- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On May 19 in WILMETTE (CGS) the average high temperature is 64.6 °F (18.1 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1989 and the highest recored high temperature was 68.9 °F (20.5 °C) in 1990. The high temperature is usually* between 59.3 °F (15.2 °C) and 69.8 °F (21.0 °C). About a quarter of the time, the high temperature is less than 59.3 °F (15.2 °C), and another quarter of the time, the high temperature is greater than and 69.8 °F (21.0 °C). About 95% of the time, the high temperature has been between 49.3 °F (9.6 °C) and 79.8 °F (26.6 °C).
Low Temperatures
On May 19 in WILMETTE (CGS) the average low temperature is 51.3 °F (10.7 °C). The lowest recored low temperature was 49.8 °F (9.9 °C) in 1990 and the lowest recored low temperature was 57.9 °F (14.4 °C) in 1989. The low temperature is usually* between 48.4 °F (9.1 °C) and 54.2 °F (12.3 °C). About a quarter of the time, the low temperature is less than 48.4 °F (9.1 °C), and another quarter of the time, the low temperature is greater than and 54.2 °F (12.3 °C). About 95% of the time, the low temperature has been between 42.8 °F (6.0 °C) and 59.7 °F (15.4 °C).
Frost
On May 19 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 1989 to 1990