- Latitude: 41.54
- Longitude: -87.532
High Temperatures
On May 1 in this location the average high temperature is 64.1 °F (17.8 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 2023 and the highest recored high temperature was 87.8 °F (31.0 °C) in 2007. The high temperature is usually* between 56.8 °F (13.8 °C) and 71.4 °F (21.9 °C). About a quarter of the time, the high temperature is less than 56.8 °F (13.8 °C), and another quarter of the time, the high temperature is greater than and 71.4 °F (21.9 °C). About 95% of the time, the high temperature has been between 42.9 °F (6.1 °C) and 85.3 °F (29.6 °C).
Low Temperatures
On May 1 in this location the average low temperature is 47.2 °F (8.4 °C). The lowest recored low temperature was 33.3 °F (0.7 °C) in 2021 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2010. The low temperature is usually* between 41.9 °F (5.5 °C) and 52.5 °F (11.4 °C). About a quarter of the time, the low temperature is less than 41.9 °F (5.5 °C), and another quarter of the time, the low temperature is greater than and 52.5 °F (11.4 °C). About 95% of the time, the low temperature has been between 31.8 °F (-0.1 °C) and 62.6 °F (17.0 °C).
Frost
On May 1 in this location expect the temperatures to drop below freezing for a risk of frost about 2.7% 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:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2025
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2025
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005
- LANSING MUNI — Integrated Surface Dataset (ISD) station ID: 722126 — from year 2005 to 2005
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1996
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1990
- DUNNE CRIB IL. — Integrated Surface Dataset (ISD) station ID: 744650 — from year 1944 to 1944