Join Date: Apr 2010
Location: coquitlam, BC, Canada.
If you're doing a gruelling hike the shivering could be attributable to a number of factors:
1.sweating a great deal- during the hike- could lead to an electrolyte imbalance(hyponatremia), Which can produce tremor.
2. Delayed response to the cold: physcial exertion produces heat (thermogenesis) which can maintain core temperature, and delay shivering, when you stop your body will compensate to maintain this internal temperature by shivering.
3. Evaporative heat loss due to cold/wet post hike clothing.
I've worked in desert conditions where people, after periods of intense activity became hypothermic in 30 degree weather.
You could try an electrolyte drink during you hiking, and a change of dry clothes immediatly after to see if it helps.
*Hypothermia is a drop of as little as 2 degrees from core temperature, meaning it's possible up to temperature's of 35 celsius to become hypothermic.