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The most flights from DME to CAI are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
In terms of precipitation, rainfall in Cairo ranges from 0.0 - 0.0 inches per month. January is typically the wettest month, when rainfall can reach 0.0 in. January is typically the driest time to visit Cairo when rainfall is around 0.0 in.
If weather is an important factor for your trip to Cairo, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).