| Date | Mean
  Pressure (hPa) | Air
  Temperature | Mean Relative Humidity (%) | Total Rainfall (mm) | ||
| Maximum (deg.
  C) | Mean (deg.
  C) | Minimum (deg.
  C) | ||||
| May 2020 | ||||||
| 1 | 1012.5 | 30.2 | 25.7 | 23.6 | 22.0 | 0.0 | 
| 2 | 1010.0 | 30.0 | 26.3 | 23.9 | 21.9 | 0.0 | 
| 3 | 1009.2 | 31.3 | 27.3 | 24.9 | 23.1 | 0.0 | 
| 4 | 1009.8 | 31.5 | 27.8 | 25.9 | 23.9 | 0.0 | 
| 5 | 1008.8 | 29.9 | 27.9 | 26.6 | 24.1 | 0.0 | 
| 6 | 1008.6 | 31.4 | 28.7 | 27.2 | 25.0 | 0.0 | 
| 7 | 1008.7 | 30.8 | 29.0 | 27.7 | 25.4 | 0.0 | 
| 8 | 1008.6 | 32.0 | 29.3 | 28.2 | 25.7 | 0.1 | 
| 9 | 1009.2 | 31.7 | 29.2 | 27.7 | 25.2 | 0.1 | 
| 10 | 1009.8 | 32.4 | 29.0 | 26.4 | 24.8 | 0.8 | 
| 11 | 1010.3 | 33.5 | 28.9 | 24.2 | 24.2 | 14.8 | 
| 12 | 1010.8 | 30.4 | 27.0 | 24.4 | 23.7 | 3.6 | 
| 13 | 1012.3 | 28.0 | 26.6 | 25.8 | 23.6 | 0.3 | 
| 14 | 1011.2 | 29.8 | 27.1 | 25.1 | 23.9 | 0.1 | 
| 15 | 1008.3 | 31.7 | 28.5 | 26.7 | 25.0 | 0.0 | 
| 16 | 1007.5 | 32.9 | 28.9 | 26.5 | 25.0 | 0.0 | 
| 17 | 1005.3 | 32.5 | 28.9 | 26.7 | 24.3 | Trace | 
| 18 | 1004.6 | 28.6 | 25.8 | 24.1 | 23.7 | 46.7 | 
| 19 | 1005.1 | 31.7 | 28.0 | 25.6 | 24.5 | 0.0 | 
| 20 | 1006.1 | 28.5 | 27.6 | 26.7 | 25.2 | 4.3 | 
| 21 | 1003.8 | 29.5 | 27.6 | 25.5 | 26.1 | 84.6 | 
| 22 | 1003.2 | 29.4 | 27.9 | 27.0 | 25.6 | 17.0 | 
| 23 | 1006.8 | 27.0 | 25.7 | 24.9 | 23.6 | 1.5 | 
| 24 | 1009.4 | 29.4 | 26.7 | 25.2 | 23.4 | Trace | 
| 25 | 1009.6 | 28.1 | 26.6 | 24.8 | 24.9 | 32.4 | 
| 26 | 1007.6 | 31.1 | 28.3 | 26.6 | 25.8 | 14.4 | 
| 27 | 1008.6 | 30.5 | 28.2 | 26.5 | 25.1 | 0.1 | 
| 28 | 1010.1 | 29.5 | 27.7 | 26.7 | 25.2 | 0.2 | 
| 29 | 1010.0 | 30.8 | 28.2 | 26.7 | 25.4 | 0.2 | 
| 30 | 1010.9 | 28.5 | 26.0 | 24.4 | 24.9 | 131.3 | 
| 31 | 1010.5 | 31.0 | 29.2 | 27.1 | 25.9 | Trace |