The temperatures in Rockville in June are comfortable with low of 18°C and and high up to 28°C.
You can expect rain for roughly half of the month of June 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 June 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
28° / 18°
Rainy Days
10
Snowy Days
0
Dry Days
20
Rainfall
119
mm
Sun Hours
7.3
Hrs
