Thermograph

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

Weather in Boise in April

In an average April, Boise sees a daily high around 65°F and a low around 41°F, based on 1980–2026 of local climate records.

Average high65°F
Typical high range52°F to 78°F
Average low41°F
Typical low range32°F to 50°F
Average daily precipitation0.00 in

April records

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

High

Highest 92°F 2012-04-23
Lowest 42°F 2024-04-05

Low

Highest 62°F 1987-04-28
Lowest 24°F 1999-04-02

Feels-like

Highest 93°F 2012-04-22
Lowest 10°F 1999-04-02

Humidity

Highest 11.2 g/m³ 2012-04-26
Lowest 1.9 g/m³ 2002-04-24

Wind

Highest 26 mph 1998-04-23
Lowest 4 mph 2007-04-20

Gust

Highest 46 mph 1998-04-24
Lowest 11 mph 2025-04-06

Precip

Wettest 3.69 in 2026
Driest 0.32 in 1987

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