Bella Vista weather in May

In May, Bella Vista sees average daytime highs of 20°C and overnight lows near 11°C, with 114 mm of rain across 13.2 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 36% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Bella Vista's 6th-clearest and 10th-windiest month. For the whole year in context, see Bella Vista's year-round climate.

Daytime high
20°
10th warmest
Overnight low
11°
4th coldest
Rainfall
114 mm
13.2 wet days
Daylight
10 h 42 min
7:57 AM – 6:38 PM
Cloud cover
57%
6th clearest
Wind
5 km/h
10th windiest
Solar energy
3.01 kWh/m²
Travel score
5.9
out of 10

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 18°C by the end.

A typical May day in Bella Vista reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22113
32113
42113
52113
62113
72113
82113
92112
102112
112012
122012
132012
142012
152012
162011
172011
182011
191911
201911
211911
221910
231910
241910
251910
261910
271910
281910
29199
30189
31189

Bella Vista weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°32119.213.54.4
Feb27° / 19°25317.8135.0
Mar26° / 18°25419.712.25.2
Apr23° / 15°17215.211.46.0
May20° / 11°11413.210.75.9
Jun18° / 639.210.36.0
Jul18° / 417.210.56.6
Aug21° / 406.3117.6
Sep24° / 12°728.411.87.5
Oct26° / 15°15314.112.66.2
Nov28° / 18°19515.813.35.5
Dec29° / 19°25518.213.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34852
44852
54753
64753
74852
84753
94852
104654
114654
124753
134753
144654
154654
164654
174654
184654
194852
204951
214951
224951
234951
245050
255050
265149
275149
285248
295248
305347
315347

Chance of precipitation in May

Any precipitation

Bella Vista gets around 114 mm of rain over 13.2 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 42% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
646
746
846
946
1046
1146
1246
1345
1445
1545
1644
1743
1843
1942
2041
2141
2240
2339
2439
2538
2638
2738
2837
2937
3037
3136

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13827269
23927259
34127258
44227247
54328236
64429225
74529215
84630204
94831183
104931173
115131162
125231152
135431141
145531131
155730121
165829121
176028111
186327100
196426100
20672490
21692290
22712180
23731980
24741880
25761770
26771670
27791560
28791560
29811450
30821440
31821440

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:49 AM to 8:05 AM, and sunset from 6:48 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:496:48
211.07:496:47
310.97:506:46
410.97:506:46
510.97:516:45
610.97:526:44
710.97:526:43
810.87:536:43
910.87:536:42
1010.87:546:41
1110.87:546:41
1210.77:556:40
1310.77:566:39
1410.77:566:39
1510.77:576:38
1610.77:576:38
1710.77:586:37
1810.67:586:37
1910.67:596:36
2010.68:006:36
2110.68:006:35
2210.68:016:35
2310.68:016:34
2410.58:026:34
2510.58:026:34
2610.58:036:33
2710.58:036:33
2810.58:046:33
2910.58:046:32
3010.58:056:32
3110.48:056:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.01 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 6.11 kWh/m² in December across the year — May's 3.01 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Hazard calendar for Bella Vista

In seasonPeak

None of Bella Vista's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Bella Vista's rainy season runs October–April, 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 Bella Vista?

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

5.9
Sightseeing
7th-best month of the year
3.0
Beach & pool
10th-best month of the year

May is a reasonable time to visit Bella Vista for sightseeing.

What to pack for Bella Vista in May

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

In May, Bella Vista sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Bella Vista in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Bella Vista peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 19UV 14Jun 23UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr7Very high
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Bella Vista in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Bella Vista is worst in August — around 37 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (May, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodAug 2437 µg/m³May 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr10Good
May10Good
Jun12Good
Jul22Moderate
Aug37Poor
Sep36Poor
Oct22Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Bella Vista?

Bella Vista sits at 27.0°S, 65.3°W, 366 m above sea level, in Argentina. The nearest listed city is Famaillá, 10 km away.

Topography around Bella Vista

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

Within 3 km, the terrain around Bella Vista has only modest variations in elevation — a maximum elevation change of 19 m around an average of 359 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 538 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,157 m.

The land around Bella Vista is covered by cropland (70%) within 3 km, cropland (69%) and trees (20%) within 16 km, and trees (38%) and cropland (37%) within 80 km.

3 km
19 m
16 km
538 m
80 km
5,157 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Famaillá 10 km · Monteros 25 km · Yerba Buena 25 km · San Miguel de Tucuman 26 km · Alderetes 29 km · Tafí Viejo 34 km · Aguilares 54 km · Termas de Río Hondo 67 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 Bella Vista (-27.0342°, -65.302°, elevation 366 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).