Thermograph

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

Baltimore, Maryland, United States weather records

Record high and low temperatures for Baltimore, Maryland, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 103°F on 2012-07-07; its coldest fell to -20°F on 1994-01-19.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
68°F2024-01-26
-2°F1994-01-19
57°F1998-01-08
-20°F1994-01-19
February
75°F2018-02-21
14°F2015-02-15
53°F1990-02-16
-8°F2014-02-12
March
80°F2025-03-29
20°F1993-03-14
59°F1990-03-16
-5°F2015-03-06
April
89°F2002-04-17
36°F1982-04-07
65°F2002-04-18
21°F1982-04-07
May
97°F2026-05-19
48°F2020-05-09
71°F1991-05-31
30°F2020-05-09
June
99°F2024-06-22
56°F1997-06-03
77°F2010-06-28
42°F1986-06-03
July
103°F2012-07-07
67°F2000-07-19
81°F2011-07-22
50°F1988-07-01
August
102°F1983-08-20
68°F1986-08-29
78°F2006-08-02
45°F1982-08-29
September
99°F2023-09-06
51°F1984-09-28
75°F2023-09-07
39°F1992-09-30
October
95°F2019-10-02
36°F2002-10-30
71°F2017-10-09
26°F1992-10-20
November
81°F2024-11-06
29°F2014-11-18
61°F2022-11-06
19°F1989-11-24
December
74°F1998-12-06
8°F1983-12-25
57°F2013-12-22
-9°F1983-12-31

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
75°F2018-02-21
-2°F1994-01-19
57°F2013-12-22
-20°F1994-01-19
Spring (Mar–May)
97°F2026-05-19
20°F1993-03-14
71°F1991-05-31
-5°F2015-03-06
Summer (Jun–Aug)
103°F2012-07-07
56°F1997-06-03
81°F2011-07-22
42°F1986-06-03
Autumn (Sep–Nov)
99°F2023-09-06
29°F2014-11-18
75°F2023-09-07
19°F1989-11-24

All-time records

The most extreme value Baltimore has recorded for each metric across its entire history.

High

Highest 103°F 2012-07-07
Lowest -2°F 1994-01-19

Low

Highest 81°F 2011-07-22
Lowest -20°F 1994-01-19

Feels-like

Highest 134°F 1995-07-15
Lowest -46°F 1994-01-19

Humidity

Highest 22.4 g/m³ 2013-07-19
Lowest 0.7 g/m³ 1994-01-19

Wind

Highest 40 mph 2011-04-16
Lowest 3 mph 2026-06-28

Precip

Wettest 4.48 in 2010-09-30
Driest 42-day dry spell 2019-09-04

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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