Grand Canyon — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Grand Canyon, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Grand Canyon today is 10°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 5 | 8.1°C | 14.0°C | |
| OCT 6 | 8.3°C | 14.0°C | |
| OCT 7 | 9.9°C | 14.0°C | |
| OCT 8 | 9.2°C | 14.0°C | |
| OCT 9 | 8.7°C | 14.0°C | |
| OCT 10 | 8.3°C | 14.0°C | |
| OCT 11 | 9.2°C | 14.0°C | |
| OCT 12 | 10.4°C | 14.0°C | |
| OCT 13 | 14.0°C | 10.2°C | |
| OCT 14 | 14.0°C | 10.4°C | |
| OCT 15 | 14.0°C | 10.6°C | |
| OCT 16 | 14.0°C | 10.8°C | |
| OCT 17 | 14.0°C | 11.0°C | |
| OCT 18 | 14.0°C | 11.2°C | |
| OCT 19 | 14.0°C | 11.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 1°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 3°C | 8°C | 14°C |
| April | 5°C | 11°C | 17°C |
| May | 8°C | 16°C | 23°C |
| June | 14°C | 21°C | 28°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 26°C |
| September | 11°C | 19°C | 26°C |
| October | 8°C | 14°C | 20°C |
| November | 3°C | 8°C | 16°C |
| December | 3°C | 5°C | 8°C |
Grand Canyon: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
The Colorado River, which flows through the Grand Canyon in Arizona, is a stunning but challenging location for swimming. Due to its location and the surrounding geography, the water temperature in the river remains quite cool throughout the year. In general, the water temperature of the Colorado River in the Grand Canyon ranges between 45°F (7°C) and 55°F (13°C), making it quite cold, even during the summer months. This is because the river is fed by snowmelt from the Rockies and is not directly influenced by the warm desert air.
Despite the chilly temperatures, swimming in the Colorado River is possible, but it requires some preparation. For those who are up for the cold waters, the river offers a unique and awe-inspiring experience with its crystal-clear waters and dramatic canyon surroundings. However, it’s important to note that the current can be strong, and there are certain areas where swimming might not be safe due to rapids or swift water. While the river might not be ideal for a casual swim, adventurous visitors who plan their trip carefully, often as part of a guided rafting expedition, may find the experience rewarding, even if the water temperature is a bit brisk.
During the summer, when temperatures in the canyon can exceed 100°F (38°C), the coolness of the river can be a refreshing escape, but it’s crucial to understand that swimming is typically done in controlled environments, such as during rafting trips. For more consistent and warmer swimming, most visitors to the Grand Canyon prefer to stick to pools or nearby lakes, as the Colorado River’s temperature remains on the colder side even when the surrounding air heats up.