Our weather plays a dramatic role

It is said that weather plays a dramatic role at Crater Lake National Park and visitors should be prepared during any time of the year. We advise you to check weather websites for current forecasts as the weather can fluctuate. View our Crater Cam for a current view of Crater Lake near the Crater Lake Lodge.

Winter

Winter temperatures (January – March) average 19 ºF (-7 ºC) at night and 36 ºF (2 ºC) during the day. Crater Lake stands at an elevation of 7,100 feet. The average snowfall in winter is 533 inches. Snow pack on the ground ranges from 3 feet to 10 feet. Winter snow melt is unpredictable, but generally occurs by the first part of July.

Summer

Summer temperatures (July – September) average 40 ºF (4 ºC) at night and 70 ºF (21 ºC) during the day. During August temperatures can exceed 80 ºF. Visitors to Crater Lake should plan on packing a jacket or windbreaker in the summer and warm waterproof clothing in the winter; sunscreen and sunglasses are advisable year-round.

Climate Chart

°F Avg.
High
Avg.
Low
Avg.
Snowfall
(inches)
Avg.
Depth
(inches)
Avg.
Lake
Temp °F
Jan 34 18 105 80 38
Feb 35 18 84 104 37
Mar 37 19 84 117 37
Apr 43 23 45 112 38
May 50 29 20 77 40
Jun 58 34 4 24 45
Jul 69 41 0.2 1 55
Aug 69 41 0.1 0 59
Sep 63 37 3 0 57
Oct 52 31 22 2 51
Nov 40 24 64 17 44
Dec 35 20 94 49 40
°C Avg.
High
Avg.
Low
Avg.
Snowfall
(cm)
Avg.
Depth
(cm)
Avg.
Lake
Temp °C
Jan 1 -8 267 203 4
Feb 2 -8 213 264 3
Mar 3 -7 213 297 3
Apr 6 -5 114 284 3
May 10 -2 51 196 4
Jun 14 1 10 61 7
Jul 21 5 0.5 3 13
Aug 21 5 0.3 0 15
Sep 17 3 8 0 14
Oct 11 -1 56 5 10
Nov 4 -4 163 43 7
Dec -2 -7 239 124 4

Source: National Park Service, U.S. Department of the Interior