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Grand Junction

Water Temperature in Grand Junction in Colorado River: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Grand Junction in Colorado River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Grand Junction

13.5°C

TODAY

15.1°C

YESTERDAY

13.3°C

A WEEK AGO

As of today, the minimum water temperature in Grand Junction ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Colorado River in Grand Junction Over the Last 30 Days

Today the water temperature in Grand Junction is higher than the same day in previous years. The water temperature range here in May is from 8°C to 21°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Grand Junction are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Table of Daily Water Temperature Data

DateCurrentAverageForecast
May 213.3°C13.4°C
May 313.8°C13.4°C
May 414.0°C13.4°C
May 515.2°C13.4°C
May 615.2°C13.4°C
May 715.2°C13.4°C
May 815.1°C13.4°C
May 913.5°C13.4°C
May 1013.4°C13.5°C
May 1113.4°C13.5°C
May 1213.4°C13.5°C
May 1313.4°C13.5°C
May 1413.4°C13.5°C
May 1513.4°C13.5°C
May 1613.4°C13.5°C
May 1713.4°C13.5°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Grand Junction by Month

January

MinimumAverageMaximum
1°C5°C9°C

February

MinimumAverageMaximum
1°C5°C9°C

March

MinimumAverageMaximum
3°C6.7°C11°C

April

MinimumAverageMaximum
5°C9.9°C16°C

May

MinimumAverageMaximum
8°C13.4°C21°C

June

MinimumAverageMaximum
14°C18.5°C22°C

July

MinimumAverageMaximum
17°C20°C24°C

August

MinimumAverageMaximum
17°C21.4°C23°C

September

MinimumAverageMaximum
11°C17.6°C19°C

October

MinimumAverageMaximum
8°C13.3°C16°C

November

MinimumAverageMaximum
3°C8.1°C16°C

December

MinimumAverageMaximum
3°C4.7°C8°C

Monthly Water Temperature Histogram for Colorado River in Grand Junction

Grand Junction Weather

MAY 10

12°C / 29°C
clear sky

rain: 8% | wind: 21 km/h

MAY 11

15°C / 28°C
light drizzle

rain: 8% | wind: 27 km/h

MAY 12

16°C / 30°C
light drizzle

rain: 10% | wind: 43 km/h

MAY 13

16°C / 29°C
mainly clear

rain: 11% | wind: 52 km/h

MAY 14

6°C / 20°C
light drizzle

rain: 14% | wind: 52 km/h

Water Temperature in Grand Junction: General Trends and Swimming Opportunities

Grand Junction, Colorado, is located along the Colorado River, which is a popular spot for various water activities, especially during the warmer months. However, the water temperature in the river can be quite cold, especially in the spring and early summer when snowmelt from the mountains feeds into the river. Typically, the water temperature in the Colorado River near Grand Junction ranges from 40°F (4°C) to 60°F (16°C) in early spring. By late spring and summer, the temperature can rise slightly to about 60°F to 70°F (16°C to 21°C), making it more tolerable for brief dips or recreational activities.

Although the water is cooler, many people still enjoy floating or rafting on the Colorado River. Its swift currents make it a great location for water sports, but the chilly temperatures mean that swimming isn't the most comfortable option for extended periods. The river is often used for kayaking and paddleboarding, where the coolness of the water can actually be refreshing during the hot summer months.

For those seeking warmer swimming options, there are other recreational areas around Grand Junction that provide more suitable conditions. Nearby reservoirs like Vega Reservoir or Jumbo Reservoir offer warmer water for swimming, typically ranging from 65°F (18°C) to 75°F (24°C) during the summer months. These locations are great alternatives for those looking to enjoy a swim in a more comfortable water temperature, while still soaking in the beautiful landscapes of the region.

Geographical Location of Grand Junction

Frequently Asked Questions About Grand Junction and its Water Temperatures

What is the current water temperature in Grand Junction?

The water temperature today in Grand Junction is 56°F (13.5°C).

What is the water temperature in Grand Junction during the summer months?

The average water temperature in Grand Junction during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Grand Junction in May?

The average water temperature in Grand Junction in May ranges from 46°F to 70°F (8°C to 21°C).

What is the water temperature in Grand Junction in September?

The average water temperature in Grand Junction in September is typically between 52°F to 66°F (11°C to 19°C).

Is it possible to swim in the Colorado River in Grand Junction, and what are the available options for doing so?

Yes, it is possible to swim in the Colorado River in Grand Junction. You can swim at popular spots such as the James M. Robb-Colorado River State Park or at designated swimming areas in the river.