El Chaltén

Patagonia Weather in May

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

Planning a journey to Patagonia, Argentina this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Patagonia in May

Patagonia, Argentina is a region in Argentina. Patagonia, Argentina has a wide variety of climate types. During May, you can expect temperatures that range from cold to pleasant and precipitation levels ranging from low to heavy.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is cold in El Chaltén at 3°C (37°F) to pleasant in Santa Rosa at 19°C (66°F). Nighttime temperatures generally drop to 7°C (45°F) in Santa Rosa and -3°C (27°F) in El Chaltén.

To explore the conditions in Patagonia, Argentina in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From low rainfall in Puerto Madryn with an average of 23 mm (0.9 in) to heavy rainfall in Puerto Blest with 274 mm (11 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Puerto Madryn as an example - it receives around 136 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 Patagonia by month

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

Best Places to Visit in Patagonia in May

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

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 Patagonia

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

Temperature range in Patagonia (May)

Precipitation variation in Patagonia (May)

Puerto Madryn

In May Puerto Madryn 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.

May
April
May
June
Max temperature
22°C (72°F)
17°C (63°F)
14°C (57°F)
Min temperature
10°C (50°F)
6°C (43°F)
3°C (37°F)
Monthly sun hours
172 hours
136 hours
119 hours
Monthly rainfall
21 mm (0.8 in)
23 mm (0.9 in)
24 mm (0.9 in)
Monthly rainy days
4 days
5 days
5 days
Weather conditions

El Chaltén

In May El Chaltén generally has low temperatures with maximum daytime temperatures around 3°C (37°F), minimum nighttime temperatures around -3°C (27°F) and heavy monthly snow/rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
6°C (43°F)
3°C (37°F)
1°C (34°F)
Min temperature
-1°C (30°F)
-3°C (27°F)
-5°C (23°F)
Monthly sun hours
160 hours
120 hours
100 hours
Monthly snow/rainfall
239 mm (9.4 in)
216 mm (8.5 in)
183 mm (7.2 in)
Monthly rainy days
8 days
8 days
6 days
Weather conditions

Neuquén

In May Neuquén 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.

May
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
24 mm (0.9 in)
28 mm (1.1 in)
24 mm (0.9 in)
Monthly rainy days
4 days
5 days
5 days
Weather conditions

Puerto Blest

In May Puerto Blest generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 1°C (34°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
12°C (54°F)
8°C (46°F)
5°C (41°F)
Min temperature
3°C (37°F)
1°C (34°F)
-1°C (30°F)
Monthly sun hours
182 hours
131 hours
98 hours
Monthly rainfall
186 mm (7.3 in)
274 mm (11 in)
405 mm (16 in)
Monthly rainy days
8 days
14 days
14 days
Weather conditions

Trelew

In May Trelew 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.

May
April
May
June
Max temperature
22°C (72°F)
17°C (63°F)
14°C (57°F)
Min temperature
10°C (50°F)
6°C (43°F)
3°C (37°F)
Monthly sun hours
207 hours
153 hours
133 hours
Monthly rainfall
20 mm (0.8 in)
24 mm (0.9 in)
25 mm (1 in)
Monthly rainy days
4 days
6 days
7 days
Weather conditions

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

City Weather Day temp Night temp Rainfall
Puerto Madryn 17°C (63°F) 6°C (43°F) 23 mm (0.9 in)
El Chaltén 3°C (37°F) -3°C (27°F) 216 mm (8.5 in)
Neuquén 17°C (63°F) 5°C (41°F) 28 mm (1.1 in)
Puerto Blest 8°C (46°F) 1°C (34°F) 274 mm (11 in)
Trelew 17°C (63°F) 6°C (43°F) 24 mm (0.9 in)
Comodoro Rivadavia 14°C (57°F) 6°C (43°F) 32 mm (1.3 in)

Patagonia weather in May: frequently asked questions

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

May in Patagonia, Argentina brings pleasant weather. In Puerto Madryn, daytime temperatures are typically around 17°C (63°F) and nighttime lows hover near 6°C (43°F).

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

Daytime temperatures in Puerto Madryn peak at roughly 17°C (63°F) in May, dropping to about 6°C (43°F) overnight.

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

Not particularly. Puerto Madryn averages just 23 mm (0.9 in) of rain in May, making it a mostly dry month for Patagonia, Argentina.

Is May a Good Time to Visit Patagonia, Argentina?

In our opinion, May may not be the ideal time to visit Patagonia, Argentina due to the typically pleasant weather in Puerto Madryn.

Generally speaking, February, March, April, September, October, November and December provide perfect weather in Puerto Madryn.

Interested in more climate information?

We have much more information about the climate in Patagonia.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.