- Latitude: 42.223
- Longitude: -83.744
High Temperatures
On April 20 in this location the average high temperature is 63.6 °F (17.6 °C). The lowest recored high temperature was 36.0 °F (2.2 °C) in 1953 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2005. The high temperature is usually* between 56.4 °F (13.6 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 56.4 °F (13.6 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.6 °C). About 95% of the time, the high temperature has been between 42.7 °F (5.9 °C) and 84.6 °F (29.2 °C).
Low Temperatures
On April 20 in this location the average low temperature is 40.8 °F (4.9 °C). The lowest recored low temperature was 21.9 °F (-5.6 °C) in 2022 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 1948. The low temperature is usually* between 34.9 °F (1.6 °C) and 46.6 °F (8.1 °C). About a quarter of the time, the low temperature is less than 34.9 °F (1.6 °C), and another quarter of the time, the low temperature is greater than and 46.6 °F (8.1 °C). About 95% of the time, the low temperature has been between 23.7 °F (-4.6 °C) and 57.8 °F (14.3 °C).
Frost
On April 20 in this location expect the temperatures to drop below freezing for a risk of frost about 15.7% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- WILLOW RUN AIRPORT — Integrated Surface Dataset (ISD) station ID: 725376 — Weather Bureau Army Navy (WBAN): 14853 — from year 1973 to 2025
- ANN ARBOR MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 725374 — Weather Bureau Army Navy (WBAN): 94889 — from year 2006 to 2025
- WILLOW RUN — Integrated Surface Dataset (ISD) station ID: 725376 — from year 2000 to 2003
- DETROIT WILLOW RUN AP — Weather Bureau Army Navy (WBAN): 14853 — from year 1948 to 1968