Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Baltimore, Maryland, United States climate

Average temperatures, precipitation and all-time records for Baltimore, Maryland, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 87°F, and its coldest is January, with an average low of 22°F.

Baltimore, also known as Baltimore City, is the most populous city in the U.S. state of Maryland. It is the 30th-most populous U.S. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Baltimore, Maryland, United States's own ±7-day seasonal distribution.

High 91°F Above Normal · 71st pct
Low 71°F High · 76th pct
Feels-like 97°F Normal · 47th pct
Humidity 21.7 g/m³ Near Record · 99th pct
Wind 9 mph Normal · 47th pct
Precip 0.14 in Heavy · 66th pct

Open Baltimore in the live weather grader →

Baltimore average temperatures by month

Typical daily high and low, and average precipitation, for each month in Baltimore, Maryland, United States, based on 1981–2026 records. The wettest month is January (0.10 in on an average day).

MonthAvg highAvg lowAvg precip
January 36°F 22°F 0.10 in
February 40°F 24°F 0.10 in
March 50°F 31°F 0.10 in
April 62°F 41°F 0.10 in
May 70°F 50°F 0.10 in
June 81°F 61°F 0.10 in
July 87°F 68°F 0.10 in
August 85°F 66°F 0.10 in
September 79°F 58°F 0.10 in
October 66°F 46°F 0.10 in
November 53°F 35°F 0.10 in
December 41°F 27°F 0.10 in

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 103°F on 2012-07-07
  • Coldest day on record: -20°F on 1994-01-19

All Baltimore weather records →

Percentiles compare each day to Baltimore, Maryland, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →