Station information
- Integrated Surface Dataset (ISD) station ID: 998499
- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 12 in NORTHERLY ISLAND the average high temperature is 40.6 °F (4.8 °C). The lowest recored high temperature was 20.5 °F (-6.4 °C) in 2013 and the highest recored high temperature was 59.0 °F (15.0 °C) in 2021. The high temperature is usually* between 33.7 °F (0.9 °C) and 47.5 °F (8.6 °C). About a quarter of the time, the high temperature is less than 33.7 °F (0.9 °C), and another quarter of the time, the high temperature is greater than and 47.5 °F (8.6 °C). About 95% of the time, the high temperature has been between 20.6 °F (-6.4 °C) and 60.6 °F (15.9 °C).
Low Temperatures
On December 12 in NORTHERLY ISLAND the average low temperature is 25.9 °F (-3.4 °C). The lowest recored low temperature was -0.4 °F (-18.0 °C) in 2013 and the lowest recored low temperature was 43.0 °F (6.1 °C) in 2015. The low temperature is usually* between 18.5 °F (-7.5 °C) and 33.2 °F (0.7 °C). About a quarter of the time, the low temperature is less than 18.5 °F (-7.5 °C), and another quarter of the time, the low temperature is greater than and 33.2 °F (0.7 °C). About 95% of the time, the low temperature has been between 4.5 °F (-15.3 °C) and 47.2 °F (8.4 °C).
Frost
On December 12 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 71.3% 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