Thermograph

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

Weather in Washington in May

In an average May, Washington sees a daily high around 75°F and a low around 56°F, based on 1980–2026 of local climate records.

Average high75°F
Typical high range63°F to 86°F
Average low56°F
Typical low range46°F to 66°F
Average daily precipitation0.10 in

May records

The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.

High

Highest 98°F 1991-05-30
Lowest 52°F 2020-05-09

Low

Highest 77°F 1991-05-31
Lowest 35°F 1986-05-04

Feels-like

Highest 124°F 1991-05-30
Lowest 25°F 2020-05-09

Humidity

Highest 20.3 g/m³ 1991-05-28
Lowest 3.2 g/m³ 1986-05-03

Wind

Highest 22 mph 2014-05-16
Lowest 3 mph 2016-05-31

Gust

Highest 53 mph 1989-05-06
Lowest 10 mph 1999-05-30

Precip

Wettest 8.31 in 1989
Driest 0.90 in 1999

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