never
Not much. Average rainfall through January is 9 days of the month.
Most USA gymnasts (kids) compete about twice a month during the competition season.
Twice; both during the sun's summer and winter solstices.
The prior month means the previous month, or often said, "the month before".
Tornadoes occur in all months, but activity most often peaks in May.
MLB players typically receive their paychecks twice a month during the regular season.
Sunny to cloudy, with a warm climate. During summer it tends to have a cool, rainy weather.
Once during calendar month. Beware they can call you on 28th of a month then the 3rd of following, just an example. So be careful.
The web comic, Savestate, used to updated every 2 weeks. It is now being updated once a month. This is usually during the first week of each month.
Two (2) times in a month.
The month of Hades is typically associated with the ancient Greek month of "Hekatombaion," which corresponds to July in the modern calendar. This month was named after Hades, the god of the underworld, reflecting themes of death and the afterlife. In ancient Greek culture, rituals and festivals honoring Hades were often observed during this time.
If by often you mean the longest, yes it is. It kept Mexico as a colony from 1521 until 1821 when Mexico fought an won its independence war.