Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Sundhausen | 175 m | TH |
| Sunthausen | 725 m | BW |
| Süpplingen | 129 m | NI |
| Surwold | 10 m | NI |
| Süsel-Röbel | 60 m | SH |
| Sutthausen | 90 m | NI |
| Süttorf | 30 m | NI |
| Sydow | 30 m | ST |
| Syke | 40 m | NI |
| Sylda | 220 m | ST |
| SyltWesterland | 12 m | SH |
| Syrgenstein-Altenberg | 550 m | BY |
| Syrgenstein-Altenberg (Ph) | 550 m | BY |
| Taarsedt | 27 m | SH |
| Tabarz/Thüringer Wald | 415 m | TH |
| Tacherting | 480 m | BY |
| Tacherting-Altenham | 523 m | BY |
| Tacherting-Spreit | 507 m | BY |
| Tafertshofen | 520 m | BY |
| Tagmersheim | 510 m | BY |
| Tagmersheim-Blossenau | 522 m | BY |
| Tairnbach | 180 m | BW |
| Talheim | 756 m | BW |
| Talkau | 62 m | SH |
| Talle | 260 m | NW |
| Tambach-Dietharz | 470 m | TH |
| Tambach-Dietharz (Forsthaus) | 544 m | TH |
| Tambach-Dietharz (Kerngemeinde) | 470 m | TH |
| Tambach-Dietharz/Thür. Wald (Talsperre) | 475 m | TH |
| Tangeln | 50 m | ST |
| Tangerhütte | 38 m | ST |
| Tangerhütte (PH) | 35 m | ST |
| Tangerhütte-Windberge | 48 m | ST |
| Tangermünde | 45 m | ST |
| Tangermünde (PH) | 40 m | ST |
| Tann | 370 m | HE |
| Tann/Rhön | 395 m | HE |
| Tanna | 548 m | TH |
| Tanna-Spielmes | 544 m | TH |
| Tanne | 510 m | ST |
| Tanneberg | 248 m | SN |
| Tannenberg | 532 m | SN |
| Tannenkirch | 370 m | BW |
| Tännesberg | 590 m | BY |
| Tannheim | 580 m | BW |
| Tannroda | 295 m | TH |
| Tantow-Damitzow | 25 m | BB |
| Tarmstedt | 20 m | NI |
| Tarmstedt-Vorwerk | 25 m | NI |
| Tarp | 25 m | SH |