- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 25 in WILMETTE (CGS) the average high temperature is 31.4 °F (-0.3 °C). The lowest recored high temperature was 27.1 °F (-2.7 °C) in 1990 and the highest recored high temperature was 36.9 °F (2.7 °C) in 1988. The high temperature is usually* between 24.3 °F (-4.3 °C) and 38.6 °F (3.6 °C). About a quarter of the time, the high temperature is less than 24.3 °F (-4.3 °C), and another quarter of the time, the high temperature is greater than and 38.6 °F (3.6 °C). About 95% of the time, the high temperature has been between 10.8 °F (-11.8 °C) and 52.1 °F (11.2 °C).
Low Temperatures
On December 25 in WILMETTE (CGS) the average low temperature is 17.0 °F (-8.3 °C). The lowest recored low temperature was 13.1 °F (-10.5 °C) in 1990 and the lowest recored low temperature was 32.9 °F (0.5 °C) in 1987. The low temperature is usually* between 7.4 °F (-13.7 °C) and 26.6 °F (-3.0 °C). About a quarter of the time, the low temperature is less than 7.4 °F (-13.7 °C), and another quarter of the time, the low temperature is greater than and 26.6 °F (-3.0 °C). About 95% of the time, the low temperature has been between -11.0 °F (-23.9 °C) and 44.9 °F (7.2 °C).
Frost
On December 25 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 85.4% 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