Weather in Mount Rainier

Mount Rainier National Park is part of the Pacific maritime climate. This leads to wet, mild winters and cool, dry summers. Elevation greatly influences the form the huge amount of winter precipitation takes. At Ohanapecosh and Longmire, at lower elevations, much of it falls as rain. At Paradise and Sunrise, at higher elevation, and of course on Mount Rainier itself, it mostly falls as snow. Paradise ranks as one of the highest snowfall areas in the world. The record occurred the winter of 1971-1972, with an unbelievable 1,122 inches, or nearly 100 feet. The average is around 500 inches.

Mountain weather is very changeable. Wet, cold weather can occur anytime of the year. While late July and August are usually the driest, warmest time of the year, summer can also be wet and cool. The statistics below are taken from the Longmire area. Paradise and Sunrise typically are 5-10°F cooler.

Current Weather in the Mount Rainier Region

Averages and Records at Mount Rainier

Month	Avg High	Avg Low	Record High	Record Low	Avg Precip
January	36	26	57	-3	11.71
February	40	27	68	-3	8.15
March	45	29	71	11	7.45
April	51	31	87	19	5.71
May	58	37	95	26	4.83
June	65	42	92	30	3.86
July	73	46	99	34	1.62
August	74	47	99	34	1.52
September	68	42	101	27	3.56
October	56	36	88	19	7.89
November	42	30	61	1	13.39
December	36	26	54	-8	10.47

All temperatures are reported in Fahrenheit. All precipitation is reported in inches.