Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 7 in WILMETTE (CGS) the average high temperature is 39.9 °F (4.4 °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 1988. The high temperature is usually* between 33.9 °F (1.1 °C) and 45.9 °F (7.7 °C). About a quarter of the time, the high temperature is less than 33.9 °F (1.1 °C), and another quarter of the time, the high temperature is greater than and 45.9 °F (7.7 °C). About 95% of the time, the high temperature has been between 22.5 °F (-5.3 °C) and 57.4 °F (14.1 °C).
Low Temperatures
On December 7 in WILMETTE (CGS) the average low temperature is 28.0 °F (-2.2 °C). The lowest recored low temperature was 14.2 °F (-9.9 °C) in 1989 and the lowest recored low temperature was 34.9 °F (1.6 °C) in 1988. The low temperature is usually* between 22.5 °F (-5.3 °C) and 33.5 °F (0.8 °C). About a quarter of the time, the low temperature is less than 22.5 °F (-5.3 °C), and another quarter of the time, the low temperature is greater than and 33.5 °F (0.8 °C). About 95% of the time, the low temperature has been between 12.0 °F (-11.1 °C) and 44.0 °F (6.7 °C).
Frost
On December 7 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 68.9% 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