World sea water temperatures

Water temperature in Monroe Harbor (IL) in July

Is it warm enough to swim in Monroe Harbor in July? Average water temperature in Monroe Harbor in July is 71.2°F and therefore suitable for comfortable swimming. The warmest water in Monroe Harbor in July is 78.4°F, and the coldest is 60.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Monroe Harbor

Changes water temperature in Monroe Harbor in July 2025, 2024

To get an accurate forecast for the water temperature in Monroe Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Monroe Harbor, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 173.4°F66.9°F60.8°F73.4°F
July 273.6°F66.7°F61.2°F73.6°F
July 374.1°F67.8°F61.7°F74.1°F
July 474.5°F68.2°F62.8°F74.5°F
July 574.7°F69.6°F63.7°F75.2°F
July 673.8°F69.1°F62.8°F76.3°F
July 772°F69.8°F63.7°F77.5°F
July 870.9°F70.3°F64.4°F77.2°F
July 972.3°F71.1°F64.8°F78.4°F
July 1071.6°F69.1°F65.7°F76.3°F
July 1172.5°F69.4°F65.8°F75.2°F
July 1273.9°F71.1°F66.4°F75.2°F
July 1373.8°F71.8°F66°F74.7°F
July 1473.9°F71.8°F65.7°F74.5°F
July 1574.5°F72.1°F65.8°F75°F
Day 2025 2024 Min Max
July 1675.2°F72°F65.8°F75.9°F
July 1773.4°F72.1°F67.6°F76.6°F
July 1873°F72.1°F66.9°F77.7°F
July 1972.3°F71.2°F67.6°F76.8°F
July 2072°F71.8°F67.5°F76.3°F
July 2172°F72°F68.7°F76.1°F
July 2272.3°F72.5°F69.3°F76.6°F
July 2373.6°F73.4°F68.5°F77.4°F
July 2474.1°F73.2°F67.6°F77.5°F
July 2574.3°F73.2°F66.6°F77.4°F
July 2674.5°F73.6°F67.3°F76.5°F
July 2775.9°F73.8°F67.8°F76.3°F
July 2876.8°F74.1°F66.4°F76.8°F
July 2977.2°F74.1°F65.8°F77.2°F
July 3076.8°F74.7°F66.7°F76.8°F
July 3176.3°F75.6°F67.8°F76.6°F
Monroe Harbor water temp chart in July

Average water temperature in Monroe Harbor in July over a decade

20162017201820192020
72.3°F70.3°F71.1°F68.7°F74.8°F
20212022202320242025
70.7°F71.8°F70.5°F71.4°F73.8°F

Monroe Harbor sea state in July

Chart comparing the height of waves in Monroe Harbor in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Monroe Harbor in July

Monroe Harbor water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in July?

Want to know where the water temperature in July is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Oak Street Beach71.2°F60.8°F78.1°F
North Avenue Beach71.2°F60.8°F78.1°F
Montrose Beach70.9°F60.1°F77.9°F
Foster Beach70.9°F60.1°F77.9°F
South Shore Beach71.6°F61.5°F79.3°F
Calumet Park71.6°F61.7°F80.1°F
Hammond71.6°F62.2°F79.7°F
Wilmette70.7°F59.7°F77.9°F
Winnetka70.5°F59.7°F77.9°F
Gary71.8°F63.1°F79.2°F

Illinois photo gallery

  • Dead River Closed Mouth Sand Band
  • Montrose Beach pier
  • Rogers Park
  • Montrose Beach pier

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Illinois best beach

Current rating: (0 votes cast)

If you know this place (Monroe Harbor) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

Get widget or API for your website

Our report for Monroe Harbor is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Contact us: admin@seatemperature.info
privacy policy