 Gibeon normally receives an annual average rainfall of , although in the 2010/2011 rainy season were measured.Gibeon is known for the Gibeon meteorite that crashed over a 275 km long and 100 km wide area in prehistoric times.It is an iron meteorite belonging to the chemical group IVA
Gibeon meteorites are made of an iron-nickel alloy, but contain also cobalt and phosphorus.