San Rafael weather in January

In January, San Rafael sees average daytime highs of 32°C and overnight lows near 18°C, with 46 mm of rain across 8.9 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 68% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is San Rafael's 2nd-clearest and 4th-windiest month. For the whole year in context, see San Rafael's year-round climate.

Daytime high
32°
1st warmest
Overnight low
18°
12th coldest
Rainfall
46 mm
8.9 wet days
Daylight
14 h 06 min
6:40 AM – 8:45 PM
Cloud cover
33%
2nd clearest
Wind
12 km/h
4th windiest
Solar energy
7.76 kWh/m²
Travel score
4.6
out of 10

San Rafael is city in Mendoza Province, Argentina.

Founded
1805

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 32°C through the month.

A typical January day in San Rafael reaches about 32°C in the afternoon and slips back to 18°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C warmer than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13218
23218
33218
43218
53218
63218
73218
83218
93218
103218
113218
123218
133218
143218
153218
163218
173218
183218
193218
203218
213218
223218
233218
243218
253218
263218
273218
283118
293118
303118
313118

How January really feels in San Rafael

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.

San Rafael weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 18°468.9014.14.6
Feb30° / 17°477.1013.35.6
Mar27° / 15°486.8012.37.2
Apr22° / 10°426011.27.7
May18° / 315010.26.6
Jun15° / 183.70.19.75.6
Jul15° / 173.20.69.95.5
Aug18° / 223.40.310.76.9
Sep21° / 284.70.211.87.5
Oct24° / 11°607.6012.97.7
Nov28° / 14°538013.86.8
Dec31° / 17°538.7014.35.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28614
38614
48713
58713
68713
78713
88713
98713
108713
118713
128713
138713
148713
158713
168614
178515
188515
198515
208515
218614
228614
238515
248515
258515
268515
278515
288416
298416
308416
318416

Chance of precipitation in January

Any precipitation

San Rafael gets around 46 mm of rain over 8.9 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
828
928
1028
1127
1227
1327
1428
1528
1628
1728
1828
1929
2029
2129
2229
2330
2430
2530
2630
2730
2830
2930
3030
3129

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

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16424111
26423121
36323122
46223132
56223132
66322132
76322132
86421132
96421132
106421132
116421132
126421132
136321133
146321133
156321133
166321133
176221143
186221143
196222142
206222142
216222142
226222142
236123142
246123142
256123142
266123142
276123142
286123142
296124132
306124132
316025132

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 18 min at the start of January to 13 h 42 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 6:28 AM to 6:55 AM, and sunset from 8:45 PM to 8:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.36:288:45
214.36:298:45
314.36:298:45
414.36:308:45
514.26:318:46
614.26:328:46
714.26:328:46
814.26:338:46
914.26:348:46
1014.26:358:46
1114.26:368:46
1214.26:378:46
1314.16:378:46
1414.16:388:45
1514.16:398:45
1614.16:408:45
1714.16:418:45
1814.06:428:45
1914.06:438:44
2014.06:448:44
2114.06:458:44
2214.06:468:43
2313.96:478:43
2413.96:488:43
2513.96:498:42
2613.96:508:42
2713.86:518:41
2813.86:528:41
2913.86:538:40
3013.86:548:39
3113.76:558:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.76 kWh/m².

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 8.03 kWh/m² in December across the year — January's 7.76 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
28.0Intense
38.0Intense
48.0Intense
57.9Intense
67.9Intense
77.9Intense
87.9Intense
97.9Intense
107.9Intense
117.8Intense
127.8Intense
137.8Intense
147.8Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.6Intense
247.6Intense
257.6Intense
267.5Intense
277.5Intense
287.5Intense
297.4Intense
307.4Intense
317.3Intense
Planning a trip in January

Is January a good time to visit San Rafael?

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

4.6
Sightseeing
12th-best month of the year
7.1
Beach & pool
5th-best month of the year

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

What to pack for San Rafael in January

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

In January, San Rafael sees daytime highs around 32°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in San Rafael in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Rafael peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 14Jun 22UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr5High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is San Rafael?

San Rafael sits at 34.6°S, 68.3°W, 690 m above sea level, in Argentina. The nearest listed city is General Alvear, 71 km away.

Topography around San Rafael

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

Within 3 km, the terrain around San Rafael has only modest variations in elevation — a maximum elevation change of 61 m around an average of 696 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 276 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,885 m.

The land around San Rafael is covered by artificial surfaces (59%) and grassland (27%) within 3 km, grassland (54%) and shrubs (33%) within 16 km, and shrubs (62%) and grassland (32%) within 80 km.

3 km
61 m
16 km
276 m
80 km
1,885 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: General Alvear 71 km · Tunuyán 131 km · Malargüe 149 km · Tupungato 158 km · Rivadavia 159 km · San Martín 171 km · Perdriel 179 km · Rodeo del Medio 183 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 San Rafael (-34.6153°, -68.3324°, elevation 690 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).