Average annual temperature is 19.3 °C
Absolute maximum temperature: 46.0 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 300 days
Number of rainy days: 65 days
Look at detailed online map of Primero de Mayo
* Weather data for Primero de Mayo Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.5 | 38.8 | 36.4 | 31.0 | 25.1 | 21.9 | 22.0 | 31.3 | 32.3 | 36.5 | 38.3 | 46.0 |
| Average daytime temperature (°C) | 33.9 | 33.0 | 30.5 | 25.2 | 20.2 | 15.6 | 15.6 | 20.3 | 22.4 | 27.7 | 31.7 | 33.9 |
| Average temperature (°C) | 27.8 | 26.4 | 25.0 | 19.1 | 14.0 | 9.5 | 9.0 | 12.8 | 15.6 | 20.4 | 24.5 | 27.3 |
| Average night temperature (°C) | 21.7 | 20.2 | 20.1 | 13.8 | 8.7 | 4.7 | 3.9 | 6.9 | 9.7 | 13.5 | 17.3 | 20.9 |
| Absolute minimum temperature (°C) | 18.1 | 10.7 | 10.9 | 6.8 | 3.0 | -1.6 | -0.3 | 4.2 | 5.4 | 7.3 | 6.2 | 13.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.8 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.4 | 11.7 | 9.7 | 9.5 | 8.6 | 7.7 | 8.4 | 9.4 | 10.3 | 11.3 | 12.4 | 12.6 |
| Precipitation (mm) | 25 | 2 | 35 | 7 | 2 | 3 | 0 | 0 | 0 | 4 | 2 | 12 |
| Sunny days | 20 | 23 | 14 | 24 | 29 | 27 | 31 | 31 | 27 | 26 | 26 | 22 |
| Rainy days | 11 | 5 | 17 | 6 | 2 | 3 | 0 | 0 | 3 | 5 | 4 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Primero de Mayo is at