The weather in Moscow region in December is variable,
typically cold with daily temperatures ranging from 0 to -15 C and snow.

The Russian payment and monetary unit is ROUBLE. Foreing currency is not accepted. One can exchange foreign currency in Moscow (Currency exchange is unavailable in Fryazino and the Hotel). The American dollars and the Euros are the most widely accepted currency all over Russia. The exchange rate is variable, at the present it is 1 Euro ~ 60-65 Roubles, 1 US Dollar ~ 55-60 Roubles. Credit cards are relatively widely accepted in Russia (practically only VISA or MASTER CARD). Payment with a credit card may sometimes incur a surcharge of a couple of per cents, so make sure you know if there are surcharges before you decide to run your card.