The conditions that come with this rule, from its official sources.
Conditions from official sources
Can enter without prior approval with a residence permit valid for at least 4 months in a GCC country, the United States, Canada, Australia, Japan, South Korea or a European country.
Can enter without prior approval with a Schengen or US visa, used or not.
Passport validity
The source states no minimum passport validity.
Tourist entry only
These rules cover tourist visits. Work, study and transit follow other rules.
The other way round
What Jordan passport holders need to visit Niger.
Jordan passport Niger
Visa needed
tous les étrangers qui souhaitent se rendre au Niger, sont tenus de présenter à la frontière un passeport et un titre de voyage revêtu d'un visa nigérien, sauf en cas d'exemption prévue par un accord bilatéral ou communautaire.