Chascomús, Argentina — Weather in May 2027

Monthly climate averages for Chascomús, Argentina. Based on 10-year ERA5 reanalysis data.

Cfa Humid Subtropical
7.5 /10
Good

May is a good month in Chascomús

Climate Overview

Chascomús, Argentina in May has mild conditions, with highs averaging 17.2°C (63°F) and noticeably cooler mornings.

This month falls at the end of Autumn.

Daily highs in May gradually drop from around 19°C (66°F) at the start to 15°C (59°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 7.6h of sunshine at the start of May, decreasing to 6.6h by the end.

The warmest days tend to fall around the 2th, averaging 19.3°C (67°F).

Compared to April, this month is about 4°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into June.

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Monthly May Averages

Temperature
17°C / 10°C
Feels Like
15°C / 7°C
Rain
5 days · 61 mm
Sunshine
7h / day
Humidity
79% — Humid
Wind
18 km/h
Wind Direction
W (272°)
Gusts
34 km/h
Daylight
10.2 h
Cloud Cover
56%
Clear Sky Days
5
UV Index
3.2 — Moderate
Dew Point
10°C — Dry
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 20°C 16°C 12°C 8°C 4°C 0°C 151015202531
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 07:41
Daylight 10.3h
Sunset 17:56

Compare Months

January best
Excellent
Temp
29°C / 19°C
Feels Like
31°C / 19°C
Rain
8days (60 mm) Wet
Sun
11.7h Excellent
Humidity
65% Muggy
UV
8.7 Very High
View Details
February best
Excellent
Temp
28°C / 18°C
Feels Like
30°C / 19°C
Rain
7days (72 mm) Good
Sun
10.7h Excellent
Humidity
68% Muggy
UV
7.7 Very High
View Details
March best
Excellent
Temp
26°C / 17°C
Feels Like
26°C / 16°C
Rain
8days (83 mm) Wet
Sun
9.8h Good
Humidity
72% Muggy
UV
6.4 High
View Details
April
Good
Temp
22°C / 13°C
Feels Like
21°C / 12°C
Rain
8days (81 mm) Wet
Sun
8.2h Good
Humidity
76% Humid
UV
4.4 Moderate
View Details
May
Good
Temp
17°C / 10°C
Feels Like
15°C / 7°C
Rain
5days (61 mm) Good
Sun
7h Good
Humidity
79% Humid
UV
3.2 Moderate
View Details
June
Good
Temp
15°C / 7°C
Feels Like
12°C / 4°C
Rain
5days (42 mm) Good
Sun
6.7h Fair
Humidity
79% Humid
UV
2.7 Moderate
View Details
July
Fair
Temp
14°C / 6°C
Feels Like
11°C / 3°C
Rain
7days (53 mm) Good
Sun
6.7h Fair
Humidity
79% Humid
UV
3.1 Moderate
View Details
August
Good
Temp
16°C / 7°C
Feels Like
14°C / 4°C
Rain
5days (52 mm) Good
Sun
8h Good
Humidity
75% Muggy
UV
3.9 Moderate
View Details
September
Good
Temp
18°C / 9°C
Feels Like
17°C / 6°C
Rain
6days (63 mm) Good
Sun
8.6h Good
Humidity
74% Muggy
UV
5.3 High
View Details
October
Good
Temp
21°C / 11°C
Feels Like
20°C / 9°C
Rain
7days (65 mm) Good
Sun
9.7h Good
Humidity
71% Muggy
UV
6.9 High
View Details
November best
Excellent
Temp
25°C / 15°C
Feels Like
25°C / 13°C
Rain
8days (60 mm) Wet
Sun
11.2h Excellent
Humidity
66% Muggy
UV
7.9 Very High
View Details
December best
Excellent
Temp
28°C / 17°C
Feels Like
28°C / 16°C
Rain
8days (78 mm) Wet
Sun
12.1h Excellent
Humidity
63% Muggy
UV
8.4 Very High
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January best 29°C / 19°C 31°C / 19°C 8days (60 mm) Wet 11.7h Excellent 65% Muggy 8.7 Very High Excellent View Details
February best 28°C / 18°C 30°C / 19°C 7days (72 mm) Good 10.7h Excellent 68% Muggy 7.7 Very High Excellent View Details
March best 26°C / 17°C 26°C / 16°C 8days (83 mm) Wet 9.8h Good 72% Muggy 6.4 High Excellent View Details
April 22°C / 13°C 21°C / 12°C 8days (81 mm) Wet 8.2h Good 76% Humid 4.4 Moderate Good View Details
May 17°C / 10°C 15°C / 7°C 5days (61 mm) Good 7h Good 79% Humid 3.2 Moderate Good View Details
June 15°C / 7°C 12°C / 4°C 5days (42 mm) Good 6.7h Fair 79% Humid 2.7 Moderate Good View Details
July 14°C / 6°C 11°C / 3°C 7days (53 mm) Good 6.7h Fair 79% Humid 3.1 Moderate Fair View Details
August 16°C / 7°C 14°C / 4°C 5days (52 mm) Good 8h Good 75% Muggy 3.9 Moderate Good View Details
September 18°C / 9°C 17°C / 6°C 6days (63 mm) Good 8.6h Good 74% Muggy 5.3 High Good View Details
October 21°C / 11°C 20°C / 9°C 7days (65 mm) Good 9.7h Good 71% Muggy 6.9 High Good View Details
November best 25°C / 15°C 25°C / 13°C 8days (60 mm) Wet 11.2h Excellent 66% Muggy 7.9 Very High Excellent View Details
December best 28°C / 17°C 28°C / 16°C 8days (78 mm) Wet 12.1h Excellent 63% Muggy 8.4 Very High Excellent View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

Packing List

Layered clothingLight jacketComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Chascomús, with average highs of 17°C (63°F) and around 5 rainy days. Chascomús, Argentina in May has mild conditions, with highs averaging 17.2°C (63°F) and noticeably cooler mornings.
Chascomús typically sees around 5 rainy days in May with 61 mm (2.4 in) of total rainfall. An umbrella should suffice.
Nights in Chascomús during May are cool at around 10°C (49°F). Bring a jacket or sweater for evenings.
With highs of 17°C (63°F) and lows of 10°C (49°F) in May, we recommend: Layered clothing, Light jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Chascomús. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Chascomús during May is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Chascomús gets approximately 10 hours of daylight per day in May, with around 7 hours of sunshine.
Snow is uncommon in Chascomús during May based on 10-year climate averages.

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