Fantasy Month Name Generator

Real month names come from three places, and a fantasy calendar feels authentic when it borrows at least one of them. Some months are named for what people do or see in them: the Anglo-Saxon year ran through Solmonath (mud month), Thrimilci (three milkings) and Blotmonath (blood month, when livestock were slaughtered), and the French Republican calendar coined Brumaire, Frimaire and Thermidor from fog, frost and heat. Others honour gods, rulers or saints, as January, July and August do. A third group are simply numbered, like September through December.

For worldbuilding, the descriptive approach works best because the names also tell the reader about the climate and economy. A run of Frostfall, Deepwinter, Thawmoon and Seedfall sketches a temperate farming culture in four words; a coastal people might count Herringtide and Seawrack, and a volcanic cult Cindermonth and Pyremonth. Decide how many months your year has and whether it is lunar (in which case moon names like Hunger Moon and Blackmoon feel right) or solar. Then choose a single register for the whole set. Elvish-flavoured names such as Elenvaire and Lothrindel, latinate ones such as Brumalor and Aestivar, or harsh dwarven ones such as Khazrund and Grondrak all work, but mixing them inside one calendar reads as careless unless different cultures in your world are meant to use different calendars.