- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On January 31 in WILMETTE (CGS) the average high temperature is 45.1 °F (7.3 °C). The lowest recored high temperature was 28.0 °F (-2.2 °C) in 1991 and the highest recored high temperature was 63.9 °F (17.7 °C) in 1989. The high temperature is usually* between 36.4 °F (2.4 °C) and 53.7 °F (12.1 °C). About a quarter of the time, the high temperature is less than 36.4 °F (2.4 °C), and another quarter of the time, the high temperature is greater than and 53.7 °F (12.1 °C). About 95% of the time, the high temperature has been between 20.0 °F (-6.7 °C) and 70.1 °F (21.2 °C).
Low Temperatures
On January 31 in WILMETTE (CGS) the average low temperature is 29.5 °F (-1.4 °C). The lowest recored low temperature was 13.1 °F (-10.5 °C) in 1991 and the lowest recored low temperature was 50.9 °F (10.5 °C) in 1988. The low temperature is usually* between 21.0 °F (-6.1 °C) and 38.1 °F (3.4 °C). About a quarter of the time, the low temperature is less than 21.0 °F (-6.1 °C), and another quarter of the time, the low temperature is greater than and 38.1 °F (3.4 °C). About 95% of the time, the low temperature has been between 4.8 °F (-15.1 °C) and 54.3 °F (12.4 °C).
Frost
On January 31 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 57.7% 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