Most are very cheap. You can also contact a provider specified in your travel insurance policy. You can usually place local telephone calls from your hotel room by dialing a single number for an outside line. For Russian souvenirs, you might check the speciality shops. Among traditional Russian handicrafts are painted wooden dishes from the city of Khokhloma, exquisite lacquered boxes from Palekh and Mstyora.
Temperature is measured in Centigrade in Russia.