Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Moline (average of $327). Flying from Portland, Maine to Moline in June is currently the most expensive (average of $442). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
In terms of precipitation, rainfall in Moline ranges from 1.5 - 4.5 inches per month. June is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Moline when rainfall is around 1.5 in.
If weather is an important factor for your trip to Moline, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).