Dinosaur's climate is semiarid with temperatures averaging between 0 (F) to 30 (F) in January and 50 (F) to 100 (F) in July. Elevations within the park vary between 4700 and 9000 feet. Winter snow makes roads at higher elevations impassable while only light to moderate snow is found at lower elevations. Summer thunderstorms often cause heavy downpours and localized flooding, but may fail to dampen parched soils less than a mile away.
National Weather Service forecast for towns near Dinosaur National Monument:
Monthly temperature and precipitation averages from the
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
|
Average High
Temp. (F)
|
31
|
39
|
52
|
63
|
74
|
84
|
91
|
89
|
79
|
65
|
47
|
34
|
|
Average Low
Temp. (F)
|
7
|
12
|
23
|
31
|
40
|
48
|
55
|
52
|
43
|
33
|
21
|
10
|
|
Average Total
Precip. (in.)
|
0.6
|
0.5
|
0.7
|
0.9
|
1.0
|
0.8
|
0.8
|
0.8
|
1.1
|
1.3
|
0.7
|
0.6
|
|
Average Total
Snowfall (in.)
|
7.3
|
5.1
|
3.9
|
2.1
|
0.4
|
0.1
|
0
|
0
|
0.2
|
1.1
|
3.5
|
7.2
|
