Monthly climate averages for Serrano, Argentina. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewSerrano, Argentina in May has mild conditions, with highs averaging 17.9°C (64°F) and noticeably cooler mornings.
This month falls at the end of Autumn.
Daily highs in May gradually drop from around 20°C (68°F) at the start to 15°C (60°F) by month's end.
May sees fairly even rainfall, totalling about 31 mm across the month.
Expect around 7.4h of sunshine at the start of May, decreasing to 6.7h by the end.
The warmest days tend to fall around the 2th, averaging 20.1°C (68°F).
Compared to April, this month is about 4°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into June.
Daily averages based on historical data (2016–2025)
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 20°C | 33°C / 20°C | 10days (99 mm) Wet | 12h Excellent | 61% Muggy | 8.9 Very High | Good | View Details |
| February best | 29°C / 19°C | 32°C / 20°C | 8days (86 mm) Wet | 11.4h Excellent | 65% Muggy | 7.9 Very High | Excellent | View Details |
| March best | 27°C / 17°C | 28°C / 17°C | 8days (92 mm) Wet | 9.7h Good | 67% Muggy | 6.4 High | Excellent | View Details |
| April | 22°C / 14°C | 21°C / 12°C | 8days (82 mm) Wet | 8.1h Good | 71% Muggy | 4.4 Moderate | Good | View Details |
| May | 18°C / 10°C | 16°C / 7°C | 5days (31 mm) Good | 7.2h Good | 74% Muggy | 3.5 Moderate | Good | View Details |
| June | 15°C / 6°C | 13°C / 3°C | 2days (15 mm) Excellent | 7.5h Good | 73% Muggy | 3 Moderate | Good | View Details |
| July | 15°C / 6°C | 12°C / 2°C | 2days (13 mm) Excellent | 7.2h Good | 70% Muggy | 3.2 Moderate | Fair | View Details |
| August | 18°C / 7°C | 15°C / 4°C | 3days (22 mm) Excellent | 8.9h Good | 60% Moderate | 4 Moderate | Good | View Details |
| September | 21°C / 10°C | 19°C / 7°C | 4days (41 mm) Good | 9.6h Good | 57% Moderate | 5.7 High | Good | View Details |
| October best | 24°C / 13°C | 23°C / 10°C | 8days (68 mm) Wet | 10.3h Excellent | 56% Moderate | 6.9 High | Excellent | View Details |
| November best | 27°C / 16°C | 27°C / 15°C | 8days (76 mm) Wet | 11.7h Excellent | 55% Moderate | 7.8 Very High | Excellent | View Details |
| December best | 30°C / 19°C | 31°C / 18°C | 8days (78 mm) Wet | 12.3h Excellent | 54% Moderate | 8.5 Very High | Excellent | View Details |
Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.
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