January 30 - WILMETTE (CGS) - Weather History and Averages

Station: WILMETTE (CGS) (1987 to 1991)
Country: US
State: IL
Latitude: 42.067
Longitude: -87.683

High Temperatures

On January 30 in WILMETTE (CGS) the average high temperature is 42.5 °F (5.9 °C). The lowest recored high temperature was 24.1 °F (-4.4 °C) in 1991 and the highest recored high temperature was 54.9 °F (12.7 °C) in 1988. The high temperature is usually^* between 34.5 °F (1.4 °C) and 50.6 °F (10.3 °C). About a quarter of the time, the high temperature is less than 34.5 °F (1.4 °C), and another quarter of the time, the high temperature is greater than and 50.6 °F (10.3 °C). About 95% of the time, the high temperature has been between 19.1 °F (-7.2 °C) and 66.0 °F (18.9 °C).

Low Temperatures

On January 30 in WILMETTE (CGS) the average low temperature is 29.9 °F (-1.2 °C). The lowest recored low temperature was 8.1 °F (-13.3 °C) in 1991 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 1988. The low temperature is usually^* between 21.6 °F (-5.8 °C) and 38.2 °F (3.5 °C). About a quarter of the time, the low temperature is less than 21.6 °F (-5.8 °C), and another quarter of the time, the low temperature is greater than and 38.2 °F (3.5 °C). About 95% of the time, the low temperature has been between 5.7 °F (-14.6 °C) and 54.1 °F (12.3 °C).

Frost

On January 30 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 56.8% 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:

WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1991

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