- Country: US
- State: IL
- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On April 13 in WILMETTE (CGS) the average high temperature is 52.2 °F (11.2 °C). The lowest recored high temperature was 41.9 °F (5.5 °C) in 1989 and the highest recored high temperature was 68.9 °F (20.5 °C) in 1988. The high temperature is usually* between 44.6 °F (7.0 °C) and 59.9 °F (15.5 °C). About a quarter of the time, the high temperature is less than 44.6 °F (7.0 °C), and another quarter of the time, the high temperature is greater than and 59.9 °F (15.5 °C). About 95% of the time, the high temperature has been between 30.0 °F (-1.1 °C) and 74.5 °F (23.6 °C).
Low Temperatures
On April 13 in WILMETTE (CGS) the average low temperature is 36.5 °F (2.5 °C). The lowest recored low temperature was 26.1 °F (-3.3 °C) in 1989 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 1988. The low temperature is usually* between 32.3 °F (0.2 °C) and 40.7 °F (4.8 °C). About a quarter of the time, the low temperature is less than 32.3 °F (0.2 °C), and another quarter of the time, the low temperature is greater than and 40.7 °F (4.8 °C). About 95% of the time, the low temperature has been between 24.3 °F (-4.3 °C) and 48.7 °F (9.3 °C).
Frost
On April 13 in WILMETTE (CGS) expect the temperatures to drop below freezing for a risk of frost about 23.4% 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