Average annual temperature is 19.6 °C
Absolute maximum temperature: 44.0 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 223 days
Number of rainy days: 140 days
Number of snow days: 2 days
Look at detailed online map of Óneiro
* Weather data for Óneiro Greece is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.0 | 20.7 | 23.3 | 25.3 | 27.3 | 35.9 | 44.0 | 38.3 | 35.6 | 28.8 | 29.2 | 23.4 |
| Average daytime temperature (°C) | 15.6 | 13.7 | 17.8 | 19.9 | 23.7 | 30.7 | 37.9 | 34.4 | 29.2 | 26.4 | 21.6 | 17.0 |
| Average temperature (°C) | 11.7 | 9.7 | 13.5 | 15.6 | 19.2 | 25.6 | 32.1 | 29.6 | 24.6 | 21.9 | 17.6 | 13.4 |
| Average night temperature (°C) | 8.8 | 6.6 | 10.0 | 12.0 | 15.7 | 21.3 | 27.1 | 25.7 | 21.3 | 18.7 | 14.4 | 10.5 |
| Absolute minimum temperature (°C) | 5.5 | 1.2 | 7.5 | 9.3 | 12.4 | 17.9 | 23.1 | 23.2 | 18.6 | 16.8 | 6.5 | 7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 8.7 | 9.7 | 10.8 | 11.0 | 12.6 | 13.1 | 12.7 | 10.2 | 9.8 | 8.4 | 7.5 |
| Precipitation (mm) | 68 | 14 | 35 | 31 | 54 | 26 | 1 | 3 | 103 | 1 | 21 | 72 |
| Sunny days | 15 | 20 | 15 | 12 | 9 | 17 | 28 | 25 | 18 | 25 | 19 | 20 |
| Rainy days | 16 | 6 | 16 | 18 | 22 | 13 | 3 | 6 | 12 | 6 | 11 | 11 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Óneiro during the most sunny months:
The largest precipitation sum in Óneiro is at