Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 27 in WILMETTE (CGS) the average high temperature is 31.5 °F (-0.3 °C). The lowest recored high temperature was 24.1 °F (-4.4 °C) in 1990 and the highest recored high temperature was 38.8 °F (3.8 °C) in 1988. The high temperature is usually* between 27.9 °F (-2.3 °C) and 35.0 °F (1.6 °C). About a quarter of the time, the high temperature is less than 27.9 °F (-2.3 °C), and another quarter of the time, the high temperature is greater than and 35.0 °F (1.6 °C). About 95% of the time, the high temperature has been between 21.3 °F (-6.0 °C) and 41.7 °F (5.4 °C).
Low Temperatures
On December 27 in WILMETTE (CGS) the average low temperature is 18.0 °F (-7.8 °C). The lowest recored low temperature was 6.1 °F (-14.4 °C) in 1989 and the lowest recored low temperature was 31.1 °F (-0.5 °C) in 1988. The low temperature is usually* between 10.4 °F (-12.0 °C) and 25.6 °F (-3.6 °C). About a quarter of the time, the low temperature is less than 10.4 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 25.6 °F (-3.6 °C). About 95% of the time, the low temperature has been between -4.0 °F (-20.0 °C) and 40.0 °F (4.5 °C).
Frost
On December 27 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 89.4% 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