Average temperature in October is 9.3 °C
Average daytime temperature is 15.9 °C
Average night temperature is 4 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 19
Number of rainy days: 10
Number of snow days: 2
Precipitation sum: 46 mm
* Weather data for Hyannis United States is based on climate observations for 2023 year
| October (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 28.1 | 27.8 | 25.5 | 19.2 | 16.8 | 13.5 | 19.2 | 21 | 20.1 | 23.2 | 21.5 | 18.5 | 6 | 7.4 | 11.2 | 18.5 | 24.2 | 17.7 | 22 | 24.2 | 17.3 | 16 | 21.3 | 15.9 | 14.6 | 12 | 2.5 | -1.6 | 0.2 | 6.9 | 3.6 |
| Apparent max temperature | 23.4 | 24.3 | 20.6 | 15 | 13.8 | 9.3 | 15.3 | 17.7 | 17.1 | 20.4 | 18.8 | 14.9 | -1.3 | 3.8 | 8.4 | 16.6 | 19.9 | 15.7 | 16.4 | 21.1 | 15.6 | 11.9 | 19 | 14.5 | 11.3 | 9.6 | -1.6 | -6.2 | -6.9 | -0.8 | -1.6 |
| Mean temperature | 23.8 | 22.5 | 18.7 | 12.7 | 12.7 | 8.4 | 8.1 | 12.6 | 12.6 | 14.2 | 14.8 | 11.1 | 3.3 | 4 | 4.2 | 8.1 | 13.9 | 13.2 | 13.5 | 15.4 | 13.1 | 10.4 | 12.6 | 9.9 | 9.3 | 4.4 | -3 | -4.7 | -4.1 | -3.2 | -3.1 |
| Apparent mean temperature | 15.6 | 14.9 | 9.2 | 3.5 | 5 | -3.2 | -3 | 1.2 | 1.1 | 2.9 | 4.3 | 2.1 | -6.7 | -3.8 | -4.1 | -1.5 | 4.6 | 2.7 | 3.7 | 5 | 4 | 1.6 | 3.7 | 2.5 | 4.2 | -5.4 | -12.9 | -11.9 | -13 | -14.1 | -14.4 |
| Minimum temperature | 19.9 | 17 | 11.8 | 6.9 | 8.3 | 3.4 | 1.9 | 4.2 | 4.2 | 5.8 | 6.7 | 6.9 | 1.5 | 0.8 | -1 | 1.8 | 8.3 | 8.4 | 7.3 | 9.1 | 6.4 | 6.2 | 6.5 | 5.9 | 7.1 | -0.1 | -7.8 | -6.8 | -6.3 | -9 | -9.9 |
| Apparent min temperature | 19.1 | 18.8 | 14.7 | 8.7 | 8.6 | 2.8 | 4 | 9.5 | 9.5 | 11.1 | 12 | 7.8 | -4.6 | -0.7 | 1.4 | 5.4 | 10.7 | 7.9 | 9 | 12 | 10.4 | 6 | 9.6 | 7.4 | 6.6 | 0.5 | -8.2 | -9.6 | -9.8 | -8.8 | -8.5 |
| October | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 11.8 | 11.7 | 11.7 | 11.6 | 11.6 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11 | 11 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 |
| Sunshine duration (h) | 9.8 | 10.8 | 8.4 | 10.7 | 10.5 | 9.7 | 10.6 | 10.5 | 10.5 | 10.4 | 10.4 | 0.7 | 2.4 | 2.9 | 8.3 | 10.2 | 10.1 | 10.1 | 10 | 10 | 9.9 | 9.3 | 9.8 | 1.8 | 3 | 0.2 | 9.2 | 3 | 7.3 | 9.2 | 9.3 |
| Precipitation (mm) | 0 | 0.3 | 4.3 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 20.4 | 14 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 0 | 0 | 0.1 | 1 | 0.4 | 2.9 | 0.3 | 0 | 0 |
| Precipitation hours | 0 | 1 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 19 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 8 | 1 | 6 | 3 | 0 | 0 |
| Wind speed (m/s) | 38.7 | 39.5 | 42.9 | 26 | 29.3 | 32.6 | 15.5 | 15.8 | 12.3 | 16.6 | 21 | 31 | 48.3 | 28.1 | 9.1 | 12.7 | 22.5 | 38 | 27.2 | 16.5 | 18.4 | 25 | 16.6 | 19 | 22.6 | 22.3 | 26.6 | 13.5 | 28.9 | 29.3 | 28.7 |
In October 2023, the highest daytime temperature in Hyannis was 28.1°C.
While the minimum temperature at night dropped to -9.9°C.
The average nighttime and daytime temperatures during October in Hyannis are 4°C and 15.9°C respectively.
The precipitation sum in October is about 46 mm.