The weather in Rockville in July is hot. The average temperatures are between 21°C and 31°C.
You can expect rain for roughly half of the month of July in Rockville. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Rockville in July 2025.
If you’re planning to visit Rockville in the near future, we highly recommend that you review the 14 day weather forecast for Rockville before you arrive.
Temperatures
31° / 21°
Rainy Days
11
Snowy Days
0
Dry Days
20
Rainfall
132
mm
Sun Hours
7.7
Hrs
