Río Negro Weather in May

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

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El Bolsón Las Grutas Cipolletti Viedma

Planning a getaway to Río Negro, Argentina this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Río Negro in May

Río Negro, Argentina is a region in Argentina. Río Negro, Argentina offers a broad spectrum of weather patterns. In May, one might encounter temperatures that range from cold to pleasant, and precipitation levels ranging from low to heavy.

Temperatures

During the day the temperature is cold in Villa Mascardi at 8°C (46°F) and pleasant in Río Colorado at 18°C (64°F). As night falls, temperatures generally drop to 6°C (43°F) in Río Colorado and -1°C (30°F) in Villa Mascardi.

For specific regional insights in Río Negro, Argentina, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From low rainfall in Las Grutas with an average of 27 mm (1.1 in) to heavy rainfall in Villa Mascardi with 179 mm (7 in).

Explore Río Negro by month

Pick a month to see the average temperature, rainfall and sunshine in Río Negro — and find the best time to visit. (based on El Bolsón)

January20°C (68°F) February21°C (70°F) March18°C (64°F) April13°C (55°F) May9°C (48°F) June5°C (41°F) This monthJuly5°C (41°F) August6°C (43°F) September9°C (48°F) October12°C (54°F) November15°C (59°F) December18°C (64°F)
Best Time to Visit Río Negro →

Best Places to Visit in Río Negro in May

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

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 Río Negro

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

Temperature range in Río Negro (May)

Precipitation variation in Río Negro (May)

El Bolsón

In May El Bolsón generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 0°C (32°F) and heavy monthly snow/rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Min temperature
2°C (36°F)
0°C (32°F)
-3°C (27°F)
Monthly snow/rainfall
128 mm (5 in)
173 mm (6.8 in)
242 mm (9.5 in)
Monthly rainy days
7 days
12 days
13 days
Weather conditions
poor
poor
poor
Climate in El Bolsón →

Las Grutas

In May Las Grutas generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 7°C (45°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
22°C (72°F)
17°C (63°F)
14°C (57°F)
Min temperature
11°C (52°F)
7°C (45°F)
5°C (41°F)
Monthly rainfall
31 mm (1.2 in)
27 mm (1.1 in)
27 mm (1.1 in)
Monthly rainy days
4 days
4 days
4 days
Weather conditions
perfect
pleasant
pleasant
Climate in Las Grutas →

Cipolletti

In May Cipolletti generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 6°C (43°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
22°C (72°F)
17°C (63°F)
14°C (57°F)
Min temperature
9°C (48°F)
6°C (43°F)
3°C (37°F)
Monthly sun hours
215 hours
149 hours
120 hours
Monthly rainfall
26 mm (1 in)
28 mm (1.1 in)
24 mm (0.9 in)
Monthly rainy days
3 days
4 days
4 days
Weather conditions
perfect
pleasant
pleasant
Climate in Cipolletti →

Viedma

In May Viedma generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
16°C (61°F)
14°C (57°F)
Min temperature
13°C (55°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
202 hours
150 hours
128 hours
Monthly rainfall
39 mm (1.5 in)
34 mm (1.3 in)
34 mm (1.3 in)
Monthly rainy days
5 days
6 days
5 days
Weather conditions
perfect
tolerable
tolerable
Climate in Viedma →

Allen

In May Allen generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 5°C (41°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
22°C (72°F)
17°C (63°F)
14°C (57°F)
Min temperature
9°C (48°F)
5°C (41°F)
3°C (37°F)
Monthly sun hours
215 hours
149 hours
120 hours
Monthly rainfall
27 mm (1.1 in)
28 mm (1.1 in)
23 mm (0.9 in)
Monthly rainy days
3 days
4 days
4 days
Weather conditions
perfect
pleasant
pleasant
Climate in Allen →

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

City Weather Day temp Night temp Rainfall
El Bolsón 9°C (48°F) 0°C (32°F) 173 mm (6.8 in)
Las Grutas 17°C (63°F) 7°C (45°F) 27 mm (1.1 in)
Cipolletti 17°C (63°F) 6°C (43°F) 28 mm (1.1 in)
Viedma 16°C (61°F) 10°C (50°F) 34 mm (1.3 in)
Allen 17°C (63°F) 5°C (41°F) 28 mm (1.1 in)
Balneario El Condor 16°C (61°F) 10°C (50°F) 34 mm (1.3 in)

Río Negro weather in May: frequently asked questions

What is the weather like in Río Negro, Argentina in May?

Expect poor weather across Río Negro, Argentina in May. The popular destination of El Bolsón averages 9°C (48°F) by day and 0°C (32°F) at night during this month.

What is the average temperature in Río Negro, Argentina in May?

Average temperatures in Río Negro, Argentina during May range from a nighttime low near 0°C (32°F) to a daytime high around 9°C (48°F) in El Bolsón.

Does Río Negro, Argentina get a lot of snow/rain in May?

Expect plenty of snow/rainfall. El Bolsón records an average of 173 mm (6.8 in) in May, putting it among the wetter months for Río Negro, Argentina.

Is May a Good Time to Visit Río Negro, Argentina?

In our opinion, May may not be the ideal time to visit Río Negro, Argentina due to the typically poor weather in El Bolsón.

On average, the best time to visit Río Negro, Argentina is in January and February with generally perfect weather in El Bolsón. On the other hand, the months of April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Río Negro.

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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