Weather
 
 
Weather and Altitude: Colorado's varied terrain and location in the middle of the Rocky Mountain West result in quickly changing weather nearly year round. Colorado is the highest-altitude state in America. The state's average height is 2,073 meters above sea level. Altitude sickness, typified by headaches, nausea and/or fatigue can be contracted when travelling to a high elevation too quickly from a lower elevation. Make sure to drink more water than usual, curb alcohol and tobacco consumption, and plan to spend a night or two at an intermediate elevation (such as Denver, Colorado Springs, or Grand Junction) before traveling to higher elevations in the mountains.
 
Each year Colorado receives:
• More than 300 inches (762 cm) of snow at the mountain resorts
• 16.5 inches (41.9 cm) of precipitation (8 down low and 23 up high)
• 33 percent humidity
• First snow in September (though it usually snows somewhere in the state every month, except perhaps August)
 
 
Average high/low SUMMER Temperatures (Fahrenheit : Celsius)
 
April
May
June
July
August
September
Aspen
49/20 : 9/-7
61/29 : 16/-2
72/34 : 22/1
79/40 : 26/4
77/39 : 25/4
69/32 : 21/0
Burlington
61/33 : 16/1
71/43 : 22/6
82/54 : 28/12
88/59 : 31/15
85/57 : 29/14
76/48 : 24/9
Denver
61/34 : 16/1
70/43 : 21/6
81/52 : 27/11
88/58 : 31/14
85/56 : 29/13
76/47 : 24/8
Durango
61/26 : 16/-3
71/33 : 22/1
83/41 : 28/5
87/49 : 30/9
84/47 : 29/8
76/39 : 24/3
Steamboat Springs
51/23 : 11/-5
62/31 : 17/-1
72/38 : 22/3
77/45 : 25/7
75/43 : 24/6
68/35 : 20/2
 
 
Average high/low WINTER Temperatures (Fahrenheit : Celsius)
 
October
November
December
January
February
March
Aspen
58/23 : 14/-5
42/13 : 6/-11
33/4 : 1/-16
31/0 : -1/-18
35/2 : 2/-17
40/12 : 4/-11
Burlington
66/36 : 19/2
51/24 : 11/-4
41/15 : 5/-9
40/13 : 4/-11
44/17 : 7/-8
51/23 : 11/-5
Denver
66/36 : 19/2
52/25 : 11/-4
44/17 : 7/-8
43/16 : 6/-9
46/20 : 8/-7
52/25 : 11/-4
Durango
65/29 : 18/-2
51/20 : 11/-7
41/10 : 5/-12
38/6 : 3/-14
44/13 : 7/-11
52/20 : 11/-7
Steamboat Springs
57/26 : 29/-3
42/16 : 6/-9
32/7 : 0/-14
31/5 : -1/-15
35/7 : 2/-14
41/14 : 5/-10

 

Changing Leaves
Colorado is known for its amazing colours during the autumn season. The legendary aspen trees turn the slopes of the Rocky Mountains gold in mid-September and continue until mid-October. Autumn colour at lower elevations reaches its apex in October.

Why the Leaves Turn
An Indian legend holds that celestial hunters turn the leaves yellow by cooking meat over an open fire and splattering fat all over the trees. Western science offers a less colourful explanation: the leaves simply stop producing chlorophyll, the chemical that makes them look green (and that nourishes the tree). Yellow pigment that has been overshadowed all summer by the chlorophyll now emerges from hiding. In other words, the leaves' warm-weather covering wears off to reveal the natural surface underneath; yellow is the leaves' true colour.
 

 

 

 





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