Average annual temperature is 16.8 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Oleander
* Weather data for Oleander United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.3 | 24.9 | 25.0 | 28.1 | 30.7 | 34.1 | 35.0 | 35.5 | 32.2 | 28.7 | 25.4 | 20.4 |
| Average daytime temperature (°C) | 13.5 | 16.8 | 17.6 | 20.8 | 25.4 | 29.3 | 31.8 | 31.4 | 28.4 | 22.7 | 17.2 | 13.2 |
| Average temperature (°C) | 8.9 | 11.0 | 12.1 | 15.2 | 19.6 | 23.5 | 25.8 | 25.6 | 22.7 | 17.4 | 11.6 | 8.1 |
| Average night temperature (°C) | 5.6 | 7.1 | 7.6 | 10.6 | 15.1 | 18.9 | 21.5 | 21.4 | 18.2 | 12.9 | 7.5 | 4.3 |
| Absolute minimum temperature (°C) | -3.0 | -4.0 | -3.9 | 5.5 | 7.3 | 15.7 | 19.1 | 17.1 | 14.5 | 4.8 | -2.1 | -3.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 6.7 | 8.5 | 9.2 | 10.8 | 11.8 | 11.3 | 10.2 | 10.8 | 8.3 | 6.9 | 7.1 |
| Precipitation (mm) | 183 | 130 | 143 | 145 | 98 | 86 | 134 | 168 | 23 | 15 | 69 | 69 |
| Sunny days | 12 | 11 | 19 | 15 | 7 | 14 | 7 | 10 | 19 | 24 | 19 | 21 |
| Rainy days | 19 | 17 | 12 | 15 | 24 | 16 | 24 | 21 | 11 | 7 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oleander during the most sunny months:
The largest precipitation sum in Oleander is at