- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 13 in WILMETTE (CGS) the average high temperature is 58.9 °F (14.9 °C). The lowest recored high temperature was 49.8 °F (9.9 °C) in 1989 and the highest recored high temperature was 79.0 °F (26.1 °C) in 1988. The high temperature is usually* between 52.7 °F (11.5 °C) and 65.1 °F (18.4 °C). About a quarter of the time, the high temperature is less than 52.7 °F (11.5 °C), and another quarter of the time, the high temperature is greater than and 65.1 °F (18.4 °C). About 95% of the time, the high temperature has been between 41.0 °F (5.0 °C) and 76.8 °F (24.9 °C).
Low Temperatures
On May 13 in WILMETTE (CGS) the average low temperature is 46.4 °F (8.0 °C). The lowest recored low temperature was 45.0 °F (7.2 °C) in 1990 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1988. The low temperature is usually* between 44.5 °F (6.9 °C) and 48.3 °F (9.1 °C). About a quarter of the time, the low temperature is less than 44.5 °F (6.9 °C), and another quarter of the time, the low temperature is greater than and 48.3 °F (9.1 °C). About 95% of the time, the low temperature has been between 40.9 °F (4.9 °C) and 51.9 °F (11.1 °C).
Frost
On May 13 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