Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 6 | 19 | 6 | 104 mm | Awful | Upper Marlboro in January |
| February | 7° / 0° | 7 | 15 | 6 | 120 mm | Awful | Upper Marlboro in February |
| March | 12° / 4° | 7 | 20 | 4 | 122 mm | Awful | Upper Marlboro in March |
| April | 18° / 9° | 8 | 22 | 0 | 130 mm | Ok | Upper Marlboro in April |
| May | 23° / 14° | 8 | 23 | 0 | 156 mm | Good | Upper Marlboro in May |
| June | 28° / 19° | 7 | 23 | 0 | 154 mm | Good | Upper Marlboro in June |
| July | 31° / 22° | 8 | 23 | 0 | 184 mm | Ok | Upper Marlboro in July |
| August | 30° / 21° | 8 | 23 | 0 | 178 mm | Ok | Upper Marlboro in August |
| September | 26° / 18° | 5 | 25 | 0 | 143 mm | Perfect | Upper Marlboro in September |
| October | 20° / 12° | 5 | 26 | 0 | 151 mm | Good | Upper Marlboro in October |
| November | 13° / 6° | 5 | 24 | 1 | 95 mm | Ok | Upper Marlboro in November |
| December | 8° / 2° | 7 | 21 | 3 | 136 mm | Awful | Upper Marlboro in December |