Station information
- Integrated Surface Dataset (ISD) station ID: 725307
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 20 in WILMETTE (MARINES)& the average high temperature is 33.2 °F (0.7 °C). The lowest recored high temperature was 31.1 °F (-0.5 °C) in 1976 and the highest recored high temperature was 41.9 °F (5.5 °C) in 1994. The high temperature is usually* between 27.7 °F (-2.4 °C) and 38.7 °F (3.7 °C). About a quarter of the time, the high temperature is less than 27.7 °F (-2.4 °C), and another quarter of the time, the high temperature is greater than and 38.7 °F (3.7 °C). About 95% of the time, the high temperature has been between 17.2 °F (-8.2 °C) and 49.2 °F (9.5 °C).
Low Temperatures
On December 20 in WILMETTE (MARINES)& the average low temperature is 22.6 °F (-5.2 °C). The lowest recored low temperature was 11.1 °F (-11.6 °C) in 1976 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 1994. The low temperature is usually* between 14.8 °F (-9.6 °C) and 30.5 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 14.8 °F (-9.6 °C), and another quarter of the time, the low temperature is greater than and 30.5 °F (-0.9 °C). About 95% of the time, the low temperature has been between -0.2 °F (-17.9 °C) and 45.4 °F (7.4 °C).
Frost
On December 20 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 79.0% 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 (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1994