Thermograph

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

Weather in Baltimore, Maryland, United States in May

In an average May, Baltimore sees a daily high around 70°F and a low around 50°F, based on 1981–2026 of local climate records.

Average high70°F
Typical high range60°F to 80°F
Average low50°F
Typical low range41°F to 60°F
Average daily precipitation0.10 in

May records

The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.

High

Highest 97°F 2026-05-19
Lowest 48°F 2020-05-09

Low

Highest 71°F 1991-05-31
Lowest 30°F 2020-05-09

Feels-like

Highest 110°F 2026-05-18
Lowest 17°F 2020-05-09

Humidity

Highest 19.2 g/m³ 2019-05-29
Lowest 3.8 g/m³ 2020-05-09

Wind

Highest 26 mph 2010-05-08
Lowest 5 mph 1993-05-01

Precip

Wettest 8.99 in 1989
Driest 0.78 in 2023

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