Average annual temperature is 19.3 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Grays
* Weather data for Grays 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) | 24.6 | 28.1 | 29.0 | 30.9 | 32.4 | 34.3 | 37.1 | 37.3 | 33.3 | 29.7 | 26.7 | 23.9 |
| Average daytime temperature (°C) | 18.0 | 21.3 | 22.3 | 25.5 | 26.6 | 30.2 | 34.2 | 34.0 | 29.9 | 25.1 | 19.5 | 16.6 |
| Average temperature (°C) | 12.0 | 15.3 | 16.1 | 19.0 | 20.8 | 24.4 | 28.0 | 27.6 | 23.7 | 19.0 | 13.8 | 11.4 |
| Average night temperature (°C) | 7.5 | 11.0 | 11.1 | 14.0 | 16.2 | 20.1 | 23.4 | 23.0 | 19.1 | 14.5 | 9.7 | 7.7 |
| Absolute minimum temperature (°C) | -1.2 | 0.9 | 0.9 | 6.7 | 9.9 | 15.1 | 20.5 | 20.1 | 15.7 | 8.7 | 0.0 | -0.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 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) | 6.8 | 7.7 | 8.9 | 9.9 | 9.5 | 10.7 | 11.3 | 11.3 | 10.3 | 8.9 | 6.7 | 6.6 |
| Precipitation (mm) | 115 | 105 | 63 | 106 | 112 | 139 | 122 | 199 | 56 | 62 | 49 | 135 |
| Sunny days | 18 | 15 | 15 | 13 | 8 | 6 | 2 | 6 | 17 | 21 | 20 | 23 |
| Rainy days | 13 | 13 | 16 | 17 | 23 | 24 | 29 | 25 | 13 | 10 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grays is at