- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 14 in WILMETTE (CGS) the average high temperature is 33.7 °F (0.9 °C). The lowest recored high temperature was 21.0 °F (-6.1 °C) in 1989 and the highest recored high temperature was 45.9 °F (7.7 °C) in 1988. The high temperature is usually* between 26.9 °F (-2.8 °C) and 40.5 °F (4.7 °C). About a quarter of the time, the high temperature is less than 26.9 °F (-2.8 °C), and another quarter of the time, the high temperature is greater than and 40.5 °F (4.7 °C). About 95% of the time, the high temperature has been between 13.9 °F (-10.0 °C) and 53.5 °F (11.9 °C).
Low Temperatures
On December 14 in WILMETTE (CGS) the average low temperature is 22.1 °F (-5.5 °C). The lowest recored low temperature was 3.0 °F (-16.1 °C) in 1989 and the lowest recored low temperature was 36.9 °F (2.7 °C) in 1988. The low temperature is usually* between 14.2 °F (-9.9 °C) and 30.1 °F (-1.1 °C). About a quarter of the time, the low temperature is less than 14.2 °F (-9.9 °C), and another quarter of the time, the low temperature is greater than and 30.1 °F (-1.1 °C). About 95% of the time, the low temperature has been between -0.8 °F (-18.2 °C) and 45.1 °F (7.3 °C).
Frost
On December 14 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 80.0% 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