Average annual temperature is 22.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 3.1 °C
Number of sunny days: 141 days
Number of rainy days: 224 days
Look at detailed online map of City of Sweeny
* Weather data for City of Sweeny 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) | 25.0 | 28.4 | 29.1 | 30.0 | 32.2 | 36.9 | 38.2 | 40.1 | 38.6 | 33.1 | 30.1 | 26.4 |
| Average daytime temperature (°C) | 19.9 | 20.8 | 24.3 | 25.4 | 28.7 | 33.8 | 34.9 | 37.0 | 34.0 | 27.4 | 21.4 | 20.0 |
| Average temperature (°C) | 15.6 | 15.7 | 19.7 | 20.5 | 24.0 | 28.4 | 29.4 | 30.8 | 28.3 | 22.7 | 17.0 | 15.0 |
| Average night temperature (°C) | 11.9 | 12.1 | 16.3 | 16.9 | 20.5 | 24.5 | 25.6 | 26.4 | 24.3 | 19.3 | 13.8 | 11.4 |
| Absolute minimum temperature (°C) | 3.3 | 3.1 | 6.9 | 11.1 | 16.1 | 19.8 | 23.4 | 23.9 | 21.5 | 8.1 | 6.3 | 3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.7 | 7.9 | 8.1 | 8.8 | 8.9 | 12.2 | 12.3 | 12.1 | 10.8 | 8.7 | 6.6 | 7.8 |
| Precipitation (mm) | 172 | 32 | 86 | 185 | 241 | 55 | 44 | 15 | 53 | 147 | 96 | 66 |
| Sunny days | 14 | 12 | 8 | 6 | 6 | 17 | 8 | 13 | 6 | 15 | 16 | 20 |
| Rainy days | 17 | 16 | 23 | 24 | 25 | 13 | 23 | 18 | 24 | 16 | 14 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Sweeny during the most sunny months:
The largest precipitation sum in City of Sweeny is at