Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 8 in WILMETTE (CGS) the average high temperature is 39.6 °F (4.2 °C). The lowest recored high temperature was 25.2 °F (-3.8 °C) in 1989 and the highest recored high temperature was 48.9 °F (9.4 °C) in 1987. The high temperature is usually* between 32.5 °F (0.3 °C) and 46.7 °F (8.2 °C). About a quarter of the time, the high temperature is less than 32.5 °F (0.3 °C), and another quarter of the time, the high temperature is greater than and 46.7 °F (8.2 °C). About 95% of the time, the high temperature has been between 18.9 °F (-7.3 °C) and 60.3 °F (15.7 °C).
Low Temperatures
On December 8 in WILMETTE (CGS) the average low temperature is 27.4 °F (-2.6 °C). The lowest recored low temperature was 16.2 °F (-8.8 °C) in 1989 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 1987. The low temperature is usually* between 21.1 °F (-6.1 °C) and 33.7 °F (0.9 °C). About a quarter of the time, the low temperature is less than 21.1 °F (-6.1 °C), and another quarter of the time, the low temperature is greater than and 33.7 °F (0.9 °C). About 95% of the time, the low temperature has been between 9.2 °F (-12.7 °C) and 45.6 °F (7.6 °C).
Frost
On December 8 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 69.0% 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