Station information
- Integrated Surface Dataset (ISD) station ID: 722417
- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 12 in WILMETTE (CGS) the average high temperature is 57.2 °F (14.0 °C). The lowest recored high temperature was 48.9 °F (9.4 °C) in 1989 and the highest recored high temperature was 63.0 °F (17.2 °C) in 1988. The high temperature is usually* between 50.9 °F (10.5 °C) and 63.5 °F (17.5 °C). About a quarter of the time, the high temperature is less than 50.9 °F (10.5 °C), and another quarter of the time, the high temperature is greater than and 63.5 °F (17.5 °C). About 95% of the time, the high temperature has been between 38.9 °F (3.8 °C) and 75.5 °F (24.2 °C).
Low Temperatures
On May 12 in WILMETTE (CGS) the average low temperature is 45.5 °F (7.5 °C). The lowest recored low temperature was 43.9 °F (6.6 °C) in 1989 and the lowest recored low temperature was 52.0 °F (11.1 °C) in 1988. The low temperature is usually* between 43.1 °F (6.1 °C) and 47.9 °F (8.8 °C). About a quarter of the time, the low temperature is less than 43.1 °F (6.1 °C), and another quarter of the time, the low temperature is greater than and 47.9 °F (8.8 °C). About 95% of the time, the low temperature has been between 38.4 °F (3.6 °C) and 52.5 °F (11.4 °C).
Frost
On May 12 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.0% 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 (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1990