Climate averages 1991–2020
Baltimore weather
in March.
A cool, wet month: the 9th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Baltimore: daytime highs average 10.9°C and nights cool to about 1.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 114 mm of rain on roughly 11 days, which makes March a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average March day.
The nearest other city in this atlas is Columbia (Maryland), United States (20 km away). In March its highs average 10.8°C, about as warm as Baltimore, with 102 mm of rain.
Among the 498 cities listed in the United States, Baltimore ranks joint 330th of 498 for the warmest March highs and joint 440th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Baltimore is 4.0°C cooler than that mean.
From March to April, average highs rise by 6.3°C to 17.2°C, and monthly rainfall falls from 114 mm to 97 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Baltimore climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.8°C-2.9°C | -2.9°C | 90 | 9.0 | 9.710 h |
| February | 6.4°C-2.5°C | -2.5°C | 84 | 9.2 | 10.711 h |
| March, selected | 10.9°C1.3°C | 1.3°C | 114 | 10.5 | 11.912 h |
| April | 17.2°C7.0°C | 7.0°C | 97 | 10.4 | 13.213 h |
| May | 22.2°C12.7°C | 12.7°C | 96 | 11.0 | 14.314 h |
| June | 27.0°C18.0°C | 18.0°C | 90 | 10.9 | 14.915 h |
| July | 29.6°C21.0°C | 21.0°C | 97 | 11.4 | 14.615 h |
| August | 28.6°C20.2°C | 20.2°C | 93 | 10.4 | 13.714 h |
| September | 24.8°C16.6°C | 16.6°C | 120 | 9.4 | 12.512 h |
| October | 18.6°C10.2°C | 10.2°C | 102 | 8.4 | 11.211 h |
| November | 12.3°C4.2°C | 4.2°C | 86 | 8.3 | 10.110 h |
| December | 7.1°C-0.4°C | -0.4°C | 109 | 9.6 | 9.59 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Columbia (Maryland), United States in MarchUnited States · 20 kmHigh 10.8°C · Low 1.6°C · 102 mm rain
- Silver Spring in MarchUnited States · 49 kmHigh 11.6°C · Low 1.6°C · 99 mm rain
- Washington in MarchUnited States · 57 kmHigh 12.5°C · Low 2.0°C · 99 mm rain
- Germantown in MarchUnited States · 58 kmHigh 11.2°C · Low 1.2°C · 97 mm rain
- Arlington (Virginia), United States in MarchUnited States · 62 kmHigh 12.0°C · Low 1.7°C · 99 mm rain
- Alexandria, United States in MarchUnited States · 66 kmHigh 12.5°C · Low 2.3°C · 98 mm rain
- Centreville in MarchUnited States · 86 kmHigh 11.9°C · Low 2.2°C · 96 mm rain
- Wilmington (Delaware), United States in MarchUnited States · 105 kmHigh 10.6°C · Low 1.2°C · 105 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Baltimore) is explained once on the Baltimore year overview and on the Sources, method and limits page.