Average temperature in May is 14.4 °C
Average daytime temperature is 22.1 °C
Average night temperature is 7.7 °C
Absolute maximum temperature: 26.6 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 8
Number of rainy days: 23
Number of snow days:
Precipitation sum: 157 mm
* Weather data for Longmont 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 | 22.3 | 20.9 | 26.6 | 25.1 | 23.7 | 21.7 | 20.5 | 23 | 24 | 22.7 | 14.5 | 16.7 | 17.1 | 16.9 | 16.8 | 23.3 | 22.8 | 22.8 | 16.6 | 19.8 | 24.1 | 24.1 | 24.3 | 23.2 | 22.6 | 22 | 25.5 | 25.1 | 25.5 | 25.8 | 25.4 |
| Apparent max temperature | 21.1 | 19 | 25.1 | 20.7 | 20.6 | 19.6 | 18.3 | 21.9 | 22.6 | 20.5 | 12.2 | 13.4 | 13.9 | 15.7 | 16.1 | 24.5 | 23.8 | 21.1 | 15.1 | 20.7 | 23.2 | 24 | 24.7 | 21.7 | 24.7 | 22.5 | 27.2 | 23.4 | 25.4 | 24.5 | 25.5 |
| Mean temperature | 12.7 | 13.7 | 15.3 | 15.6 | 14.7 | 14 | 14 | 13.7 | 14.8 | 13.5 | 10.6 | 11.1 | 12.3 | 11.8 | 11.5 | 13.8 | 14.8 | 14.3 | 11.8 | 13.2 | 15.5 | 16.4 | 16.8 | 15.6 | 15.9 | 15.2 | 15.7 | 15.6 | 16.4 | 18.2 | 17.5 |
| Apparent mean temperature | 1.2 | 2.7 | 3 | 4 | 2.4 | -1 | 3.5 | 3.1 | 4.3 | 7.2 | 7.2 | 7 | 4.3 | 7.5 | 7.7 | 3.3 | 4.2 | 7 | 7.9 | 7 | 4.6 | 4.8 | 6 | 7.5 | 7.4 | 8.7 | 7.6 | 5.5 | 6.3 | 8.4 | 6.6 |
| Minimum temperature | 4.5 | 7 | 5.8 | 7 | 6.2 | 3.4 | 7 | 5.5 | 7.5 | 9.4 | 8.2 | 8.7 | 6.3 | 9 | 9.2 | 5.3 | 6.8 | 8.5 | 9.2 | 8.7 | 7 | 6.9 | 8 | 9.2 | 9.3 | 10.2 | 9.3 | 7.2 | 7.8 | 10.4 | 9.1 |
| Apparent min temperature | 10.5 | 10.6 | 12.7 | 12.1 | 11.9 | 10.4 | 10.6 | 11.4 | 12.9 | 11.9 | 9.5 | 9.1 | 9.8 | 10.2 | 10.3 | 12.8 | 13.6 | 13.3 | 10.5 | 12.3 | 13.8 | 14.9 | 15.3 | 14.4 | 15.6 | 14.9 | 15.2 | 14.1 | 15.2 | 16.9 | 15.8 |
| 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) | 13.9 | 13.9 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 | 14.8 |
| Sunshine duration (h) | 12.7 | 12.6 | 10.1 | 4.9 | 13.1 | 13.1 | 11.6 | 12.9 | 12.1 | 4.7 | 1 | 1.2 | 6.4 | 5.1 | 3.6 | 13.2 | 13.5 | 10.8 | 4.5 | 10 | 11.9 | 13.6 | 13.7 | 10.3 | 9.8 | 11.5 | 12.1 | 13.1 | 13.4 | 13.7 | 13.8 |
| Precipitation (mm) | 0 | 0 | 0.8 | 0.5 | 0.5 | 0.2 | 0.1 | 0 | 1.7 | 35.8 | 39.4 | 33.6 | 0 | 4.5 | 8.8 | 1.8 | 0.7 | 7.1 | 7.6 | 0.1 | 0 | 0 | 0 | 3.1 | 3 | 4 | 1 | 1.2 | 0 | 0.6 | 0.7 |
| Precipitation hours | 0 | 0 | 3 | 3 | 2 | 1 | 1 | 0 | 2 | 9 | 21 | 21 | 0 | 15 | 17 | 2 | 3 | 7 | 12 | 1 | 0 | 0 | 0 | 3 | 4 | 3 | 1 | 3 | 0 | 2 | 1 |
| Wind speed (m/s) | 11 | 14.6 | 22.5 | 22 | 18.4 | 17.7 | 18.9 | 12.7 | 17.1 | 21.9 | 18.6 | 22.1 | 18 | 13.9 | 13.2 | 12.6 | 13.7 | 14 | 21 | 10.5 | 14.8 | 11.8 | 13.7 | 11.5 | 11.6 | 11.6 | 22.3 | 16 | 15.9 | 14.1 | 13.1 |
In May 2023, the highest daytime temperature in Longmont was 26.6°C.
While the minimum temperature at night dropped to 3.4°C.
The average nighttime and daytime temperatures during May in Longmont are 7.7°C and 22.1°C respectively.
The precipitation sum in May is about 157 mm.