- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On December 29 in NORTHERLY ISLAND the average high temperature is 40.4 °F (4.7 °C). The lowest recored high temperature was 14.5 °F (-9.7 °C) in 2017 and the highest recored high temperature was 57.9 °F (14.4 °C) in 2019. The high temperature is usually* between 32.9 °F (0.5 °C) and 48.0 °F (8.9 °C). About a quarter of the time, the high temperature is less than 32.9 °F (0.5 °C), and another quarter of the time, the high temperature is greater than and 48.0 °F (8.9 °C). About 95% of the time, the high temperature has been between 18.5 °F (-7.5 °C) and 62.3 °F (16.8 °C).
Low Temperatures
On December 29 in NORTHERLY ISLAND the average low temperature is 25.8 °F (-3.4 °C). The lowest recored low temperature was 5.0 °F (-15.0 °C) in 2017 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 2024. The low temperature is usually* between 19.0 °F (-7.2 °C) and 32.6 °F (0.3 °C). About a quarter of the time, the low temperature is less than 19.0 °F (-7.2 °C), and another quarter of the time, the low temperature is greater than and 32.6 °F (0.3 °C). About 95% of the time, the low temperature has been between 6.1 °F (-14.4 °C) and 45.5 °F (7.5 °C).
Frost
On December 29 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 73.2% 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