- Country: US
- State: IL
- Latitude: 41.856
- Longitude: -87.609
High Temperatures
On May 22 in NORTHERLY ISLAND the average high temperature is 71.3 °F (21.8 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 2025 and the highest recored high temperature was 88.0 °F (31.1 °C) in 2024. The high temperature is usually* between 63.5 °F (17.5 °C) and 79.0 °F (26.1 °C). About a quarter of the time, the high temperature is less than 63.5 °F (17.5 °C), and another quarter of the time, the high temperature is greater than and 79.0 °F (26.1 °C). About 95% of the time, the high temperature has been between 48.6 °F (9.2 °C) and 93.9 °F (34.4 °C).
Low Temperatures
On May 22 in NORTHERLY ISLAND the average low temperature is 51.7 °F (10.9 °C). The lowest recored low temperature was 45.0 °F (7.2 °C) in 2019 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 2021. The low temperature is usually* between 47.8 °F (8.8 °C) and 55.6 °F (13.1 °C). About a quarter of the time, the low temperature is less than 47.8 °F (8.8 °C), and another quarter of the time, the low temperature is greater than and 55.6 °F (13.1 °C). About 95% of the time, the low temperature has been between 40.4 °F (4.7 °C) and 63.0 °F (17.2 °C).
Frost
On May 22 in NORTHERLY ISLAND expect the temperatures to drop below freezing for a risk of frost about 0.0% 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