Puerto Iguazú

Misiones Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Misiones, Argentina in May.

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Puerto Iguazú Posadas El Soberbio Oberá

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

What to Expect in Misiones in May

Misiones, Argentina is a region in Argentina. May in Misiones generally has warm temperatures, with precipitation levels ranging from high to heavy. It's the height of winter.

Temperatures

You can expect warm maximum daytime temperatures of around 25°C (77°F) and nighttime temperatures around 15°C (59°F) in Puerto Iguazú.

For a closer look at conditions across Misiones, Argentina, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Posadas with an average of 152 mm (6 in) to heavy rainfall in Puerto Libertad with 168 mm (6.6 in).

Average sunshine

Sunshine levels are moderate in most locations. Puerto Iguazú typically sees 137 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Misiones by month

Pick a month to see the average temperature, rainfall and sunshine in Misiones — and find the best time to visit. (based on Puerto Iguazú)

January32°C (90°F) February32°C (90°F) March31°C (88°F) April29°C (84°F) May25°C (77°F) This monthJune24°C (75°F) July24°C (75°F) August26°C (79°F) September28°C (82°F) October30°C (86°F) November31°C (88°F) December32°C (90°F)
Best Time to Visit Misiones →

Best Places to Visit in Misiones in May

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

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 Misiones

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

Temperature range in Misiones (May)

Precipitation variation in Misiones (May)

Puerto Iguazú

In May Puerto Iguazú generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 15°C (59°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
25°C (77°F)
24°C (75°F)
Min temperature
18°C (64°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
154 hours
137 hours
114 hours
Monthly rainfall
152 mm (6 in)
168 mm (6.6 in)
147 mm (5.8 in)
Monthly rainy days
7 days
8 days
8 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Puerto Iguazú →

Posadas

In May Posadas generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
24°C (75°F)
23°C (73°F)
Min temperature
18°C (64°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
175 hours
180 hours
160 hours
Monthly rainfall
168 mm (6.6 in)
152 mm (6 in)
133 mm (5.2 in)
Monthly rainy days
9 days
8 days
8 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Posadas →

El Soberbio

In May El Soberbio generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
24°C (75°F)
22°C (72°F)
Min temperature
16°C (61°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
150 mm (5.9 in)
159 mm (6.3 in)
163 mm (6.4 in)
Monthly rainy days
10 days
10 days
11 days
Weather conditions
pleasant
pleasant
pleasant
Climate in El Soberbio →

Oberá

In May Oberá generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
24°C (75°F)
22°C (72°F)
Min temperature
17°C (63°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
171 mm (6.7 in)
156 mm (6.1 in)
145 mm (5.7 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Oberá →

San Ignacio

In May San Ignacio generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
24°C (75°F)
23°C (73°F)
Min temperature
17°C (63°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
175 hours
180 hours
160 hours
Monthly rainfall
165 mm (6.5 in)
160 mm (6.3 in)
144 mm (5.7 in)
Monthly rainy days
8 days
8 days
8 days
Weather conditions
pleasant
pleasant
pleasant
Climate in San Ignacio →

Is your destination not in the list? Have a look at all destinations in Misiones, 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 Misiones in May.

City Weather Day temp Night temp Rainfall
Puerto Iguazú 25°C (77°F) 15°C (59°F) 168 mm (6.6 in)
Posadas 24°C (75°F) 14°C (57°F) 152 mm (6 in)
El Soberbio 24°C (75°F) 13°C (55°F) 159 mm (6.3 in)
Oberá 24°C (75°F) 13°C (55°F) 156 mm (6.1 in)
San Ignacio 24°C (75°F) 14°C (57°F) 160 mm (6.3 in)
Saltos del Moconá 24°C (75°F) 13°C (55°F) 159 mm (6.3 in)

Misiones weather in May: frequently asked questions

What is the weather like in Misiones, Argentina in May?

Expect pleasant weather across Misiones, Argentina in May. The popular destination of Puerto Iguazú averages 25°C (77°F) by day and 15°C (59°F) at night during this winter month.

What is the average temperature in Misiones, Argentina in May?

In Puerto Iguazú, the average daytime high in May is 25°C (77°F), while nighttime temperatures drop to around 15°C (59°F).

Does Misiones, Argentina get a lot of rain in May?

Expect plenty of rainfall. Puerto Iguazú records an average of 168 mm (6.6 in) in May, putting it among the wetter months for Misiones, Argentina.

Is May a Good Time to Visit Misiones, Argentina?

In our opinion, May is a good time to visit Misiones, Argentina with overall pleasant weather in Puerto Iguazú. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in August offering mostly perfect weather in Puerto Iguazú. On the other hand, the weather in February, October and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Misiones.

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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