Average temperature in April is 15.9 °C
Average daytime temperature is 21.8 °C
Average night temperature is 10.8 °C
Absolute maximum temperature: 28.6 °C
Absolute minimum temperature: 5.2 °C
Number of sunny days: 15
Number of rainy days: 15
Number of snow days:
Precipitation sum: 141 mm
* Weather data for Altoona United States is based on climate observations for 2023 year
| April (°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 | 24.6 | 21 | 22.2 | 27.1 | 28.6 | 27.7 | 19.7 | 13.7 | 17.8 | 18.6 | 20.6 | 23.2 | 21.2 | 18.1 | 25.4 | 20.9 | 19.2 | 24.7 | 26.5 | 27.6 | 25.4 | 20.7 | 17.2 | 17.7 | 20.8 | 20.7 | 19.2 | 23.4 | 22.9 | 18.9 |
| Apparent max temperature | 21.6 | 20.8 | 23.2 | 28.9 | 29.3 | 29.7 | 20.2 | 12.8 | 16.4 | 16.9 | 19.5 | 22.8 | 20 | 17.6 | 25.5 | 21.8 | 15.9 | 24.4 | 25.8 | 26.4 | 24.4 | 18.5 | 16.8 | 16.1 | 20.8 | 22.4 | 20 | 22.9 | 25.8 | 20.3 |
| Mean temperature | 20.4 | 14 | 15.5 | 18.9 | 22.8 | 21 | 15.2 | 9.9 | 10.6 | 12.3 | 13.2 | 16.3 | 15.8 | 15.1 | 17.5 | 18.1 | 13.1 | 15.8 | 18.6 | 19.4 | 19.3 | 15.9 | 12.7 | 12.1 | 12.8 | 14.9 | 13.8 | 18.1 | 17.1 | 16 |
| Apparent mean temperature | 16.2 | 3.4 | 9.9 | 14.5 | 18.9 | 16.4 | 10.8 | 5.2 | 1.8 | 3.2 | 2.4 | 5.1 | 8.8 | 12.6 | 10.6 | 12.5 | 4.2 | 6 | 8.9 | 8.4 | 11.2 | 7.8 | 3.7 | 4.4 | 2.1 | 9.3 | 9.3 | 15.3 | 10.5 | 9.4 |
| Minimum temperature | 16.9 | 6.6 | 11.8 | 14.7 | 17.8 | 15.6 | 12.3 | 8.5 | 5.2 | 6.8 | 6.1 | 8 | 11.4 | 12.9 | 11.3 | 15.8 | 8.2 | 9.5 | 10.9 | 10.4 | 13.2 | 9.9 | 7.4 | 7.8 | 5.9 | 11.3 | 11.1 | 15.1 | 11 | 12 |
| Apparent min temperature | 18.8 | 11.9 | 14.2 | 19.8 | 23.8 | 22.4 | 14.2 | 7.3 | 7.9 | 9.6 | 10.6 | 14.5 | 13.9 | 14.8 | 17.7 | 17.4 | 9.7 | 13.6 | 17.2 | 17.7 | 17.8 | 14.4 | 10.1 | 9.2 | 10.2 | 13.5 | 13.1 | 18 | 17.1 | 14.2 |
| April | 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) | 12.5 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 |
| Sunshine duration (h) | 11 | 11.7 | 7.1 | 9.4 | 10.7 | 9.6 | 1.2 | 1.1 | 11 | 11.8 | 11.9 | 11.9 | 7.7 | 4.9 | 10.1 | 10.2 | 12.3 | 12.2 | 12.3 | 12.4 | 9.4 | 11.5 | 11.4 | 11.5 | 12.1 | 9.8 | 0.6 | 11 | 9.9 | 11.4 |
| Precipitation (mm) | 10.1 | 0 | 8.4 | 2.3 | 0 | 0.5 | 9.8 | 42.5 | 0 | 0 | 0 | 0 | 10 | 10.4 | 0 | 1.1 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 1.6 | 26.6 | 7.6 | 0.3 | 3.9 |
| Precipitation hours | 5 | 0 | 11 | 9 | 0 | 3 | 6 | 22 | 0 | 0 | 0 | 0 | 9 | 20 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 4 | 19 | 4 | 1 | 6 |
| Wind speed (m/s) | 27.1 | 16.1 | 17.1 | 14.6 | 18.4 | 16.8 | 14.8 | 20.4 | 18 | 15.4 | 13 | 9.9 | 29.9 | 14.5 | 12.8 | 20.3 | 19 | 12.1 | 12.3 | 16.2 | 17.3 | 20.3 | 13.6 | 13.9 | 12 | 14.4 | 15.9 | 18.1 | 11.2 | 26.7 |
In April 2023, the highest daytime temperature in Altoona was 28.6°C.
While the minimum temperature at night dropped to 5.2°C.
The average nighttime and daytime temperatures during April in Altoona are 10.8°C and 21.8°C respectively.
The precipitation sum in April is about 141 mm.