- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 19 in NORTHERLY ISLAND the average high temperature is 37.5 °F (3.1 °C). The lowest recored high temperature was 21.0 °F (-6.1 °C) in 2016 and the highest recored high temperature was 49.6 °F (9.8 °C) in 2017. The high temperature is usually* between 32.7 °F (0.4 °C) and 42.3 °F (5.7 °C). About a quarter of the time, the high temperature is less than 32.7 °F (0.4 °C), and another quarter of the time, the high temperature is greater than and 42.3 °F (5.7 °C). About 95% of the time, the high temperature has been between 23.6 °F (-4.7 °C) and 51.4 °F (10.8 °C).
Low Temperatures
On December 19 in NORTHERLY ISLAND the average low temperature is 23.6 °F (-4.7 °C). The lowest recored low temperature was -3.8 °F (-19.9 °C) in 2016 and the lowest recored low temperature was 40.3 °F (4.6 °C) in 2017. The low temperature is usually* between 16.6 °F (-8.6 °C) and 30.5 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 16.6 °F (-8.6 °C), and another quarter of the time, the low temperature is greater than and 30.5 °F (-0.8 °C). About 95% of the time, the low temperature has been between 3.3 °F (-15.9 °C) and 43.8 °F (6.6 °C).
Frost
On December 19 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 79.3% 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