Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On January 1 in WILMETTE (CGS) the average high temperature is 29.4 °F (-1.5 °C). The lowest recored high temperature was 19.0 °F (-7.2 °C) in 1988 and the highest recored high temperature was 32.0 °F (0.0 °C) in 1989. The high temperature is usually* between 24.4 °F (-4.2 °C) and 34.3 °F (1.3 °C). About a quarter of the time, the high temperature is less than 24.4 °F (-4.2 °C), and another quarter of the time, the high temperature is greater than and 34.3 °F (1.3 °C). About 95% of the time, the high temperature has been between 15.0 °F (-9.4 °C) and 43.7 °F (6.5 °C).
Low Temperatures
On January 1 in WILMETTE (CGS) the average low temperature is 16.9 °F (-8.4 °C). The lowest recored low temperature was 0.1 °F (-17.7 °C) in 1988 and the lowest recored low temperature was 27.1 °F (-2.7 °C) in 1990. The low temperature is usually* between 10.5 °F (-12.0 °C) and 23.4 °F (-4.8 °C). About a quarter of the time, the low temperature is less than 10.5 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 23.4 °F (-4.8 °C). About 95% of the time, the low temperature has been between -1.8 °F (-18.8 °C) and 35.7 °F (2.0 °C).
Frost
On January 1 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 94.2% 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 1988 to 1991