Average temperature in May is 21.4 °C
Average daytime temperature is 27.5 °C
Average night temperature is 16.4 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: 9 °C
Number of sunny days: 10
Number of rainy days: 21
Number of snow days:
Precipitation sum: 50 mm
* Weather data for Allentown United States is based on climate observations for 2023 year
Maggio (°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 | 21.5 | 23.2 | 23.1 | 25 | 21.4 | 25.2 | 27.7 | 31 | 30.6 | 31.1 | 30.2 | 30.9 | 29.7 | 32.7 | 30.2 | 30.8 | 31.4 | 27.1 | 25.1 | 27.8 | 28.9 | 24.6 | 26.2 | 26.6 | 26.8 | 26.5 | 23.3 | 26.6 | 28.3 | 29.1 | 28.9 |
Apparent max temperature | 18.3 | 19.4 | 19.8 | 24.8 | 20.7 | 25.6 | 28.6 | 31.6 | 32.6 | 33.3 | 31.5 | 33.5 | 32.3 | 37.1 | 32.4 | 33.9 | 33.4 | 29.9 | 26.6 | 29.6 | 32.3 | 26.4 | 26.3 | 25.6 | 25.8 | 24.9 | 21.2 | 25.5 | 26.9 | 29.3 | 29.7 |
Mean temperature | 16.8 | 16.9 | 17.2 | 17.1 | 17.7 | 18.8 | 21 | 23.7 | 24.6 | 24.6 | 24 | 23.7 | 22.9 | 25.4 | 25.2 | 24.1 | 24.3 | 21.3 | 19.9 | 21.5 | 23.6 | 21.6 | 21.1 | 21.3 | 20.2 | 21.8 | 18 | 18.2 | 21.4 | 21.9 | 23.5 |
Apparent mean temperature | 8.9 | 6.7 | 6.3 | 5.9 | 11.1 | 15.1 | 15.7 | 19.8 | 21.7 | 19.9 | 20.4 | 21 | 21.4 | 21.2 | 22.1 | 21 | 22 | 21.1 | 15.8 | 17.2 | 21.3 | 21 | 15.4 | 17.3 | 11.2 | 15.4 | 10.9 | 11.4 | 13.8 | 14.9 | 20 |
Minimum temperature | 11.1 | 10.2 | 9.8 | 9 | 12.9 | 15.8 | 15.2 | 19 | 19.7 | 19.1 | 18.9 | 19.4 | 18.7 | 18.7 | 20 | 19 | 20 | 18.5 | 16.3 | 16.3 | 19.1 | 19.6 | 16.9 | 17.5 | 13.7 | 17.5 | 14.3 | 13.5 | 14.6 | 14.6 | 18.8 |
Apparent min temperature | 13.7 | 13 | 13.5 | 15 | 16.2 | 18.6 | 21.5 | 24.3 | 26.1 | 26 | 24.8 | 25.4 | 25.7 | 28.1 | 27.1 | 26.2 | 26.1 | 23.5 | 20 | 22.7 | 25.9 | 23 | 20.9 | 20.9 | 18.2 | 19.9 | 14.6 | 16.4 | 20.5 | 22 | 24.2 |
Maggio | 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) | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 |
Sunshine duration (h) | 12.6 | 12.7 | 12.7 | 12.7 | 2.9 | 6.1 | 11.7 | 11.7 | 11.8 | 11.9 | 11.6 | 11.3 | 10.1 | 12.9 | 13 | 10.9 | 11 | 8.9 | 4.1 | 10 | 12.7 | 1.7 | 8.6 | 12 | 13 | 12.7 | 10 | 8 | 12.1 | 12.8 | 13 |
Precipitation (mm) | 0 | 0 | 0 | 0 | 0.7 | 0.1 | 0.1 | 1.6 | 1.2 | 0 | 0 | 15.4 | 4 | 0.1 | 0.7 | 2.7 | 7.1 | 5.4 | 0.1 | 0.1 | 1.8 | 5.3 | 0.5 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0.2 | 1.3 |
Precipitation hours | 0 | 0 | 0 | 0 | 5 | 1 | 1 | 3 | 2 | 0 | 0 | 4 | 5 | 1 | 2 | 3 | 3 | 9 | 1 | 1 | 7 | 16 | 3 | 0 | 0 | 0 | 1 | 5 | 0 | 2 | 3 |
Wind speed (m/s) | 28.3 | 30.7 | 21.1 | 10.9 | 12.6 | 14.2 | 11.7 | 18.8 | 22.2 | 14.4 | 15.5 | 17.5 | 8.5 | 7.6 | 16.3 | 12.2 | 16.2 | 17.7 | 19.9 | 8.9 | 12 | 18.6 | 18 | 14.8 | 18.4 | 26.3 | 24.6 | 26.2 | 18.5 | 15.4 | 17.5 |
In May 2023, the highest daytime temperature in Allentown was 32.7°C.
While the minimum temperature at night dropped to 9°C.
The average nighttime and daytime temperatures during May in Allentown are 16.4°C and 27.5°C respectively.
The precipitation sum in May is about 50 mm.