August 18 - LAKE ST CLAIR MI - Weather History and Averages

Station: LAKE ST CLAIR MI (2004 to 2012)
Country: US
State: MI
Latitude: 42.47
Longitude: -82.76

High Temperatures

On August 18 in LAKE ST CLAIR MI the average high temperature is 78.0 °F (25.6 °C). The lowest recored high temperature was 73.0 °F (22.8 °C) in 2007 and the highest recored high temperature was 83.7 °F (28.7 °C) in 2008. The high temperature is usually^* between 75.1 °F (24.0 °C) and 80.9 °F (27.1 °C). About a quarter of the time, the high temperature is less than 75.1 °F (24.0 °C), and another quarter of the time, the high temperature is greater than and 80.9 °F (27.1 °C). About 95% of the time, the high temperature has been between 69.7 °F (20.9 °C) and 86.3 °F (30.2 °C).

Low Temperatures

On August 18 in LAKE ST CLAIR MI the average low temperature is 67.6 °F (19.8 °C). The lowest recored low temperature was 58.8 °F (14.9 °C) in 2007 and the lowest recored low temperature was 71.2 °F (21.8 °C) in 2009. The low temperature is usually^* between 64.3 °F (17.9 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the low temperature is less than 64.3 °F (17.9 °C), and another quarter of the time, the low temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the low temperature has been between 58.0 °F (14.5 °C) and 77.1 °F (25.1 °C).

Frost

On August 18 in LAKE ST CLAIR MI expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:

LAKE ST CLAIR MI — Integrated Surface Dataset (ISD) station ID: 994770 — from year 2004 to 2010

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