General Roca weather in January

In January, General Roca sees average daytime highs of 31°C and overnight lows near 17°C, with 18 mm of rain across 3.1 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 76% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of January to 14 hours by month's end. Set against the rest of the year, January is General Roca's 1st-clearest and 3rd-windiest month. For the whole year in context, see General Roca's year-round climate.

Daytime high
31°
1st warmest
Overnight low
17°
12th coldest
Rainfall
18 mm
3.1 wet days
Daylight
14 h 30 min
6:26 AM – 8:53 PM
Cloud cover
24%
1st clearest
Wind
16 km/h
3rd windiest
Solar energy
8.36 kWh/m²
Travel score
5.7
out of 10

General Roca is city and municipality in Río Negro Province, Argentina.

Density
149/km²
people per km²
Founded
1879

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 31°C through the month.

A typical January day in General Roca reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 36°C. Set against its neighbours, January runs about 2°C warmer than December and about 2°C warmer than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13117
23117
33117
43117
53117
63117
73117
83117
93117
103117
113117
123117
133118
143118
153118
163118
173118
183118
193118
203118
213118
223118
233118
243118
253118
263118
273117
283117
293117
303117
313117

How January really feels in General Roca

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.

General Roca weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°183.114.45.7
Feb30° / 17°22313.56.6
Mar26° / 14°253.512.38.1
Apr21° / 293.6117.8
May16° / 274.99.95.7
Jun13° / 204.49.33.9
Jul12° / 193.69.53.9
Aug15° / 142.910.55.4
Sep18° / 213.511.77.0
Oct22° / 10°364.3137.8
Nov26° / 13°223.214.18.0
Dec29° / 16°162.714.76.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28515
38515
48515
58515
68515
78614
88614
98614
108713
118713
128713
138713
148614
158614
168614
178614
188614
198614
208614
218614
228614
238614
248614
258614
268614
278515
288515
298614
308515
318515

Chance of precipitation in January

Any precipitation

General Roca gets around 18 mm of rain over 3.1 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 10% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
49
59
69
79
89
99
109
119
129
139
1410
1510
1611
1711
1811
1912
2012
2112
2212
2312
2412
2512
2612
2712
2812
2911
3011
3111

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192530
292530
392530
492530
592530
692530
792530
892431
992431
1092431
1191531
1291531
1391531
1490631
1590631
1690631
1789731
1889731
1989731
2088741
2188741
2288741
2388741
2488741
2588741
2688741
2789641
2889641
2990640
3091540
3191540

Wind in January

Winds average 16 km/h in January.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light 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 January

DaylightNight

Daylight runs from about 14 h 42 min at the start of January to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over January. Sunrise moves from 6:13 AM to 6:42 AM, and sunset from 8:54 PM to 8:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.76:138:54
214.76:138:55
314.76:148:55
414.76:158:55
514.76:168:55
614.66:178:55
714.66:178:55
814.66:188:55
914.66:198:55
1014.66:208:55
1114.66:218:54
1214.56:228:54
1314.56:238:54
1414.56:248:54
1514.56:258:54
1614.56:268:53
1714.46:278:53
1814.46:288:53
1914.46:298:52
2014.46:308:52
2114.36:318:51
2214.36:328:51
2314.36:338:50
2414.36:348:50
2514.26:358:49
2614.26:378:49
2714.26:388:48
2814.16:398:47
2914.16:408:47
3014.16:418:46
3114.06:428:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 8.36 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 8.56 kWh/m² in December across the year — January's 8.36 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.6Intense
28.6Intense
38.6Intense
48.6Intense
58.6Intense
68.6Intense
78.6Intense
88.6Intense
98.6Intense
108.6Intense
118.5Intense
128.5Intense
138.5Intense
148.5Intense
158.4Intense
168.4Intense
178.4Intense
188.3Intense
198.3Intense
208.3Intense
218.2Intense
228.2Intense
238.1Intense
248.1Intense
258.1Intense
268.0Intense
278.0Intense
287.9Intense
297.9Intense
307.8Intense
317.8Intense
Planning a trip in January

Is January a good time to visit General Roca?

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

5.7
Sightseeing
8th-best month of the year
8.3
Beach & pool
3rd-best month of the year

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

What to pack for General Roca in January

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

In January, General Roca sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in General Roca in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in General Roca peaks around December 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 20UV 13Jun 23UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Low
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is General Roca?

General Roca sits at 39.0°S, 67.6°W, 237 m above sea level, in Argentina. The nearest listed city is Allen, 22 km away.

Topography around General Roca

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

Within 3 km, the terrain around General Roca has only modest variations in elevation — a maximum elevation change of 41 m around an average of 238 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, large variations in elevation — a maximum elevation change of 764 m.

The land around General Roca is covered by artificial surfaces (49%) within 3 km, shrubs (61%) within 16 km, and shrubs (89%) within 80 km.

3 km
41 m
16 km
251 m
80 km
764 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Allen 22 km · Cipolletti 37 km · Neuquén 42 km · Villa Regina 44 km · Cinco Saltos 48 km · Centenario 53 km · Plottier 57 km · Catriel 130 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 General Roca (-39.0333°, -67.5833°, elevation 237 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).