- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On January 12 in WILMETTE (CGS) the average high temperature is 32.8 °F (0.4 °C). The lowest recored high temperature was 30.0 °F (-1.1 °C) in 1991 and the highest recored high temperature was 40.8 °F (4.9 °C) in 1989. The high temperature is usually* between 29.6 °F (-1.3 °C) and 35.9 °F (2.2 °C). About a quarter of the time, the high temperature is less than 29.6 °F (-1.3 °C), and another quarter of the time, the high temperature is greater than and 35.9 °F (2.2 °C). About 95% of the time, the high temperature has been between 23.6 °F (-4.7 °C) and 42.0 °F (5.5 °C).
Low Temperatures
On January 12 in WILMETTE (CGS) the average low temperature is 21.3 °F (-6.0 °C). The lowest recored low temperature was 21.0 °F (-6.1 °C) in 1990 and the lowest recored low temperature was 29.1 °F (-1.6 °C) in 1989. The low temperature is usually* between 15.8 °F (-9.0 °C) and 26.7 °F (-2.9 °C). About a quarter of the time, the low temperature is less than 15.8 °F (-9.0 °C), and another quarter of the time, the low temperature is greater than and 26.7 °F (-2.9 °C). About 95% of the time, the low temperature has been between 5.5 °F (-14.7 °C) and 37.1 °F (2.8 °C).
Frost
On January 12 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 90.9% 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 1989 to 1991