- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 10 in WILMETTE (CGS) the average high temperature is 40.1 °F (4.5 °C). The lowest recored high temperature was 32.9 °F (0.5 °C) in 1989 and the highest recored high temperature was 49.8 °F (9.9 °C) in 1990. The high temperature is usually* between 32.4 °F (0.2 °C) and 47.8 °F (8.8 °C). About a quarter of the time, the high temperature is less than 32.4 °F (0.2 °C), and another quarter of the time, the high temperature is greater than and 47.8 °F (8.8 °C). About 95% of the time, the high temperature has been between 17.6 °F (-8.0 °C) and 62.6 °F (17.0 °C).
Low Temperatures
On December 10 in WILMETTE (CGS) the average low temperature is 27.5 °F (-2.5 °C). The lowest recored low temperature was 16.2 °F (-8.8 °C) in 1988 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 1987. The low temperature is usually* between 20.3 °F (-6.5 °C) and 34.8 °F (1.5 °C). About a quarter of the time, the low temperature is less than 20.3 °F (-6.5 °C), and another quarter of the time, the low temperature is greater than and 34.8 °F (1.5 °C). About 95% of the time, the low temperature has been between 6.5 °F (-14.1 °C) and 48.5 °F (9.2 °C).
Frost
On December 10 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 66.2% 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