The most flights from MOW to EVN are scheduled on a Wednesday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
In terms of precipitation, rainfall in Yerevan ranges from 0.3 - 1.7 inches per month. May is typically the wettest month, when rainfall can reach 1.7 in. August is typically the driest time to visit Yerevan when rainfall is around 0.3 in.
If weather is an important factor for your trip to Yerevan, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).