The most flights from MOW to AER are scheduled on a Friday (28 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).
In terms of precipitation, rainfall in Sochi ranges from 3.9 - 7.6 inches per month. December is typically the wettest month, when rainfall can reach 7.6 in. May is typically the driest time to visit Sochi when rainfall is around 3.9 in.
If weather is an important factor for your trip to Sochi, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).