Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 29 in WILMETTE (CGS) the average high temperature is 32.1 °F (0.0 °C). The lowest recored high temperature was 20.1 °F (-6.6 °C) in 1988 and the highest recored high temperature was 40.8 °F (4.9 °C) in 1990. The high temperature is usually* between 28.1 °F (-2.1 °C) and 36.0 °F (2.2 °C). About a quarter of the time, the high temperature is less than 28.1 °F (-2.1 °C), and another quarter of the time, the high temperature is greater than and 36.0 °F (2.2 °C). About 95% of the time, the high temperature has been between 20.7 °F (-6.3 °C) and 43.5 °F (6.4 °C).
Low Temperatures
On December 29 in WILMETTE (CGS) the average low temperature is 23.0 °F (-5.0 °C). The lowest recored low temperature was 8.1 °F (-13.3 °C) in 1988 and the lowest recored low temperature was 32.9 °F (0.5 °C) in 1990. The low temperature is usually* between 17.2 °F (-8.2 °C) and 28.8 °F (-1.8 °C). About a quarter of the time, the low temperature is less than 17.2 °F (-8.2 °C), and another quarter of the time, the low temperature is greater than and 28.8 °F (-1.8 °C). About 95% of the time, the low temperature has been between 6.2 °F (-14.3 °C) and 39.9 °F (4.4 °C).
Frost
On December 29 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 85.2% 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