May 20 - ALGONAC - Weather History and Averages

Station: ALGONAC (2012 to 2025)
Country: US
State: MI
Latitude: 42.621
Longitude: -82.527

High Temperatures

On May 20 in ALGONAC the average high temperature is 73.3 °F (22.9 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 2025 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2024. The high temperature is usually^* between 67.5 °F (19.7 °C) and 79.0 °F (26.1 °C). About a quarter of the time, the high temperature is less than 67.5 °F (19.7 °C), and another quarter of the time, the high temperature is greater than and 79.0 °F (26.1 °C). About 95% of the time, the high temperature has been between 56.7 °F (13.7 °C) and 89.8 °F (32.1 °C).

Low Temperatures

On May 20 in ALGONAC the average low temperature is 48.8 °F (9.3 °C). The lowest recored low temperature was 37.0 °F (2.8 °C) in 2025 and the lowest recored low temperature was 61.3 °F (16.3 °C) in 2013. The low temperature is usually^* between 43.3 °F (6.3 °C) and 54.3 °F (12.4 °C). About a quarter of the time, the low temperature is less than 43.3 °F (6.3 °C), and another quarter of the time, the low temperature is greater than and 54.3 °F (12.4 °C). About 95% of the time, the low temperature has been between 32.9 °F (0.5 °C) and 64.7 °F (18.2 °C).

Frost

On May 20 in ALGONAC expect the temperatures to drop below freezing for a risk of frost about 1.9% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations:

ALGONAC — Integrated Surface Dataset (ISD) station ID: 998492 — from year 2012 to 2025

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