General Alvear weather in May

In May, General Alvear sees average daytime highs of 19°C and overnight lows near 8°C, with 25 mm of rain across 3.8 wet days and about 10.2 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of May to 9 h 48 min by month's end. Set against the rest of the year, May is General Alvear's 12th-clearest and 11th-windiest month. For the whole year in context, see General Alvear's year-round climate.

Daytime high
19°
9th warmest
Overnight low
4th coldest
Rainfall
25 mm
3.8 wet days
Daylight
10 h 12 min
8:22 AM – 6:32 PM
Cloud cover
49%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
2.89 kWh/m²
Travel score
6.9
out of 10

General Alvear is city in Mendoza Province, Argentina.

Founded
1914

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 17°C by the end.

A typical May day in General Alvear reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°C. Set against its neighbours, May runs about 5°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1219
2219
3219
4219
5209
6209
7209
8209
9209
10209
11198
12198
13198
14198
15198
16188
17188
18187
19187
20187
21187
22177
23177
24177
25176
26176
27176
28176
29176
30176
31176

How May really feels in General Alvear

Once humidity and wind are folded in, May 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

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

General Alvear weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°478.914.13.9
Feb31° / 18°527.113.34.9
Mar28° / 16°536.712.36.8
Apr23° / 11°395.111.17.9
May19° / 253.810.26.9
Jun16° / 132.79.75.8
Jul15° / 132.49.95.8
Aug18° / 183.110.77.3
Sep21° / 284.211.87.7
Oct25° / 12°577.312.97.6
Nov29° / 15°497.213.86.5
Dec32° / 18°578.114.34.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36238
46238
56238
66139
76040
86040
95941
105941
115842
125842
135842
145743
155743
165644
175743
185644
195644
205644
215545
225545
235545
245644
255644
265743
275842
285941
296040
306040
316238

Chance of precipitation in May

Any precipitation

General Alvear gets around 25 mm of rain over 3.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
913
1013
1113
1214
1314
1414
1514
1614
1714
1814
1913
2013
2113
2212
2312
2411
2511
2610
2710
2810
299
309
318

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3955
4955
5955
6964
7964
8964
9973
10973
11973
12982
13982
14982
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
271000
281000
291000
301000
311000

Wind in May

Winds average 12 km/h in May.

Across May, 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
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 36 min at the start of May to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 8:10 AM to 8:33 AM, and sunset from 6:46 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:106:46
210.68:116:45
310.58:116:44
410.58:126:43
510.58:136:42
610.58:146:41
710.48:156:40
810.48:156:39
910.48:166:38
1010.38:176:37
1110.38:186:36
1210.38:196:35
1310.38:206:35
1410.28:206:34
1510.28:216:33
1610.28:226:32
1710.18:236:31
1810.18:236:31
1910.18:246:30
2010.18:256:29
2110.08:266:29
2210.08:276:28
2310.08:276:27
2410.08:286:27
2510.08:296:26
269.98:296:26
279.98:306:25
289.98:316:25
299.98:326:24
309.98:326:24
319.88:336:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.89 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 8.07 kWh/m² in December across the year — May's 2.89 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit General Alvear?

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

6.9
Sightseeing
5th-best month of the year
2.8
Beach & pool
9th-best month of the year

May is a reasonable time to visit General Alvear for sightseeing.

What to pack for General Alvear in May

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

In May, General Alvear sees daytime highs around 19°C and nights near 8°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in General Alvear in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in General Alvear peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 18UV 13Jun 19UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Very high
Apr5High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is General Alvear?

General Alvear sits at 35.0°S, 67.7°W, 471 m above sea level, in Argentina. The nearest listed city is San Rafael, 71 km away.

RivadaviaSan MartínTupungatoSan LuisPerdriel

Topography around General Alvear

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

Within 3 km, the terrain around General Alvear has only modest variations in elevation — a maximum elevation change of 15 m around an average of 471 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.

The land around General Alvear is covered by grassland (49%) and artificial surfaces (23%) within 3 km, shrubs (47%) and grassland (41%) within 16 km, and shrubs (85%) within 80 km.

3 km
15 m
16 km
62 m
80 km
1,336 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: San Rafael 71 km · Malargüe 180 km · Tunuyán 197 km · Rivadavia 211 km · San Martín 222 km · Tupungato 223 km · San Luis 226 km · Perdriel 238 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 Alvear (-34.9775°, -67.6962°, elevation 471 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).