Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Bargteheide | 45 m | SH |
| Barkhausen | 80 m | NI |
| Barleben | 50 m | ST |
| Barlo | 40 m | NW |
| Barmstedt | 12 m | SH |
| Bärnau-Naab | 607 m | BY |
| Barneberg | 143 m | ST |
| Barnewitz | 30 m | BB |
| Barnhausen | 120 m | NW |
| Barnin | 42 m | MV |
| Barnsen | 70 m | NI |
| Barnstorf | 37 m | NI |
| Barnstorf | 35 m | NI |
| Barntrup | 170 m | NW |
| Barsbek | 8 m | SH |
| Barßel | 2 m | NI |
| Barßel-Loher Ostmark | 2 m | NI |
| Barsinghausen | 114 m | NI |
| Barsinghausen-Egestorf | 96 m | NI |
| Barsinghausen-Hohenbostel | 110 m | NI |
| Barsinghausen-Kirchdorf | 96 m | NI |
| Barsinghausen-Stemmen | 68 m | NI |
| Bartenshagen-Parkentin | 22 m | MV |
| Barth | 3 m | MV |
| Barth (Bobachtungsstelle 2) | 20 m | MV |
| Barth (PH) | 20 m | MV |
| Barth-Saatel | 10 m | MV |
| Barthelmesaurach | 370 m | BY |
| Bartholomä | 659 m | BW |
| Bartholomä (Ph) | 659 m | BW |
| Bartmannshagen | 10 m | MV |
| Barum-St. Dionys | 4 m | NI |
| Baruth | 55 m | BB |
| Baruth (Beob.-Stelle 1) | 55 m | BB |
| Baruth-Petkus | 145 m | BB |
| Barver | 35 m | NI |
| Basbeck | 5 m | NI |
| Basberg | 450 m | RP |
| Basdahl-Volkmarst | 27 m | NI |
| Basdorf | 350 m | HE |
| Basepohl | 53 m | MV |
| Bassenheim | 170 m | RP |
| Bassum | 40 m | NI |
| Bassum (A) | 36 m | NI |
| Bassum (PH) | 40 m | NI |
| Bastheim | 280 m | BY |
| Bastheim-Simonshof | 312 m | BY |
| Bastorf-Kägsdorf (SWN) | 51 m | MV |
| Batensen | 60 m | NI |
| Battenberg-Berghofen | 328 m | HE |