Maryland climate

World Climates covers 1 place in Maryland. Baltimore has a hot-summer humid continental climate (Köppen Dfa).

Climate of Baltimore at a glance

The year average in Baltimore is 13 °C55 °F. The warmest month is July, with an average high of 31 °C88 °F. The coldest is January, with an average low of −4 °C24 °F. About 1,163 mm46 in of precipitation falls in a year. June is the wettest month and January the driest. By our comfort score, the best months to visit are May and June and September and October.

Frequently asked questions

How many places in Maryland does this site cover?

World Climates has climate data for one place in Maryland: Baltimore. Its page has monthly averages for temperature, rainfall, humidity and daylight.

What is the warmest month in Baltimore?

July is the warmest month, with an average high of 31 °C88 °F. January is the coldest, with an average low of −4 °C24 °F.

When does it rain the most in Baltimore?

June is the wettest month, with about 117 mm4.6 in of precipitation. The yearly total is about 1,163 mm46 in.

When is the best time to visit Baltimore?

By our comfort score, the most comfortable months are May and June and September and October. The score is based on long-term averages, not on a forecast.

Climate of every place in Maryland

Annual averages, 2001–2025
PlaceYearMax highMin lowPrecip.
Baltimore1331−41,163

Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.

Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.