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Baltimore, MD All-Time Weather Extremes

The most extreme temperature, precipitation, and snowfall ever recorded in Baltimore, from NOAA daily weather observations.

Station: BALTIMORE-WASHINGTON INTL AP
All-time weather extremes for Baltimore, MD, from NOAA daily observations at BALTIMORE-WASHINGTON INTL AP
Temperature
Record High105.9°F (41°C)July 22, 2011
Record Low-7°F (-22°C)January 17, 1982 and January 22, 1984
Lowest High5°F (-15°C)January 19, 1994
Highest Low82°F (28°C)July 24, 2010 and July 8, 2012
Highest Mean93.4°F (34°C)July 22, 2011
Lowest Mean0°F (-18°C)January 19, 1994
Precipitation
Max in One Calendar Day6.30" (160.0 mm)August 12, 2014
Max in One Month16.73" (425.0 mm)July 2018
Least in One Month0.08" (2.1 mm)October 2000
Max in One Year71.84" (1824.7 mm)2018
Least in One Year30.19" (766.8 mm)1991
Snowfall
Max in One Calendar Day25.5" (64.8 cm)January 23, 2016
Max in One Month50.0" (127.1 cm)February 2010
Max in One Season77.0" (195.7 cm)2009-10
Max in One Year59.7" (151.6 cm)1996
Earliest Snow0.3" (0.8 cm)October 10, 1979
Earliest Measurable Snow0.3" (0.8 cm)October 10, 1979
Latest Snow0.7" (1.8 cm)April 9, 1985
Latest Measurable Snow0.7" (1.8 cm)April 9, 1985
Period of Record
TemperatureJanuary 1, 1970 – August 1, 2026
PrecipitationJanuary 1, 1970 – August 1, 2026
SnowfallJanuary 1, 1970 – August 1, 2026

Note: Records compiled from NOAA GHCN-Daily observations at BALTIMORE-WASHINGTON INTL AP (9 mi from Baltimore, MD). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.

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Baltimore, MD all-time weather extremes table — record high 105.9°F on July 22, 2011, record low -7°F on January 17, 1982, with precipitation and snowfall records from NOAA data

Frequently Asked Questions

What is the hottest temperature ever recorded in Baltimore, MD?

The all-time record high in Baltimore, MD is 105.9°F (41°C), set on July 22, 2011.

What is the coldest temperature ever recorded in Baltimore, MD?

The all-time record low in Baltimore, MD is -7°F (-22°C), set on January 17, 1982 and January 22, 1984.

What is the most rain Baltimore, MD has ever had in one day?

The most precipitation recorded in one calendar day near Baltimore, MD is 6.30 inches, on August 12, 2014.

What is the biggest snowfall ever recorded in Baltimore, MD?

The most snow recorded in one calendar day near Baltimore, MD is 25.5 inches, on January 23, 2016.

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