Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 13 in WILMETTE (CGS) the average high temperature is 34.6 °F (1.5 °C). The lowest recored high temperature was 19.0 °F (-7.2 °C) in 1989 and the highest recored high temperature was 43.9 °F (6.6 °C) in 1990. The high temperature is usually* between 26.9 °F (-2.8 °C) and 42.3 °F (5.7 °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 42.3 °F (5.7 °C). About 95% of the time, the high temperature has been between 12.2 °F (-11.0 °C) and 57.0 °F (13.9 °C).
Low Temperatures
On December 13 in WILMETTE (CGS) the average low temperature is 23.3 °F (-4.8 °C). The lowest recored low temperature was 8.1 °F (-13.3 °C) in 1989 and the lowest recored low temperature was 32.0 °F (0.0 °C) in 1987. The low temperature is usually* between 14.1 °F (-10.0 °C) and 32.5 °F (0.3 °C). About a quarter of the time, the low temperature is less than 14.1 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 32.5 °F (0.3 °C). About 95% of the time, the low temperature has been between -3.4 °F (-19.7 °C) and 50.0 °F (10.0 °C).
Frost
On December 13 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 73.9% 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