Jämi has a great deal of options for accommodations.
Hotels may be found here: https://jami.fi/majoitus/hotellit/. Lumihovi has an English page here: http://jamikeskus.fi/eng/accommodation/lumihovi and Reima Country Center here: http://jamikeskus.fi/eng/accommodation/reimacountrycenter.
More information about Hostel Kuninkaanlähde may be found here: http://jamikeskus.fi/eng/accommodation/kuninkaanlahde.
Villas or cottages are found here: https://jami.fi/majoitus/mokit/. English websites here:
Attention. From time to time, there are military training activities of the nearby garrison in the Hämeenkangas area. Avoid approaching military vehicles. Exercises are organized mainly on the west side of Hämeenkangas nearby Niinisalo garrison. You can check the situation in the annual plan of the Defense Forces from here.