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John Martin Reservoir

John Martin Reservoir Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in John Martin Reservoir, 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 Lake Water Temperature Information

22.2°C

TODAY

22.2°C

YESTERDAY

21.7°C

A WEEK AGO

As of today, the minimum water temperature in the John Martin Reservoir ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

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 John Martin Reservoir Over the Last 30 Days

Today the water temperature in John Martin Reservoir is higher than the same day in previous years. The water temperature range here in September is from 19°C to 24°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 John Martin Reservoir 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.

Daily Water Temperature Chart

DateCurrentAverageForecast
Sep 721.7°C21.1°C
Sep 821.8°C21.1°C
Sep 921.3°C21.1°C
Sep 1021.3°C21.1°C
Sep 1121.5°C21.1°C
Sep 1221.5°C21.1°C
Sep 1322.2°C21.1°C
Sep 1422.2°C21.1°C
Sep 1521.1°C22.1°C
Sep 1621.1°C22.0°C
Sep 1721.1°C21.9°C
Sep 1821.1°C21.9°C
Sep 1921.1°C21.9°C
Sep 2021.1°C21.9°C
Sep 2121.1°C21.9°C
Sep 2221.1°C21.9°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 John Martin Reservoir by Month

January

MinimumAverageMaximum
1°C3.3°C6°C

February

MinimumAverageMaximum
1°C3.3°C6°C

March

MinimumAverageMaximum
1°C5.5°C10°C

April

MinimumAverageMaximum
9°C12.5°C16°C

May

MinimumAverageMaximum
14°C16.1°C19°C

June

MinimumAverageMaximum
17°C20°C23°C

July

MinimumAverageMaximum
21°C23.3°C26°C

August

MinimumAverageMaximum
22°C24.4°C27°C

September

MinimumAverageMaximum
19°C21.1°C24°C

October

MinimumAverageMaximum
15°C17.2°C20°C

November

MinimumAverageMaximum
8°C10°C12°C

December

MinimumAverageMaximum
3°C5.6°C8°C

Monthly Water Temperature Histogram for John Martin Reservoir

Known Beaches in the Area of John Martin Reservoir?

John Martin Reservoir State Park

John Martin Reservoir State Park is a 3-stars sandy beach, located in a 4 km (2 miles) radius of John Martin Reservoir. There is parking. There are restrooms. John Martin Reservoir State Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

John Martin Reservoir Weather

SEPTEMBER 14

12°C / 26°C
overcast

rain: 35% | wind: 19 km/h

SEPTEMBER 15

15°C / 32°C
clear sky

rain: 2% | wind: 20 km/h

SEPTEMBER 16

21°C / 31°C
overcast

rain: 6% | wind: 41 km/h

SEPTEMBER 17

16°C / 26°C
moderate drizzle

rain: 13% | wind: 51 km/h

SEPTEMBER 18

15°C / 27°C
light drizzle

rain: 9% | wind: 20 km/h

Water Temperature in John Martin Reservoir: General Trends and Swimming Opportunities

John Martin Reservoir is located in the state of Colorado, in the county of Bent, at an elevation of 3795 feet (1157 meters) above sea level.

John Martin Reservoir is a medium lake. Its surface area is 18.3 sq mi (47.3 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in John Martin Reservoir varies throughout the year, ranging from 34°F (1°C) in January to 81°F (27°C) in August. The average annual water temperature of the lake is 55°F (13°C). The months when the average water temperature in John Martin Reservoir exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

The nearest cities ans towns to John Martin Reservoir are: Las Animas, Lamar, La Junta in Colorado.

Geographical Location of John Martin Reservoir

Frequently Asked Questions About John Martin Reservoir and its Water Temperatures

What is the current water temperature in John Martin Reservoir?

The water temperature today in John Martin Reservoir is 72°F (22.2°C).

What is the water temperature in John Martin Reservoir during the summer months?

The average water temperature in John Martin Reservoir during the summer months is typically between 68°F to 76°F (20°C to 24°C), and it can reach up to 81°F (27°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in John Martin Reservoir in May?

The average water temperature in John Martin Reservoir in May ranges from 57°F to 66°F (14°C to 19°C).

What is the water temperature in John Martin Reservoir in September?

The average water temperature in John Martin Reservoir in September is typically between 66°F to 75°F (19°C to 24°C).

Where is John Martin Reservoir located?

John Martin Reservoir is located in the United States in the state of Colorado, in the county of Bent, at an elevation of 3795 feet (1157 meters) above sea level. The surface area of the lake is 18.259 sq mi (47.29 sq km).

Is it possible to swim in John Martin Reservoir and what are the possibilities for this?

Yes, it is possible to swim in John Martin Reservoir in Colorado. The lake offers a designated swimming area and also allows various water activities like kayaking, sailing, and fishing.

What are the coordinates of John Martin Reservoir?

John Martin Reservoir is located at coordinates 38.0710°N 103.0050°W.

Is Lake John Martin Reservoir a popular vacation spot among Americans?

John Martin Reservoir enjoys local popularity among the residents of State Colorado, and nationally, it ranks in the top 10 percent of all lakes in the country.

What species of fish can be found in John Martin Reservoir?

John Martin Reservoir is home to fish species such as Channel catfish (best caught in Spring, Summer), Largemouth bass (Spring, Fall), Sauger (Spring, Fall), Saugeye (Spring, Fall), Smallmouth bass (Spring, Fall), White bass (Spring, Summer), Walleye (Spring, Fall), Bluegill (Spring, Summer), Gar (Summer).