- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On February 1 in WILMETTE (CGS) the average high temperature is 42.8 °F (6.0 °C). The lowest recored high temperature was 36.0 °F (2.2 °C) in 1991 and the highest recored high temperature was 63.0 °F (17.2 °C) in 1989. The high temperature is usually* between 34.0 °F (1.1 °C) and 51.6 °F (10.9 °C). About a quarter of the time, the high temperature is less than 34.0 °F (1.1 °C), and another quarter of the time, the high temperature is greater than and 51.6 °F (10.9 °C). About 95% of the time, the high temperature has been between 17.2 °F (-8.2 °C) and 68.3 °F (20.2 °C).
Low Temperatures
On February 1 in WILMETTE (CGS) the average low temperature is 29.4 °F (-1.4 °C). The lowest recored low temperature was 19.0 °F (-7.2 °C) in 1991 and the lowest recored low temperature was 36.9 °F (2.7 °C) in 1990. The low temperature is usually* between 22.3 °F (-5.4 °C) and 36.5 °F (2.5 °C). About a quarter of the time, the low temperature is less than 22.3 °F (-5.4 °C), and another quarter of the time, the low temperature is greater than and 36.5 °F (2.5 °C). About 95% of the time, the low temperature has been between 8.7 °F (-12.9 °C) and 50.1 °F (10.1 °C).
Frost
On February 1 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 59.7% 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:
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1991