Average temperature in April is 7.3 °C
Average daytime temperature is 15.3 °C
Average night temperature is 1.1 °C
Absolute maximum temperature: 29 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 13
Number of rainy days: 14
Number of snow days: 3
Precipitation sum: 20 mm
* Weather data for Hyannis United States is based on climate observations for 2023 year
| Aprile (°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 14.3 | 13.7 | 11.2 | 2.1 | -0.2 | 7.5 | 15.3 | 20.3 | 18.5 | 21.5 | 27.9 | 29 | 28.2 | 25.9 | 7.3 | 11.5 | 22 | 21 | 20.7 | 9.5 | 6.4 | 4.8 | 10.4 | 17.3 | 14.7 | 14.5 | 18.2 | 13.9 | 16.7 | 14.6 |
| Apparent max temperature | 8.7 | 8.6 | 6 | -5.2 | -6.4 | 2.1 | 11.2 | 18.5 | 14.8 | 18.1 | 22.5 | 26.4 | 23.3 | 20.6 | -0.3 | 7.8 | 19.4 | 17.4 | 15.9 | 2.2 | -1.2 | 0.6 | 6.6 | 13.7 | 9.4 | 9.8 | 15.6 | 8.1 | 10 | 8.4 |
| Mean temperature | 1.3 | 8.7 | 4.9 | -3.7 | -5.4 | -0.5 | 4.3 | 10.7 | 11.1 | 10.6 | 17 | 20.3 | 21 | 9.3 | 2.6 | 3.8 | 9.9 | 13.1 | 10.8 | 4.9 | 2.1 | -0.3 | 2.4 | 7.4 | 8.5 | 8.6 | 10.9 | 7.2 | 9.8 | 7.9 |
| Apparent mean temperature | -15.2 | -1.5 | -6.3 | -14.4 | -15.8 | -10.1 | -7.8 | -1.6 | -1.5 | -2.3 | 3.8 | 4.2 | 7.2 | -2.1 | -5.3 | -7.1 | -2.6 | 0.6 | -0.6 | -5.6 | -11.1 | -11.1 | -8.7 | -5.2 | -1.2 | -1.2 | 1.9 | -3 | -0.6 | -3.8 |
| Minimum temperature | -5.5 | 3.8 | -0.1 | -6.5 | -8.4 | -5.5 | -3.3 | 3.6 | 3.1 | 1.1 | 9.5 | 7.6 | 10.3 | 4.1 | 0.1 | -1.8 | 3 | 5.3 | 5.7 | -0.1 | -3.3 | -5 | -4.8 | -1 | 2.3 | 2.2 | 6.5 | 3.3 | 4.6 | 1.2 |
| Apparent min temperature | -4.8 | 3.6 | -0.7 | -11.1 | -12.8 | -6 | -0.1 | 6.5 | 6.9 | 7.1 | 11.8 | 16.1 | 16.7 | 4.5 | -3.4 | -1.3 | 5.6 | 8.6 | 5.7 | -1.5 | -5.8 | -6.2 | -1.6 | 3.3 | 3.8 | 4.9 | 6.8 | 0.6 | 4.2 | 2.9 |
| Aprile | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.9 | 13.9 | 14 | 14 |
| Sunshine duration (h) | 9.2 | 11.7 | 7.3 | 0 | 10 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12.1 | 12.1 | 12.2 | 0 | 6.2 | 12.5 | 12.5 | 12.1 | 10.5 | 11.3 | 11.4 | 10.6 | 8.6 | 10.6 | 7.7 | 8.5 | 9.3 | 11.1 | 12.2 | 12.8 |
| Precipitation (mm) | 0.4 | 0.1 | 1.7 | 3.1 | 0.4 | 0 | 0 | 0.1 | 0.6 | 0 | 0 | 0 | 0.1 | 1 | 4.6 | 0 | 0 | 0 | 0.1 | 2.3 | 0 | 0 | 0 | 0.6 | 0.1 | 0.1 | 3.7 | 0.7 | 0 | 0 |
| Precipitation hours | 2 | 1 | 4 | 13 | 3 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 8 | 11 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 0 | 2 | 1 | 1 | 6 | 5 | 0 | 0 |
| Wind speed (m/s) | 53.5 | 28.6 | 26.5 | 35.6 | 35.2 | 27.6 | 19.5 | 21 | 18.5 | 14.8 | 27.5 | 29.3 | 29.8 | 28.6 | 34.6 | 30.8 | 17.6 | 27.5 | 28.8 | 39.8 | 40 | 24.9 | 16.9 | 19.6 | 27.3 | 23.3 | 24 | 39.1 | 42.4 | 28.5 |
In April 2023, the highest daytime temperature in Hyannis was 29°C.
While the minimum temperature at night dropped to -8.4°C.
The average nighttime and daytime temperatures during April in Hyannis are 1.1°C and 15.3°C respectively.
The precipitation sum in April is about 20 mm.