January 4 - NORTHERLY ISLAND - Weather History and Averages

Station: NORTHERLY ISLAND (2012 to 2025)
Country: US
State: IL
Latitude: 41.856
Longitude: -87.609

High Temperatures

On January 4 in NORTHERLY ISLAND the average high temperature is 34.4 °F (1.4 °C). The lowest recored high temperature was 18.0 °F (-7.8 °C) in 2018 and the highest recored high temperature was 49.6 °F (9.8 °C) in 2019. The high temperature is usually^* between 28.3 °F (-2.1 °C) and 40.6 °F (4.8 °C). About a quarter of the time, the high temperature is less than 28.3 °F (-2.1 °C), and another quarter of the time, the high temperature is greater than and 40.6 °F (4.8 °C). About 95% of the time, the high temperature has been between 16.6 °F (-8.6 °C) and 52.3 °F (11.3 °C).

Low Temperatures

On January 4 in NORTHERLY ISLAND the average low temperature is 21.1 °F (-6.0 °C). The lowest recored low temperature was 4.3 °F (-15.4 °C) in 2018 and the lowest recored low temperature was 34.7 °F (1.5 °C) in 2023. The low temperature is usually^* between 14.0 °F (-10.0 °C) and 28.3 °F (-2.1 °C). About a quarter of the time, the low temperature is less than 14.0 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 28.3 °F (-2.1 °C). About 95% of the time, the low temperature has been between 0.4 °F (-17.6 °C) and 41.9 °F (5.5 °C).

Frost

On January 4 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 84.8% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

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

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