Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 4 in WILMETTE (CGS) the average high temperature is 37.5 °F (3.1 °C). The lowest recored high temperature was 26.1 °F (-3.3 °C) in 1990 and the highest recored high temperature was 43.0 °F (6.1 °C) in 1988. The high temperature is usually* between 32.1 °F (0.1 °C) and 42.9 °F (6.1 °C). About a quarter of the time, the high temperature is less than 32.1 °F (0.1 °C), and another quarter of the time, the high temperature is greater than and 42.9 °F (6.1 °C). About 95% of the time, the high temperature has been between 21.8 °F (-5.6 °C) and 53.2 °F (11.8 °C).
Low Temperatures
On December 4 in WILMETTE (CGS) the average low temperature is 25.0 °F (-3.9 °C). The lowest recored low temperature was 22.1 °F (-5.5 °C) in 1990 and the lowest recored low temperature was 25.2 °F (-3.8 °C) in 1988. The low temperature is usually* between 17.8 °F (-7.9 °C) and 32.2 °F (0.1 °C). About a quarter of the time, the low temperature is less than 17.8 °F (-7.9 °C), and another quarter of the time, the low temperature is greater than and 32.2 °F (0.1 °C). About 95% of the time, the low temperature has been between 4.2 °F (-15.5 °C) and 45.8 °F (7.7 °C).
Frost
On December 4 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 74.6% 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 1987 to 1990