The temperatures in Upper Marlboro in May are comfortable with low of 14°C and and high up to 23°C.
You can expect rain for roughly half of the month of May in Upper Marlboro. 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 Upper Marlboro in May 2025.
If you’re planning to visit Upper Marlboro in the near future, we highly recommend that you review the 14 day weather forecast for Upper Marlboro before you arrive.
Temperatures
23° / 14°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
156
mm
Sun Hours
9.5
Hrs
