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The weather in Baltimore in August is hot. The average temperatures are between 20°C and 29°C.
You can expect rain for roughly half of the month of August in Baltimore. 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 Baltimore in August 2025.
If you’re planning to visit Baltimore in the near future, we highly recommend that you review the 14 day weather forecast for Baltimore before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 6 | 19 | 6 | 92 mm | Awful | Baltimore in January |
| February | 6° / -1° | 7 | 16 | 6 | 112 mm | Awful | Baltimore in February |
| March | 11° / 3° | 7 | 21 | 3 | 111 mm | Awful | Baltimore in March |
| April | 17° / 8° | 7 | 23 | 0 | 113 mm | Ok | Baltimore in April |
| May | 22° / 13° | 9 | 22 | 0 | 157 mm | Ok | Baltimore in May |
| June | 27° / 18° | 7 | 23 | 0 | 155 mm | Good | Baltimore in June |
| July | 30° / 21° | 8 | 23 | 0 | 184 mm | Ok | Baltimore in July |
| August | 29° / 20° | 8 | 23 | 0 | 184 mm | Ok | Baltimore in August |
| September | 26° / 17° | 6 | 24 | 0 | 142 mm | Perfect | Baltimore in September |
| October | 19° / 11° | 5 | 26 | 0 | 135 mm | Good | Baltimore in October |
| November | 12° / 5° | 5 | 25 | 0 | 88 mm | Ok | Baltimore in November |
| December | 7° / 1° | 6 | 21 | 3 | 120 mm | Bad | Baltimore in December |