634
86634
96733
106733
116733
126832
136832
146931
156931
166931
177030
187030
197030
207030
217030
227030
237030
247030
257030
267030
277030
286931
296931
306733
316733

Chance of precipitation in January

Any precipitation

Olavarría gets around 92 mm of rain over 9.3 wet days in January. 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 (%)
128
228
329
429
529
629
729
829
929
1029
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2130
2230
2330
2431
2531
2631
2731
2831
2931
3031
3131

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1402624110
2402524110
3402524110
4412524100
5412524100
6412524100
741252490
842252490
942262490
1042262480
1142262480
1242262480
1341262480
1441262480
1540262580
1640262590
1739262590
1838262690
19382626100
20372627100
21362627100
22362628100
23352629110
24342529110
25342530110
26342530110
27342431110
28342431110
29342331111
30342331111
31342330111

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 30 min at the start of January to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 5:50 AM to 6:18 AM, and sunset from 8:19 PM to 8:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:508:19
214.55:508:19
314.55:518:19
414.55:528:20
514.45:538:20
614.45:548:20
714.45:548:20
814.45:558:20
914.45:568:20
1014.45:578:20
1114.45:588:20
1214.35:598:19
1314.36:008:19
1414.36:018:19
1514.36:028:19
1614.36:028:19
1714.26:038:18
1814.26:048:18
1914.26:058:18
2014.26:068:17
2114.26:078:17
2214.16:088:17
2314.16:098:16
2414.16:108:16
2514.16:128:15
2614.06:138:15
2714.06:148:14
2814.06:158:13
2914.06:168:13
3013.96:178:12
3113.96:188:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.46 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 — January's 7.46 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.4Intense
227.4Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.1Intense
297.1Intense
307.0Intense
317.0Intense
Planning a trip in January

Is January a good time to visit Olavarría?

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

6.8
Sightseeing
5th-best month of the year
7.2
Beach & pool
1st-best month of the year

January is a reasonable time to visit Olavarría for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Olavarría in January

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

In January, Olavarría sees daytime highs around 28°C and nights near 15°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Olavarría in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). 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
January 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).