This Wind Chill Chart is provided to help determine how cold you will feel on a motorcycle even in warm temperatures with a slight breeze. The wind chill factor is a measure of how fast heat is being removed from your body. For example, if the air temperature is 40 degrees and you are riding at 20 miles per hour, it feels the same as 20 degrees with no speed at all. 
 
Cooling Power of Wind Expressed as "Equivalent Chill Temperature"
Riding Speed MPH
Temperature (degrees F)
50 45 40 35 30 25 20 15 10 5 0
Equivalent Chill Temperature
5 45 40 35 30 25 20 15 10 5 0 -5
10 40 35 30 20 15 10 5 0 -10 -15 -20
15 36 29 25 15 10 0 -5 -10 -20 -25 -30
20 33 27 20 10 5 0 -10 -15 -25 -30 -35
25 30 22 15 10 0 -5 -15 -20 -30 -35 -45
30 29 21 10 5 0 -10 -20 -25 -30 -30 -40
35
28 
20 
10 
-5 
-10 
-20 
-30 
-35 
-35 
-40 
40
27 
19 
10 
-5 
-15 
-20 
-30 
-35 
-35 
-45 
Little Danger Increasing Danger!!! 
(Flesh may freeze within 1 min.)

You can see from the above chart that proper clothing is essential for safety and comfort while cruising down the highway.

(Note: Winds above 40 mph have little additional effect) 

 
                                       
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