Average annual temperature is 16.1 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 5.2 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Sleaford
* Weather data for Sleaford Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.5 | 40.0 | 27.6 | 27.9 | 22.1 | 22.8 | 18.9 | 24.6 | 33.0 | 31.9 | 38.0 | 29.1 |
| Average daytime temperature (°C) | 23.6 | 25.0 | 21.8 | 20.8 | 17.2 | 16.4 | 15.9 | 16.9 | 20.8 | 19.3 | 20.5 | 21.4 |
| Average temperature (°C) | 19.4 | 20.6 | 18.2 | 17.0 | 14.5 | 13.6 | 12.6 | 13.1 | 15.6 | 15.1 | 16.1 | 17.3 |
| Average night temperature (°C) | 16.5 | 17.5 | 15.5 | 14.4 | 12.4 | 11.4 | 10.1 | 10.2 | 11.7 | 11.8 | 13.1 | 14.4 |
| Absolute minimum temperature (°C) | 13.6 | 13.9 | 12.7 | 11.1 | 9.3 | 8.2 | 5.2 | 5.9 | 6.2 | 7.8 | 10.1 | 10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.4 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.8 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.3 | 11.3 | 10.2 | 7.7 | 6.9 | 6.7 | 7.7 | 7.5 | 10.3 | 10.4 | 11.2 | 11.0 |
| Precipitation (mm) | 19 | 9 | 19 | 64 | 38 | 74 | 53 | 38 | 24 | 18 | 45 | 79 |
| Sunny days | 19 | 16 | 13 | 11 | 7 | 6 | 8 | 10 | 18 | 17 | 14 | 7 |
| Rainy days | 12 | 12 | 18 | 19 | 24 | 24 | 23 | 21 | 12 | 14 | 16 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sleaford is at