Mei 2021
| Datum | Max Temp | Min Temp | Max Dew | Min Dew | Total Rain | Max wind | Gem Wind | n.a. | Max Baro | Min Baro | Max UV | Max Solar | Purple Air | AQ 24h | Gem Wind direct. |
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 30 Apr | 9.8 | 6.8 | 8.1 | 5.7 | 15.8 | 5.4 | 0.3 | | 1014.2 | 1010.3 | 1.4 | 287.0 | | 57.4 | 315.0 |
| 1 May | 12.2 | 5.2 | 6.3 | 2.7 | 0.0 | 6.3 | 0.7 | | 1015.1 | 1013.1 | 3.9 | 960.0 | | 39.6 | 311.0 |
| 2 May | 12.1 | 5.7 | 4.8 | 1.2 | 0.0 | 7.2 | 1.0 | | 1020.7 | 1015.0 | 4.4 | 1009.0 | | 15.8 | 312.0 |
| 3 May | 14.2 | 5.0 | 7.6 | 1.7 | 0.7 | 8.5 | 0.7 | | 1021.0 | 1002.6 | 3.6 | 773.0 | | 86.6 | 290.0 |
| 4 May | 12.3 | 6.6 | 7.8 | 2.9 | 18.6 | 12.1 | 1.6 | | 1002.6 | 991.6 | 3.3 | 304.0 | | 14.6 | 282.0 |
| 5 May | 11.1 | 5.9 | 5.7 | 0.8 | 4.0 | 10.3 | 1.5 | | 1008.8 | 998.8 | 4.1 | 984.0 | | 10.0 | 314.0 |
| 6 May | 11.9 | 4.0 | 4.5 | 0.6 | 0.0 | 4.9 | 0.4 | | 1008.3 | 1004.3 | 3.4 | 745.0 | | 26.3 | 314.0 |
| 7 May | 12.7 | 3.7 | 4.3 | 0.9 | 0.3 | 7.6 | 0.7 | | 1018.2 | 1006.9 | 4.0 | 956.0 | | 61.9 | 315.0 |
| 8 May | 15.6 | 2.5 | 12.0 | 1.1 | 3.0 | 8.9 | 0.8 | | 1018.2 | 1005.3 | 1.3 | 183.0 | | 55.1 | 93.0 |
| 9 May | 26.2 | 12.2 | 16.4 | 9.5 | 0.3 | 7.6 | 0.7 | | 1005.7 | 998.6 | 4.8 | 791.0 | | 38.8 | 66.0 |
| 10 May | 20.7 | 13.2 | 14.1 | 8.7 | 4.8 | 8.9 | 0.6 | | 1008.7 | 996.6 | 4.9 | 942.0 | | 21.7 | 347.0 |
| 11 May | 18.3 | 11.3 | 13.4 | 9.2 | 2.6 | 3.6 | 0.2 | | 1010.3 | 1007.4 | 2.4 | 397.0 | | 48.8 | 350.0 |
| 12 May | 18.1 | 8.4 | 10.6 | 6.4 | 0.5 | 4.9 | 0.4 | | 1011.5 | 1009.9 | 4.8 | 953.0 | | 19.6 | 323.0 |
| 13 May | 19.7 | 7.2 | 12.2 | 6.0 | 0.0 | 4.0 | 0.4 | | 1010.5 | 1006.1 | 4.6 | 911.0 | | 65.1 | 341.0 |
| 14 May | 15.6 | 8.8 | 9.3 | 6.6 | 0.0 | 3.6 | 0.2 | | 1008.9 | 1004.4 | 4.1 | 984.0 | | 65.1 | 350.0 |
| 15 May | 14.7 | 8.4 | 9.7 | 6.5 | 3.8 | 3.6 | 0.2 | | 1008.0 | 999.7 | 4.5 | 1009.0 | | 51.1 | 68.0 |
| 16 May | 14.2 | 8.3 | 11.4 | 7.2 | 30.9 | 6.7 | 0.2 | | 1001.0 | 999.2 | 4.2 | 870.0 | | 34.2 | 20.0 |
| 17 May | 14.9 | 8.2 | 12.2 | 7.1 | 6.9 | 5.4 | 0.3 | | 1009.2 | 999.3 | 4.6 | 1007.0 | | 30.4 | 353.0 |
| 18 May | 16.6 | 8.1 | 10.2 | 6.4 | 1.2 | 5.8 | 0.4 | | 1015.0 | 1009.0 | 5.3 | 1067.0 | | 47.9 | 296.0 |
| 19 May | 13.1 | 7.4 | 10.9 | 6.2 | 16.5 | 3.1 | 0.2 | | 1019.8 | 1014.2 | 2.9 | 650.0 | | 104.3 | 327.0 |
| 20 May | 17.2 | 7.3 | 10.0 | 5.8 | 0.5 | 5.8 | 0.4 | | 1020.7 | 1007.3 | 4.5 | 865.0 | | 19.6 | 32.0 |
| 21 May | 17.2 | 9.6 | 9.4 | 3.9 | 1.3 | 8.9 | 1.2 | | 1007.4 | 996.6 | 5.1 | 1025.0 | | 14.6 | 11.0 |
| 22 May | 13.2 | 8.3 | 10.4 | 5.9 | 12.5 | 7.6 | 1.0 | | 1008.2 | 994.6 | 5.1 | 997.0 | | 23.8 | 342.0 |
| 23 May | 15.7 | 6.9 | 9.6 | 4.3 | 0.7 | 6.3 | 0.4 | | 1012.9 | 1008.1 | 4.9 | 956.0 | | 18.8 | 21.0 |
| 24 May | 15.9 | 9.7 | 10.8 | 6.9 | 4.8 | 5.8 | 0.5 | | 1010.5 | 1005.6 | 3.3 | 798.0 | | 57.4 | 66.0 |
| 25 May | 15.6 | 7.8 | 9.9 | 6.7 | 4.1 | 7.6 | 0.6 | | 1012.7 | 1006.7 | 4.9 | 1021.0 | | 19.2 | 6.0 |
| 26 May | 14.7 | 8.6 | 9.8 | 6.7 | 1.3 | 7.6 | 0.7 | | 1012.6 | 1009.3 | 4.8 | 1020.0 | | 0.0 | 352.0 |
| 27 May | 13.8 | 9.6 | 10.3 | 7.8 | 4.4 | 6.3 | 0.8 | | 1025.6 | 1012.5 | 2.9 | 817.0 | | 37.1 | 312.0 |
| 28 May | 20.0 | 7.2 | 11.8 | 6.1 | 3.5 | 3.6 | 0.3 | | 1025.8 | 1023.3 | 5.3 | 965.0 | | 0.0 | 325.0 |
| 29 May | 17.8 | 7.4 | 11.1 | 6.0 | 1.5 | 4.0 | 0.4 | | 1029.1 | 1024.7 | 6.2 | 1143.0 | | 69.1 | 346.0 |
| 30 May | 20.7 | 9.6 | 14.4 | 6.8 | 1.3 | 4.0 | 0.5 | | 1029.3 | 1025.7 | 5.6 | 863.0 | | 0.0 | 348.0 |
| 31 May | 23.8 | 9.4 | 14.8 | 7.8 | 0.2 | 3.6 | 0.3 | | 1025.9 | 1020.1 | 5.8 | 875.0 | | 0.0 | 345.0 |