Average annual temperature is 19.7 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of City of Plano
* Weather data for City of Plano 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) | 25.3 | 27.4 | 27.1 | 31.1 | 33.2 | 37.9 | 40.0 | 42.6 | 40.9 | 33.0 | 28.0 | 24.4 |
| Average daytime temperature (°C) | 15.4 | 16.2 | 20.3 | 22.5 | 27.7 | 32.5 | 35.8 | 39.2 | 33.7 | 25.6 | 18.6 | 15.6 |
| Average temperature (°C) | 10.1 | 9.9 | 14.6 | 17.0 | 22.4 | 26.9 | 30.1 | 33.4 | 28.0 | 20.1 | 13.5 | 10.2 |
| Average night temperature (°C) | 5.9 | 5.5 | 10.3 | 12.3 | 18.1 | 22.1 | 25.1 | 27.5 | 22.8 | 15.8 | 9.1 | 5.9 |
| Absolute minimum temperature (°C) | -4.1 | -4.5 | -1.0 | 7.0 | 11.8 | 17.2 | 21.1 | 21.6 | 19.1 | 0.1 | -1.5 | -1.0 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 6.9 | 6.5 | 7.9 | 8.4 | 9.0 | 11.1 | 11.7 | 12.2 | 10.1 | 8.3 | 7.7 | 7.4 |
| Precipitation (mm) | 76 | 128 | 221 | 139 | 173 | 141 | 105 | 15 | 72 | 264 | 58 | 87 |
| Sunny days | 21 | 13 | 11 | 12 | 12 | 6 | 18 | 25 | 14 | 18 | 22 | 23 |
| Rainy days | 10 | 15 | 20 | 18 | 19 | 24 | 13 | 6 | 16 | 13 | 8 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Plano during the most sunny months:
The largest precipitation sum in City of Plano is at