Average temperature in May is 9.3 °C
Average daytime temperature is 14.4 °C
Average night temperature is 3.5 °C
Absolute maximum temperature: 21.2 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 21
Number of rainy days: 8
Number of snow days: 2
Precipitation sum: 26 mm
* Weather data for Robertsfors Sweden 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 | 8.7 | 7.9 | 4.3 | 5 | 7 | 9.5 | 11.7 | 16.5 | 14 | 14.9 | 17.5 | 17.4 | 18.8 | 21.2 | 18.9 | 18.4 | 10.9 | 13.8 | 17.8 | 20.5 | 19.4 | 18.3 | 17.6 | 17.1 | 14.4 | 12.3 | 12.4 | 15.2 | 13.4 | 15.7 | 14.7 |
| Apparent max temperature | 5.7 | 3.7 | 0.1 | 0.3 | 4 | 5.6 | 8.3 | 14.4 | 10.5 | 11.7 | 15.1 | 16.3 | 16.5 | 18 | 15.9 | 17.1 | 8.7 | 10.4 | 15.6 | 18.9 | 16.6 | 17.4 | 15.6 | 13.8 | 9.3 | 7.7 | 8.2 | 13.7 | 9.1 | 12.4 | 9.3 |
| Mean temperature | 3 | 2.9 | 0.7 | 0.4 | 2.1 | 4 | 5.9 | 9.3 | 8.8 | 10.5 | 12.4 | 11.6 | 13 | 13.9 | 12.7 | 12 | 8.4 | 8.4 | 11.7 | 13.5 | 13.1 | 14.2 | 13.4 | 12.3 | 10.6 | 9 | 8.5 | 10.8 | 9 | 11.3 | 11.4 |
| Apparent mean temperature | -5.4 | -6.2 | -8.9 | -8.7 | -7.7 | -6.2 | -6 | -2.2 | -1.6 | 2.8 | 1.8 | 2.8 | 2.9 | 2.9 | 1.5 | 3 | 2 | -0.3 | 0 | 1.1 | 5 | 6.3 | 2.9 | 7.9 | 2.6 | 0.7 | -0.9 | 2.4 | 1.1 | 1.1 | 0.5 |
| Minimum temperature | -1.9 | -2.6 | -3.9 | -3.6 | -3.1 | -1.8 | -2 | 2.3 | 2.1 | 6.5 | 5.4 | 5 | 5.5 | 5.6 | 4.8 | 5.6 | 5.7 | 4.7 | 3.4 | 4.4 | 7 | 7.7 | 5.4 | 9.3 | 6.3 | 5 | 3.4 | 7.1 | 5.2 | 4.5 | 5.6 |
| Apparent min temperature | -0.6 | -0.9 | -4 | -4.2 | -2.2 | -0.2 | 2.3 | 5.8 | 5.5 | 7.1 | 9.3 | 9.2 | 10.8 | 11.3 | 10 | 10.2 | 6.1 | 4.3 | 8.8 | 11.3 | 10.6 | 12.7 | 11.2 | 10.4 | 6.3 | 4.4 | 4.3 | 7.7 | 4.8 | 7.6 | 6.1 |
| 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) | 16.8 | 17 | 17.1 | 17.2 | 17.3 | 17.4 | 17.5 | 17.6 | 17.7 | 17.8 | 18 | 18.1 | 18.2 | 18.3 | 18.4 | 18.5 | 18.6 | 18.7 | 18.8 | 18.9 | 19 | 19.1 | 19.2 | 19.4 | 19.5 | 19.6 | 19.7 | 19.8 | 19.9 | 20 | 20 |
| Sunshine duration (h) | 14.9 | 15 | 14.6 | 14.1 | 15.1 | 15.2 | 13.4 | 15.1 | 13.2 | 14.8 | 15.8 | 15.6 | 15.8 | 16.2 | 15.6 | 9.9 | 0.6 | 7.8 | 16.6 | 16.7 | 16.8 | 15.1 | 16.9 | 8.9 | 15 | 14.2 | 11.5 | 10.8 | 11.9 | 12 | 15.1 |
| Precipitation (mm) | 0 | 0 | 0.5 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 2.4 | 0.7 | 0 | 0 | 0 | 0 | 0 | 9.2 | 0 | 0.7 | 0 | 4.7 | 1.5 | 0.3 | 0 |
| Precipitation hours | 0 | 0 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 4 | 0 | 14 | 4 | 1 | 0 |
| Wind speed (m/s) | 15 | 14.6 | 17.5 | 17.2 | 13.5 | 15.3 | 12.3 | 15.5 | 13.7 | 17 | 16.8 | 14.3 | 12.2 | 17.3 | 15.5 | 11.3 | 14.5 | 26.6 | 13.8 | 14.8 | 17.6 | 12.5 | 16.2 | 19.7 | 23.9 | 20.9 | 21.2 | 18.4 | 20.6 | 23.1 | 28.7 |
In May 2023, the highest daytime temperature in Robertsfors was 21.2°C.
While the minimum temperature at night dropped to -3.9°C.
The average nighttime and daytime temperatures during May in Robertsfors are 3.5°C and 14.4°C respectively.
The precipitation sum in May is about 26 mm.