Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Montabaur | 265 m | RP |
| Montabaur | 250 m | RP |
| Monzelfeld | 440 m | RP |
| Moorausmoor | 2 m | NI |
| Moorenweis-Grunertshofen | 548 m | BY |
| Moorgrund Gräfen-Nitzendorf | 283 m | TH |
| Moormerland-Neermoor | 0 m | NI |
| Moorseite | 2 m | NI |
| Moos,Kr. Deggendorf-Maxmühle | 320 m | BY |
| Moosach-Falkenberg | 550 m | BY |
| Moosanger | 570 m | BY |
| Moosburg | 420 m | BY |
| Moosburg/Isar-Pfrombach | 445 m | BY |
| Mooshütte | 1013 m | BY |
| Moosinning | 490 m | BY |
| Morbach (Ph) | 440 m | RP |
| Mörfelden | 100 m | HE |
| Morgenröthe-Rautenkranz | 672 m | SN |
| Moringen | 181 m | NI |
| Moringen-Fredelsloh | 271 m | NI |
| Moringen-Lutterbeck | 240 m | NI |
| Moringen-Nienhagen | 310 m | NI |
| Moritzburg | 166 m | SN |
| Morlautern (DLR RLP) | 307 m | RP |
| Mörlenbach | 175 m | HE |
| Mörlenbach (PH) | 170 m | HE |
| Mörnsheim | 414 m | BY |
| Mörsach | 420 m | BY |
| Morsbach | 227 m | NW |
| Mörsch | 120 m | BW |
| Mörschenhardt | 490 m | BW |
| Mörsdorf | 340 m | RP |
| Mörsfeld | 294 m | RP |
| Morsum | 10 m | NI |
| Morsum/Sylt | 10 m | SH |
| Mosbach | 200 m | HE |
| Mosbach-Diedesheim | 200 m | BW |
| Mosbach-Nüstenbach | 210 m | BW |
| Mosel | 270 m | SN |
| Möser | 64 m | ST |
| Möser (PH) | 65 m | ST |
| Mossautal-Hiltersklingen | 325 m | HE |
| Mössingen | 480 m | BW |
| Mötsch | 340 m | RP |
| Motten | 436 m | BY |
| Motten (PH) | 420 m | BY |
| Möttingen | 416 m | BY |
| Motzen | 47 m | BB |
| Much | 210 m | NW |
| Mücheln | 160 m | ST |