San Rafael weather in April

In April, San Rafael sees average daytime highs of 22°C and overnight lows near 10°C, with 42 mm of rain across 6 wet days and about 11.2 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 54% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of April to 10 h 42 min by month's end. Set against the rest of the year, April is San Rafael's 9th-clearest and 9th-windiest month. For the whole year in context, see San Rafael's year-round climate.

Daytime high
22°
7th warmest
Overnight low
10°
6th coldest
Rainfall
42 mm
6 wet days
Daylight
11 h 06 min
8:00 AM – 7:08 PM
Cloud cover
40%
9th clearest
Wind
10 km/h
9th windiest
Solar energy
3.97 kWh/m²
Travel score
7.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 20°C by the end.

A typical April day in San Rafael reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, April runs about 5°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12412
22412
32412
42412
52412
62312
72312
82311
92311
102311
112311
122311
132211
142210
152210
162210
172210
182210
192210
202210
212110
22219
23219
24219
25219
26219
27219
28209
29209
30209

How April really feels in San Rafael

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in April.

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

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26832
36832
46733
56733
66733
76832
86832
96832
106832
116931
127030
137030
147030
156931
167030
176931
186931
196931
206931
216931
226931
236832
246832
256733
266832
276733
286634
296634
306436

Chance of precipitation in April

Any precipitation

San Rafael gets around 42 mm of rain over 6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
325
425
525
624
724
823
922
1022
1121
1220
1319
1419
1518
1618
1718
1817
1917
2017
2116
2216
2316
2416
2515
2615
2715
2815
2916
3016

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
182162
282162
383152
484142
584142
685132
786122
888111
989101
109091
119181
129271
139271
149361
159451
169550
179550
189640
199640
209730
219730
229730
239730
249820
259820
269820
279820
289820
299820
309820

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over April. Sunrise moves from 7:48 AM to 8:11 AM, and sunset from 7:28 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:487:28
211.67:487:27
311.67:497:25
411.67:507:24
511.57:517:23
611.57:527:21
711.57:527:20
811.47:537:18
911.47:547:17
1011.37:557:16
1111.37:567:14
1211.37:567:13
1311.27:577:12
1411.27:587:10
1511.27:597:09
1611.18:007:08
1711.18:007:06
1811.18:017:05
1911.08:027:04
2011.08:037:02
2111.08:047:01
2210.98:047:00
2310.98:056:59
2410.98:066:57
2510.88:076:56
2610.88:086:55
2710.88:086:54
2810.78:096:53
2910.78:106:52
3010.78:116:50

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.97 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 — April's 3.97 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.1Bright
124.1Bright
134.1Bright
144.0Bright
154.0Bright
164.0Moderate
174.0Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in April

Is April a good time to visit San Rafael?

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

7.7
Sightseeing
1st-best month of the year
5.3
Beach & pool
7th-best month of the year

April is one of the better times to visit San Rafael for general sightseeing.

What to pack for San Rafael in April

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

In April, San Rafael sees daytime highs around 22°C and nights near 10°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in San Rafael in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. 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
April 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).