- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On December 15 in WILMETTE (MARINES)& the average high temperature is 37.5 °F (3.1 °C). The lowest recored high temperature was 34.9 °F (1.6 °C) in 1995 and the highest recored high temperature was 39.9 °F (4.4 °C) in 1976. The high temperature is usually* between 34.8 °F (1.5 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the high temperature is less than 34.8 °F (1.5 °C), and another quarter of the time, the high temperature is greater than and 40.3 °F (4.6 °C). About 95% of the time, the high temperature has been between 29.5 °F (-1.4 °C) and 45.6 °F (7.5 °C).
Low Temperatures
On December 15 in WILMETTE (MARINES)& the average low temperature is 27.4 °F (-2.5 °C). The lowest recored low temperature was 22.1 °F (-5.5 °C) in 1976 and the lowest recored low temperature was 31.1 °F (-0.5 °C) in 1977. The low temperature is usually* between 23.1 °F (-5.0 °C) and 31.7 °F (-0.1 °C). About a quarter of the time, the low temperature is less than 23.1 °F (-5.0 °C), and another quarter of the time, the low temperature is greater than and 31.7 °F (-0.1 °C). About 95% of the time, the low temperature has been between 14.8 °F (-9.5 °C) and 40.0 °F (4.4 °C).
Frost
On December 15 in WILMETTE (MARINES)& expect the temperatures to drop below freezing for a risk of frost about 76.3% 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 1995