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Month

Average
High

Average
Low

Average Lake
Water Temperature

January

45 F

24 F

47 F

February

53 F

31 F

46 F

March

61 F

36 F

52 F

April

72 F

46 F

54 F

May

82 F

53 F

64 F

June

90 F

6 F2

70 F

July

97 F

71 F

76 F

August

94 F

69 F

80 F

September

88 F

60 F

76 F

October

77 F

4 F6

69 F

November

59 F

36 F

62 F

December

45 F

25 F

53 F

"The water temperature of the Colorado River between the dam and Lees Ferry is approximately 46F all year.

 

Shelly James
Canyon Country Online, LLC