Average annual temperature is 22.1 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 149 days
Number of rainy days: 216 days
Look at detailed online map of Hennessey
* Weather data for Hennessey 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) | 26.0 | 27.8 | 29.2 | 30.7 | 32.1 | 39.4 | 38.5 | 41.6 | 39.9 | 34.7 | 29.8 | 25.8 |
| Average daytime temperature (°C) | 19.4 | 20.9 | 24.3 | 25.1 | 28.7 | 35.1 | 36.0 | 38.5 | 34.6 | 27.4 | 21.1 | 19.3 |
| Average temperature (°C) | 14.5 | 15.1 | 19.2 | 19.9 | 23.9 | 29.0 | 30.3 | 32.1 | 28.9 | 22.2 | 16.2 | 13.9 |
| Average night temperature (°C) | 10.8 | 11.1 | 15.3 | 15.8 | 20.0 | 24.1 | 25.7 | 26.9 | 24.4 | 18.5 | 12.6 | 9.7 |
| Absolute minimum temperature (°C) | 1.3 | 1.8 | 4.8 | 10.9 | 14.1 | 19.8 | 23.9 | 24.6 | 21.3 | 8.1 | 4.2 | 1.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 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) | 6.3 | 7.4 | 7.6 | 7.9 | 8.6 | 11.5 | 12.2 | 12.1 | 10.7 | 8.3 | 6.5 | 7.6 |
| Precipitation (mm) | 226 | 45 | 164 | 174 | 201 | 85 | 38 | 3 | 66 | 168 | 132 | 63 |
| Sunny days | 13 | 12 | 7 | 5 | 6 | 14 | 13 | 23 | 9 | 15 | 13 | 19 |
| Rainy days | 18 | 16 | 24 | 25 | 25 | 16 | 18 | 8 | 21 | 16 | 17 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hennessey during the most sunny months:
The largest precipitation sum in Hennessey is at