The most flights from PEK to SVO are scheduled on a Monday (2 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).
In terms of precipitation, rainfall in Moscow Sheremetyevo Airport ranges from 0.8 - 3.1 inches per month. July is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Moscow Sheremetyevo Airport when rainfall is around 0.8 in.
If weather is an important factor for your trip to Moscow Sheremetyevo Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).