Arizona — Water Temperature Today and Throughout the Year

Water Temperature in Lakes and Rivers

Popular Lakes

Popular Rivers

Popular Places

Water Temperature and Swimming Overview

Water Temperature Trends

Arizona, known for its desert landscape and warm climate, offers a variety of water bodies, including rivers and lakes, where water temperatures can vary significantly depending on the time of year and the location. The temperatures in Arizona's rivers and lakes are influenced by the state's hot summers and mild winters. For instance, the waters of the Colorado River, one of the state's largest rivers, can range from around 55°F to 70°F (13°C to 21°C) during the winter months. As temperatures rise during the summer, the river's water can warm up to around 70°F to 80°F (21°C to 27°C), providing a refreshing place for water activities.

In lakes such as Lake Powell and Lake Mead, the water temperature can fluctuate throughout the year. During the summer, especially in July and August, the water temperature in these lakes can climb to around 75°F to 85°F (24°C to 29°C), making them perfect for swimming, boating, and fishing. In contrast, during the cooler months, the temperature may drop to around 55°F to 60°F (13°C to 16°C), making it less ideal for swimming but still suitable for other activities like fishing and sightseeing.

Arizona's mountain lakes, such as those in the Mogollon Rim area, tend to have cooler waters due to their higher elevation. For example, in lakes like Woods Canyon Lake or Willow Springs Lake, water temperatures may remain in the range of 55°F to 65°F (13°C to 18°C) throughout the warmer months. These cooler temperatures make them attractive for visitors looking to escape the summer heat while enjoying activities like kayaking, fishing, or simply relaxing by the shore.