Lake Powell water temp
The swimming season in Lake Powell lasts from June to October. During those months, Lake Powell water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Lake Powell in winter reaches 45.9°F, in spring 56.7°F, in summer the average temperature rises to 76.3°F, and in autumn it is 68°F.
Lake Powell water temperature now
You may also be interested in other sections of our site for Lake Powell: Sunrise and Sunset
Lake Powell water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Lake Powell. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years.
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 45°F | 44.2°F | 47.5°F | cold |
| February | 44.8°F | 43.3°F | 47.1°F | cold |
| March | 52.9°F | 50.4°F | 54.1°F | cold |
| April | 54.1°F | 52.9°F | 55.6°F | cold |
| May | 63°F | 62.1°F | 64.2°F | cold |
| June | 70.9°F | 68.9°F | 72.3°F | warm |
| July | 77.9°F | 75.9°F | 80.2°F | hot |
| August | 79.9°F | 77.2°F | 81.1°F | hot |
| September | 73.9°F | 71.8°F | 75.7°F | warm |
| October | 68.9°F | 66.9°F | 70.2°F | warm |
| November | 61°F | 59.7°F | 63.7°F | cold |
| December | 47.8°F | 45.3°F | 48.4°F | cold |
Chart monthly average water temperature in Lake Powell
Current temperature and weather
Data in a table show Lake Powell temperature today (September 28, 2025). For more information and forecast for a few days, go to the weather forecast Lake Powell.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 61.5°F | 60.6°F | 57.9°F | 61.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 68.5°F | 73°F | 70.3°F | 61.5°F |
