- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On January 31 in NORTHERLY ISLAND the average high temperature is 35.0 °F (1.6 °C). The lowest recored high temperature was -1.5 °F (-18.6 °C) in 2019 and the highest recored high temperature was 48.9 °F (9.4 °C) in 2016. The high temperature is usually* between 27.1 °F (-2.7 °C) and 42.8 °F (6.0 °C). About a quarter of the time, the high temperature is less than 27.1 °F (-2.7 °C), and another quarter of the time, the high temperature is greater than and 42.8 °F (6.0 °C). About 95% of the time, the high temperature has been between 12.3 °F (-11.0 °C) and 57.7 °F (14.3 °C).
Low Temperatures
On January 31 in NORTHERLY ISLAND the average low temperature is 20.6 °F (-6.4 °C). The lowest recored low temperature was -20.9 °F (-29.4 °C) in 2019 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 2016. The low temperature is usually* between 10.8 °F (-11.8 °C) and 30.3 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 10.8 °F (-11.8 °C), and another quarter of the time, the low temperature is greater than and 30.3 °F (-0.9 °C). About 95% of the time, the low temperature has been between -7.8 °F (-22.1 °C) and 49.0 °F (9.4 °C).
Frost
On January 31 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 78.5% 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 2013 to 2025