Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Büsum (A) | 1 m | SH |
| Büsum (PH) | 3 m | SH |
| Büsum (Stadt) | 7 m | SH |
| Butjadingen-Burhave | 1 m | NI |
| Butjadingen-Inte | 1 m | NI |
| Buttelstedt | 231 m | TH |
| Buttelstedt-Weiden | 250 m | TH |
| Bütthard | 263 m | BY |
| Bütthof | 306 m | BW |
| Büttjebüll | 4 m | SH |
| Buttstädt | 184 m | TH |
| Buttstädt | 180 m | TH |
| Butzbach | 200 m | HE |
| Butzbach-Bodenrod | 479 m | HE |
| Butzbach-Kirch-Göns | 238 m | HE |
| Butzbach-Ostheim | 200 m | HE |
| Butzow | 40 m | BB |
| Bützow-Wolken | 10 m | MV |
| Butzweilerhof | 48 m | NW |
| Buxtehude | 1 m | NI |
| Buxtehude-Neuland | 0 m | NI |
| Byhlen | 60 m | BB |
| Cadenberge | 1 m | NI |
| Cadolzhofen | 440 m | BY |
| Calberlah | 67 m | NI |
| Calden-Fürstenwald | 281 m | HE |
| Calenberg | 210 m | NW |
| Calle | 300 m | NW |
| Callenberg | 325 m | SN |
| Callenberg-Falken | 350 m | SN |
| Calmbach | 400 m | BW |
| Calmont (DLR RLP) | 197 m | RP |
| Calvörde | 62 m | ST |
| Calw | 422 m | BW |
| Calw-Hirsau | 329 m | BW |
| Camberg, Bad | 244 m | HE |
| Camberg, Bad (PH) | 250 m | HE |
| Camburg | 147 m | TH |
| Camburg (PH) | 135 m | TH |
| Cantrup | 55 m | NI |
| Cappeln | 45 m | NI |
| Carlow | 27 m | MV |
| Carlsberg | 220 m | RP |
| Carlsfeld | 897 m | SN |
| Carlsfeld Talsperre (Weiterwiese ) | 914 m | SN |
| Carlsgrün | 610 m | BY |
| Carolinensiel | 4 m | NI |
| Carpin | 75 m | MV |
| Carpin-Serrahn | 71 m | MV |
| Casekow | 26 m | BB |