Average annual temperature is 24.2 °C
Absolute maximum temperature: 44.4 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 207 days
Number of rainy days: 158 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) | 42.9 | 39.1 | 35.1 | 34.1 | 29.5 | 30.0 | 32.1 | 36.1 | 40.6 | 44.4 | 43.1 | 41.7 |
| Average daytime temperature (°C) | 36.1 | 32.7 | 32.4 | 26.6 | 24.0 | 23.2 | 23.5 | 28.7 | 29.8 | 32.9 | 33.9 | 34.2 |
| Average temperature (°C) | 29.8 | 27.1 | 27.1 | 21.8 | 19.5 | 18.6 | 18.5 | 22.1 | 22.9 | 26.4 | 27.8 | 28.6 |
| Average night temperature (°C) | 24.0 | 22.2 | 22.7 | 17.8 | 16.0 | 15.3 | 14.7 | 16.8 | 17.6 | 20.7 | 22.7 | 24.0 |
| Absolute minimum temperature (°C) | 16.7 | 13.4 | 19.7 | 12.6 | 11.3 | 3.8 | 4.3 | 9.0 | 9.0 | 12.2 | 11.6 | 18.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 13.0 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.2 | 11.1 | 10.3 | 8.3 | 6.5 | 7.3 | 7.5 | 9.4 | 9.3 | 9.3 | 9.7 | 9.9 |
| Precipitation (mm) | 147 | 61 | 130 | 97 | 86 | 24 | 24 | 2 | 27 | 36 | 138 | 118 |
| Sunny days | 19 | 14 | 16 | 18 | 15 | 17 | 22 | 29 | 19 | 17 | 11 | 10 |
| Rainy days | 12 | 14 | 15 | 12 | 16 | 13 | 9 | 2 | 11 | 14 | 19 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Primero de Mayo is at