Santa Fe Province Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Santa Fe Province, Argentina in May.

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Rosario Rafaela Cayastá San Lorenzo

Planning a trip to Santa Fe Province, Argentina this May? Here's what you need to know about the weather:

What to Expect in Santa Fe Province in May

Santa Fe Province, Argentina is a region in Argentina. May in Santa Fe Province generally has temperatures that range from pleasant to warm, with moderate precipitation.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Venado Tuerto at 20°C (68°F) to warm in Reconquista at 23°C (73°F). Nighttime temperatures generally drop to 13°C (55°F) in Reconquista and 9°C (48°F) in Venado Tuerto.

To explore the conditions in Santa Fe Province, Argentina in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Venado Tuerto with an average of 63 mm (2.5 in) to moderate rainfall in Reconquista with 88 mm (3.5 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Rosario as an example - it receives around 168 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Santa Fe Province by month

Pick a month to see the average temperature, rainfall and sunshine in Santa Fe Province - and find the best time to visit. (based on Rosario)

January31°C (88°F) February30°C (86°F) March28°C (82°F) April25°C (77°F) May21°C (70°F) June18°C (64°F) This monthJuly17°C (63°F) August20°C (68°F) September22°C (72°F) October25°C (77°F) November28°C (82°F) December30°C (86°F)
Best Time to Visit Santa Fe Province →

Best Places to Visit in Santa Fe Province in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Santa Fe Province.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Santa Fe Province

What is the weather like in May for some of the most popular destinations in Santa Fe Province, Argentina?

Temperature range in Santa Fe Province (May)

Precipitation variation in Santa Fe Province (May)

Rosario

In May Rosario generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« April
May
June »
April
May
June
Max temperature
25°C (77°F)
21°C (70°F)
18°C (64°F)
Min temperature
13°C (55°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
180 hours
168 hours
142 hours
Monthly rainfall
109 mm (4.3 in)
70 mm (2.8 in)
44 mm (1.7 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
very good
excellent
very good
Climate in Rosario →

Rafaela

In May Rafaela generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« April
May
June »
April
May
June
Max temperature
25°C (77°F)
22°C (72°F)
19°C (66°F)
Min temperature
14°C (57°F)
11°C (52°F)
8°C (46°F)
Monthly rainfall
116 mm (4.6 in)
69 mm (2.7 in)
44 mm (1.7 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
very good
excellent
very good
Climate in Rafaela →

Cayastá

In May Cayastá generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« April
May
June »
April
May
June
Max temperature
26°C (79°F)
22°C (72°F)
19°C (66°F)
Min temperature
15°C (59°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
180 hours
165 hours
133 hours
Monthly rainfall
140 mm (5.5 in)
80 mm (3.1 in)
60 mm (2.4 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
very good
excellent
very good
Climate in Cayastá →

San Lorenzo

In May San Lorenzo generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« April
May
June »
April
May
June
Max temperature
25°C (77°F)
21°C (70°F)
18°C (64°F)
Min temperature
14°C (57°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
180 hours
168 hours
142 hours
Monthly rainfall
111 mm (4.4 in)
71 mm (2.8 in)
44 mm (1.7 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
very good
excellent
very good
Climate in San Lorenzo →

Arroyo Seco

In May Arroyo Seco generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« April
May
June »
April
May
June
Max temperature
25°C (77°F)
21°C (70°F)
18°C (64°F)
Min temperature
13°C (55°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
180 hours
168 hours
142 hours
Monthly rainfall
111 mm (4.4 in)
71 mm (2.8 in)
47 mm (1.9 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
very good
excellent
very good
Climate in Arroyo Seco →

Is your destination not in the list? Have a look at all destinations in Santa Fe Province, in Argentina.

In our records: Argentina May extremes

Notable May records observed across cities in Argentina in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest May day in Argentina brought 318 mm (13 in) in Salta on May 18, 1981.

Popular cities in May

Day & night temperatures, rainfall and average weather in Santa Fe Province in May.

City Weather Day temp Night temp Rainfall
Rosario 21°C (70°F) 10°C (50°F) 70 mm (2.8 in)
Rafaela 22°C (72°F) 11°C (52°F) 69 mm (2.7 in)
Cayastá 22°C (72°F) 12°C (54°F) 80 mm (3.1 in)
San Lorenzo 21°C (70°F) 11°C (52°F) 71 mm (2.8 in)
Arroyo Seco 21°C (70°F) 10°C (50°F) 71 mm (2.8 in)
Roldán 21°C (70°F) 10°C (50°F) 70 mm (2.8 in)

Santa Fe Province weather in May: frequently asked questions

What is the weather like in Santa Fe Province, Argentina in May?

Santa Fe Province, Argentina typically experiences excellent weather in May, part of the season. Daytime highs in Rosario average around 21°C (70°F), and temperatures drop to about 10°C (50°F) at night.

What is the average temperature in Santa Fe Province, Argentina in May?

Rosario averages a daytime maximum of 21°C (70°F) in May, with overnight lows close to 10°C (50°F).

Does Santa Fe Province, Argentina get a lot of rain in May?

Rain is generally moderate to light in Santa Fe Province, Argentina during May, with Rosario averaging close to 70 mm (2.8 in).

Is May a Good Time to Visit Santa Fe Province, Argentina?

We believe that May is one of the best times to visit Santa Fe Province, Argentina with overall excellent weather in Rosario.

Generally speaking, the best visiting conditions can be found in May, August and September offering mostly excellent weather in Rosario. The weather in January, February and December, on the other hand, tends to be mixed.

Interested in more climate information?

We have much more information about the climate in Santa Fe Province.

Weather and climate has detailed information for every country in the world. Are you going to Argentina? Get detailed historical weather averages for many cities in Argentina.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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