Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 22 in NORTHERLY ISLAND the average high temperature is 40.8 °F (4.9 °C). The lowest recored high temperature was 32.2 °F (0.1 °C) in 2024 and the highest recored high temperature was 54.0 °F (12.2 °C) in 2015. The high temperature is usually* between 34.4 °F (1.3 °C) and 47.3 °F (8.5 °C). About a quarter of the time, the high temperature is less than 34.4 °F (1.3 °C), and another quarter of the time, the high temperature is greater than and 47.3 °F (8.5 °C). About 95% of the time, the high temperature has been between 22.1 °F (-5.5 °C) and 59.5 °F (15.3 °C).
Low Temperatures
On December 22 in NORTHERLY ISLAND the average low temperature is 27.3 °F (-2.6 °C). The lowest recored low temperature was 10.4 °F (-12.0 °C) in 2022 and the lowest recored low temperature was 36.5 °F (2.5 °C) in 2015. The low temperature is usually* between 20.9 °F (-6.2 °C) and 33.6 °F (0.9 °C). About a quarter of the time, the low temperature is less than 20.9 °F (-6.2 °C), and another quarter of the time, the low temperature is greater than and 33.6 °F (0.9 °C). About 95% of the time, the low temperature has been between 8.8 °F (-12.9 °C) and 45.7 °F (7.6 °C).
Frost
On December 22 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 69.3% 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:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024