Bariloche weather in May

In May, Bariloche sees average daytime highs of 7°C and overnight lows near 0°C, with 119 mm of precipitation across 13 wet days and about 9.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 5°C by the end. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of May to 9 h 18 min by month's end. Set against the rest of the year, May is Bariloche's 11th-clearest and 11th-windiest month. For the whole year in context, see Bariloche's year-round climate.

Daytime high
8th warmest
Overnight low
5th coldest
Precipitation
119 mm
13 wet days
Daylight
9 h 42 min
8:50 AM – 6:33 PM
Cloud cover
75%
11th clearest
Wind
8 km/h
11th windiest
Solar energy
1.93 kWh/m²
Travel score
0.8
out of 10

Bariloche is city in the province of Río Negro in Argentina.

Density
433/km²
people per km²
Founded
1902

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 9°C in the first days to 5°C by the end.

A typical May day in Bariloche reaches about 7°C in the afternoon and slips back to 0°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 11°C. Set against its neighbours, May runs about 4°C cooler than April and about 4°C warmer than June.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
191
291
391
491
591
691
791
881
981
1081
1181
1281
1381
1471
1571
1670
1770
1870
1970
2060
2160
2260
2360
2460
256-1
265-1
275-1
285-1
295-1
305-1
315-1

How May really feels in Bariloche

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Bariloche weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan19° / 315.20.414.67.2
Feb19° / 3350.213.67.2
Mar16° / 4170.512.35.7
Apr11° / 748.72.610.92.9
May / 119136.29.70.8
Jun / -2°1721613.39.10.0
Jul / -3°14014.513.79.30.0
Aug / -3°13114.512.810.40.0
Sep / -1°6810.37.811.70.7
Oct10° / 7010.25.913.12.2
Nov13° / 528.32.614.34.0
Dec17° / 476.81.114.96.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33070
43070
52971
62971
72872
82773
92674
102674
112674
122476
132377
142377
152377
162278
172278
182278
192179
202179
212179
222179
232278
242377
252377
262278
272278
282278
292278
302278
312179

Chance of precipitation in May

Any precipitationSnow

Bariloche gets around 119 mm of rain and snow over 13 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 51% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
13311
23311
33411
43412
53512
63512
73613
83713
93714
103815
113916
123917
134018
144019
154120
164221
174222
184323
194324
204424
214525
224526
234627
244627
254628
264729
274830
284831
294932
305033
315135

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 18 min at the start of May to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over May. Sunrise moves from 8:35 AM to 9:04 AM, and sunset from 6:50 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.38:356:50
210.28:366:49
310.28:376:48
410.18:386:46
510.18:396:45
610.18:406:44
710.08:416:42
810.08:426:41
99.98:436:40
109.98:446:39
119.98:456:38
129.88:466:37
139.88:476:36
149.88:486:35
159.78:496:34
169.78:506:33
179.78:516:32
189.68:526:31
199.68:536:30
209.68:546:29
219.58:556:28
229.58:566:27
239.58:576:26
249.58:586:26
259.48:596:25
269.49:006:24
279.49:016:24
289.49:026:23
299.39:026:22
309.39:036:22
319.39:046:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 1.93 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.97 kWh/m² in December across the year — May's 1.93 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.2Moderate
72.2Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.0Moderate
122.0Moderate
132.0Dim
142.0Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in May

Hazard calendar for Bariloche

In seasonPeak

In May, Bariloche sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Bariloche's rainy season runs May–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Bariloche?

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

0.8
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Bariloche.

What to pack for Bariloche in May

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

In May, Bariloche sees daytime highs around 7°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Bariloche in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bariloche peaks around December 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateVery highExtremeDec 20UV 13Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar8Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec13Extreme
Location & terrain

Where is Bariloche?

Bariloche sits at 41.1°S, 71.3°W, 839 m above sea level, in Argentina. The nearest listed city is El Bolsón, 93 km away.

Topography around Bariloche

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

Within 3 km, the terrain around Bariloche has significant variations in elevation — a maximum elevation change of 427 m around an average of 865 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,452 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,290 m.

The land around Bariloche is covered by artificial surfaces (40%) and trees (23%) within 3 km, grassland (36%), trees (30%) and water (22%) within 16 km, and grassland (44%) and trees (37%) within 80 km.

3 km
427 m
16 km
1,452 m
80 km
3,290 m
treesshrubsgrasslandartificial surfacesbare terrainwater
May weather nearby: El Bolsón 93 km · San Martín de los Andes 110 km · Puerto Montt 141 km · Puerto Varas 142 km · Llanquihue 143 km · Frutillar 147 km · Purranque 157 km · Río Bueno 165 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 Bariloche (-41.1456°, -71.3082°, elevation 839 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).