Rafaela weather in May

In May, Rafaela sees average daytime highs of 20°C and overnight lows near 11°C, with 65 mm of rain across 6.1 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Rafaela's 12th-clearest and 8th-windiest month. For the whole year in context, see Rafaela's year-round climate.

Daytime high
20°
9th warmest
Overnight low
11°
5th coldest
Rainfall
65 mm
6.1 wet days
Daylight
10 h 24 min
7:50 AM – 6:15 PM
Cloud cover
54%
12th clearest
Wind
11 km/h
8th windiest
Solar energy
2.93 kWh/m²
Travel score
7.0
out of 10

Rafaela is Argentine municipality in the province of Santa Fe.

Density
3,168/km²
people per km²
Founded
1881

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 22°C in the first days to 19°C by the end.

A typical May day in Rafaela reaches about 20°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62212
72212
82212
92112
102112
112111
122111
132111
142111
152111
162011
172011
182011
192011
202010
212010
222010
231910
241910
251910
261910
27199
28199
29199
30199
31199

Rafaela weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°1199.513.85.1
Feb29° / 19°1258.913.15.7
Mar27° / 17°1398.912.26.7
Apr24° / 14°109811.37.4
May20° / 11°656.110.47.0
Jun18° / 404.8106.5
Jul17° / 304.210.26.6
Aug20° / 424.210.97.5
Sep22° / 11°575.711.87.7
Oct25° / 14°1309.712.87.2
Nov28° / 16°1248.613.66.7
Dec30° / 18°1299.4145.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25644
35644
45644
55545
65545
75446
85446
95347
105347
115248
125248
135149
145050
154951
164951
174951
184852
194852
204852
214852
224852
234852
244852
254951
264951
275050
285050
295149
305248
315347

Chance of precipitation in May

Any precipitation

Rafaela gets around 65 mm of rain over 6.1 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 20% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
123
223
322
422
522
621
721
821
920
1020
1120
1220
1320
1420
1520
1620
1720
1820
1920
2020
2119
2219
2319
2418
2518
2617
2717
2816
2916
3016
3115

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1512016112
2532015102
3541915102
4541915102
5561914101
657191491
758191391
858201381
960201271
1060201271
1161201261
1261201261
1362201251
1462201251
1562201251
1663191251
1763191251
1865181241
1966181240
2067171240
2168161240
2269151240
2371141140
2471141140
2572131140
2672131140
2774131030
2875121030
297612930
307612930
317712830

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 48 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 7:39 AM to 7:59 AM, and sunset from 6:27 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:396:27
210.87:406:26
310.77:416:25
410.77:416:24
510.77:426:23
610.77:436:22
710.67:436:22
810.67:446:21
910.67:456:20
1010.67:466:19
1110.57:466:18
1210.57:476:18
1310.57:486:17
1410.57:486:16
1510.47:496:15
1610.47:506:15
1710.47:506:14
1810.47:516:13
1910.47:526:13
2010.37:526:12
2110.37:536:12
2210.37:546:11
2310.37:546:11
2410.37:556:10
2510.27:566:10
2610.27:566:09
2710.27:576:09
2810.27:576:08
2910.27:586:08
3010.27:596:08
3110.17:596:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.93 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 7.2 kWh/m² in December across the year — May's 2.93 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Rafaela?

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

7.0
Sightseeing
5th-best month of the year
3.9
Beach & pool
9th-best month of the year

May is one of the better times to visit Rafaela for general sightseeing.

What to pack for Rafaela in May

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

In May, Rafaela sees daytime highs around 20°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Rafaela 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 Rafaela peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 18UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Rafaela?

Rafaela sits at 31.3°S, 61.5°W, 96 m above sea level, in Argentina. The nearest listed city is Sunchales, 35 km away.

Topography around Rafaela

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

Within 3 km, the terrain around Rafaela has only modest variations in elevation — a maximum elevation change of 22 m around an average of 98 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, only modest variations in elevation — a maximum elevation change of 108 m.

The land around Rafaela is covered by artificial surfaces (61%) within 3 km, cropland (86%) within 16 km, and cropland (88%) within 80 km.

3 km
22 m
16 km
50 m
80 km
108 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Sunchales 35 km · Esperanza 57 km · San Francisco 60 km · Morteros 78 km · San Jorge 80 km · Santo Tomé 83 km · Santa Fe 86 km · Gálvez 90 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 Rafaela (-31.2528°, -61.4908°, elevation 96 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).