Thermograph

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

Weather in Boise, Idaho, United States in April

In an average April, Boise sees a daily high around 59°F and a low around 36°F, based on 1981–2026 of local climate records.

Average high59°F
Typical high range47°F to 74°F
Average low36°F
Typical low range28°F to 45°F
Average daily precipitation0.00 in

April records

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

High

Highest 87°F 1992-04-29
Lowest 37°F 2023-04-03

Low

Highest 57°F 1987-04-28
Lowest 22°F 1997-04-02

Feels-like

Highest 88°F 2012-04-23
Lowest 7°F 1991-04-11

Humidity

Highest 9.8 g/m³ 1987-04-29
Lowest 2.6 g/m³ 2002-04-24

Wind

Highest 30 mph 1998-04-23
Lowest 4 mph 2020-04-06

Precip

Wettest 3.69 in 2026
Driest 0.46 in 2008

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