Current Water Temperature
at Yellowstone River At Billings MT

Yesterday's water temperature for Yellowstone River At Billings MT was between 64.22°F and 70.52°F with an average of 67.46°F. This is cooler than the historical average for July.

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Water temperature by month

Month Average Temperature (°F) Average Temperature (°C)
January 31.96 -0.03
February 32.37 0.21
March 40.44 4.69
April 47.85 8.81
May 55.18 12.88
June 59.98 15.54
July 70.18 21.21
August 70.18 21.21
September 62.07 16.71
October 49.05 9.47
November 37.79 3.22
December 33.23 0.68

These monthly temperatures are averages of the available data from the following years: 2024, 2023, 2022, 2021, 2020.

Site location

  • Latitude: 45.8001194
  • Longitude: -108.4680306
  • Altitude: 3081.36 feet
  • Altitude Accuracy: Within .1 feet
  • Map: View on Google Maps

About this data

This data was sourced from the US Geological Survey, "the science arm of the Department of the Interior bringing an array of earth, water, biological, and mapping data and expertise to bear in support of decision-making on environmental, resource, and public safety issues."

  • Agency: USGS
  • Site Number: 06214500
  • Site Name: Yellowstone River At Billings Mt
  • Hydrologic Unit Code: 10070004

Is it warm enough for swimming?

Water temperatures can vary significantly based on the location and time of year. Generally, swimming is considered comfortable in water temperatures between 78°F (25°C) and 82°F (28°C). Cooler temperatures can be refreshing, but if the water temperature drops below 70°F (21°C), prolonged exposure can be uncomfortable without a wetsuit.

Should you wear a wetsuit?

Wetsuits provide insulation and buoyancy, making them ideal for swimming in cooler waters. Here are some general guidelines for wetsuit use:

  • 70°F (21°C) and above: No wetsuit needed for most people.
  • 65°F - 70°F (18°C - 21°C): A thin wetsuit (2mm - 3mm) is recommended.
  • 60°F - 65°F (15°C - 18°C): A thicker wetsuit (4mm - 5mm) is recommended.
  • Below 60°F (15°C): A full wetsuit with a hood, gloves, and booties is recommended for safety and comfort.